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ISL6207
Data Sheet July 25, 2005 FN9075.7
High Voltage Synchronous Rectified Buck MOSFET Driver
The ISL6207 is a high frequency, dual MOSFET driver, optimized to drive two N-Channel power MOSFETs in a synchronous-rectified buck converter topology in mobile computing applications. This driver, combined with an Intersil Multi-Phase Buck PWM controller, such as ISL6223, ISL6215, and ISL6216, forms a complete single-stage core-voltage regulator solution for advanced mobile microprocessors. The ISL6207 features 4A typical sink current for the lower gate driver. The 4A typical sink current is capable of holding the lower MOSFET gate during the Phase node rising edge to prevent the shoot-through power loss caused by the high dv/dt of the Phase node. The operation voltage matches the 30V breakdown voltage of the MOSFETs commonly used in mobile computer power supplies. The ISL6207 also features a three-state PWM input that, working together with most of Intersil multiphase PWM controllers, will prevent a negative transient on the output voltage when the output is being shut down. This feature eliminates the Schottky diode, that is usually seen in a microprocessor power system for protecting the microprocessor, from reversed-output-voltage damage. The ISL6207 has the capacity to efficiently switch power MOSFETs at frequencies up to 2MHz. Each driver is capable of driving a 3000pF load with a 15ns propagation delay and less than a 10ns transition time. This product implements bootstrapping on the upper gate with an internal bootstrap Schottky diode, reducing implementation cost, complexity, and allowing the use of higher performance, cost effective N-Channel MOSFETs. Adaptive shoot-through protection is integrated to prevent both MOSFETs from conducting simultaneously.
Features
* Drives Two N-Channel MOSFETs * Adaptive Shoot-Through Protection * 30V Operation Voltage * 0.4 On-Resistance and 4A Sink Current Capability * Supports High Switching Frequency - Fast Output Rise Time - Short Propagation Delays * Three-State PWM Input for Power Stage Shutdown * Internal Bootstrap Schottky Diode * QFN Package: - Compliant to JEDEC PUB95 MO-220 QFN - Quad Flat No Leads - Package Outline - Near Chip Scale Package footprint, which improves PCB efficiency and has a thinner profile * Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
* Core Voltage Supplies for Intel and AMD(R) Mobile Microprocessors * High Frequency Low Profile DC-DC Converters * High Current Low Output Voltage DC-DC Converters * High Input Voltage DC-DC Converters
Related Literature
* Technical Brief TB363 "Guidelines for Handling and Processing Moisture Sensitive Surface Mount Devices (SMDs)" * Technical Brief TB389 "PCB Land Pattern Design and Surface Mount Guidelines for QFN Packages"
Ordering Information
PART # ISL6207CB ISL6207CBZ (Note) ISL6207CBZA (Note) ISL6207CR ISL6207CRZ (Note) ISL6207CRZA (Note) ISL6207HBZ (Note) ISL6207HRZ (Note) TEMP. RANGE (C) -10 to 85 -10 to 85 -10 to 85 -10 to 85 -10 to 85 -10 to 85 -10 to 100 -10 to 100 PACKAGE 8 Lead SOIC 8 Lead SOIC (Pb-free) 8 Lead SOIC (Pb-free) 8 Lead 3x3 QFN PKG. DWG. # M8.15 M8.15 M8.15 L8.3x3
Pinouts
ISL6207 (SOIC-8) TOP VIEW
UGATE 1 BOOT 2 PWM 3 GND 4 8 PHASE 7 EN 6 VCC 5 LGATE BOOT 1 PWM 2 3 GND 4 LGATE 6 EN 6 5 VCC
ISL6207 (QFN) TOP VIEW
PHASE 7 UGATE 8
8 Lead 3x3 QFN (Pb-free) L8.3x3 8 Lead 3x3 QFN (Pb-free) L8.3x3 8 Ld SOIC (Pb-free) 8 Ld 3x3 QFN (Pb-free) M8.15 L8.3x3
Add "-T" suffix for tape and reel. NOTE: Intersil Pb-free plus anneal products employ special Pb-free material sets; molding compounds/die attach materials and 100% matte tin plate termination finish, which are RoHS compliant and compatible with both SnPb and Pb-free soldering operations. Intersil Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
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CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. 1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc. Copyright (c) Intersil Americas Inc. 2003-2005. All Rights Reserved. All other trademarks mentioned are the property of their respective owners. Intel(R) is a registered trademark of Intel Corporation. AMD(R) is a registered trademark of Advanced Micro Devices, Inc.
ISL6207 ISL6207 Block Diagram
VCC EN VCC 10K PWM 10K CONTROL LOGIC SHOOTTHROUGH PROTECTION VCC
BOOT UGATE PHASE
LGATE GND
THERMAL PAD (FOR QFN PACKAGE ONLY)
Typical Application - Two Phase Converter Using ISL6207 Gate Drivers
VBAT +5V +5V +5V VCC FB VCC VSEN PGOOD PWM1 PWM2 COMP EN PWM DRIVE ISL6207 BOOT UGATE PHASE LGATE +VCORE
MAIN CONTROL VID ISEN1 ISEN2 +5V VBAT
VCC FS DACOUT GND EN PWM DRIVE ISL6207
BOOT UGATE PHASE LGATE
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ISL6207
Absolute Maximum Ratings
Supply Voltage (VCC) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 7V Input Voltage (VEN, VPWM) . . . . . . . . . . . . . . . -0.3V to VCC + 0.3V BOOT Voltage (VBOOT). . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 36V BOOT to PHASE Voltage (VBOOT-PHASE) . . . . . . . . . . . -0.3V to 7V PHASE Voltage . . . . . . . . . . . . . GND - 0.3V (DC) to VBOOT + 0.3V . . . . . . . . . GND - 5V (<100ns Pulse Width, 10J) to VBOOT + 0.3V UGATE Voltage . . . . . . . . . . VPHASE - 0.3V (DC) to VBOOT + 0.3V . . . . . . .VPHASE - 4V (<200ns Pulse Width, 20J) to VBOOT + 0.3V LGATE Voltage . . . . . . . . . . . . . . GND - 0.3V (DC) to VVCC + 0.3V . . . . . . . . . . . GND - 2V (<100ns Pulse Width, 4J) to VVCC + 0.3V Ambient Temperature Range . . . . . . . . . . . . . . . . . . .-40C to 125C
Thermal Information
Thermal Resistance (Typical) JA (C/W) JC (C/W) SOIC Package (Note 2) . . . . . . . . . . . . 110 N/A QFN Package (Notes 3, 4). . . . . . . . . . 95 36 Maximum Junction Temperature (Plastic Package) . . . . . . . . 150C Maximum Storage Temperature Range . . . . . . . . . . . -65C to 150C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300C (SOIC - Lead Tips Only)
Recommended Operating Conditions
Ambient Temperature Range . . . . . . . . . . . . . . . . . . .-10C to 100C Maximum Operating Junction Temperature . . . . . . . . . . . . . . 125C Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5V 10%
CAUTION: Stresses above those listed in "Absolute Maximum Ratings" may cause permanent damage to the device. This is a stress only rating and operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES: 1. The Phase Voltage is capable of withstanding -7V when the BOOT pin is at GND. 2. JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details. 3. JA is measured in free air with the component mounted on a high effective thermal conductivity test board with "direct attach" features. See Tech Brief TB379. 4. For JC, the "case temp" location is the center of the exposed metal pad on the package underside.
Electrical Specifications
PARAMETER VCC SUPPLY CURRENT Bias Supply Current Bias Supply Current BOOTSTRAP DIODE Forward Voltage PWM INPUT Input Current
Recommended Operating Conditions, Unless Otherwise Noted. SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
IVCC IVCC
EN = LOW PWM pin floating, VVCC = 5V
-
30
5.0 -
A A
VF
VVCC = 5V, forward bias current = 2mA
0.45
0.60
0.65
V
IPWM
VPWM = 5V VPWM = 0V
3.3 -
250 -250 300
1.7 -
A A V V ns
PWM Three-State Rising Threshold PWM Three-State Falling Threshold Three-State Shutdown Holdoff Time EN INPUT EN LOW Threshold EN HIGH Threshold SWITCHING TIME UGATE Rise Time (Note 5) LGATE Rise Time (Note 5) UGATE Fall Time (Note 5) LGATE Fall Time (Note 5) UGATE Turn-Off Propagation Delay LGATE Turn-Off Propagation Delay tRUGATE tRLGATE tFUGATE tFLGATE tPDLUGATE tPDLLGATE
VVCC = 5V VVCC = 5V VVCC = 5V, temperature = 25C
1.0 -
-
2.0
V V
VVCC = 5V, 3nF Load VVCC = 5V, 3nF Load VVCC = 5V, 3nF Load VVCC = 5V, 3nF Load VVCC = 5V, Outputs Unloaded VVCC = 5V, Outputs Unloaded
-
8 8 8 4 18 15
-
ns ns ns ns ns ns
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ISL6207
Electrical Specifications
PARAMETER UGATE Turn-On Propagation Delay LGATE Turn-On Propagation Delay OUTPUT Upper Drive Source Resistance RUGATE 500mA Source Current -10C to 85C Upper Driver Source Current (Note 5) Upper Drive Sink Resistance IUGATE RUGATE VUGATE-PHASE = 2.5V 500mA Sink Current -10C to 85C Upper Driver Sink Current (Note 5) Lower Drive Source Resistance IUGATE RLGATE VUGATE-PHASE = 2.5V 500mA Source Current -10C to 85C Lower Driver Source Current (Note 5) Lower Drive Sink Resistance ILGATE RLGATE VLGATE = 2.5V 500mA Sink Current -10C to 85C Lower Driver Sink Current (Note 5) NOTE: 5. Guaranteed by characterization, not 100% tested in production. ILGATE VLGATE = 2.5V 1.0 1.0 2.0 1.0 1.0 2.0 1.0 1.0 2.0 0.4 0.4 4.0 2.5 2.2 2.5 2.2 2.5 2.2 1.0 0.8 A A A A Recommended Operating Conditions, Unless Otherwise Noted. (Continued) SYMBOL tPDHUGATE tPDHLGATE TEST CONDITIONS VVCC = 5V, Outputs Unloaded VVCC = 5V, Outputs Unloaded MIN 10 10 TYP 20 20 MAX 30 30 UNITS ns ns
Functional Pin Description
UGATE (Pin 1 for SOIC-8, Pin 8 for QFN)
The UGATE pin is the upper gate drive output. Connect to the gate of high-side power N-Channel MOSFET.
VCC (Pin 6 for SOIC-8, Pin 5 for QFN)
Connect the VCC pin to a +5V bias supply. Place a high quality bypass capacitor from this pin to GND.
EN (Pin 7 for SOIC-8, Pin 6 for QFN)
EN is the enable input pin. Connect this pin to HIGH to enable, and LOW to disable, the IC. When disabled, the IC draws less than 1A bias current.
BOOT (Pin 2 for SOIC-8, Pin 1 for QFN)
BOOT is the floating bootstrap supply pin for the upper gate drive. Connect the bootstrap capacitor between this pin and the PHASE pin. The bootstrap capacitor provides the charge to turn on the upper MOSFET. See the Bootstrap Diode and Capacitor section under DESCRIPTION for guidance in choosing the appropriate capacitor value.
PHASE (Pin 8 for SOIC-8, Pin 7 for QFN)
Connect the PHASE pin to the source of the upper MOSFET and the drain of the lower MOSFET. This pin provides a return path for the upper gate driver.
PWM (Pin 3 for SOIC-8, Pin 2 for QFN)
The PWM signal is the control input for the driver. The PWM signal can enter three distinct states during operation, see the three-state PWM Input section under DESCRIPTION for further details. Connect this pin to the PWM output of the controller. In addition, place a 500k resistor to ground from this pin. This allows for proper three-state operation under all start-up conditions.
Description
Operation
Designed for speed, the ISL6207 dual MOSFET driver controls both high-side and low-side N-Channel FETs from one externally provided PWM signal. A rising edge on PWM initiates the turn-off of the lower MOSFET (see Timing Diagram). After a short propagation delay [tPDLLGATE], the lower gate begins to fall. Typical fall times [tFLGATE] are provided in the Electrical Specifications section. Adaptive shoot-through circuitry monitors the LGATE voltage and determines the upper gate delay time [tPDHUGATE], based on how quickly the LGATE voltage drops below 1V. This prevents both the lower and upper MOSFETs from conducting simultaneously, or shoot-through. Once this delay period is completed, the upper gate drive begins to rise [tRUGATE], and the upper MOSFET turns on.
FN9075.7 July 25, 2005
GND (Pin 4 for SOIC-8, Pin 3 for QFN)
GND is the ground pin. All signals are referenced to this node.
LGATE (Pin 5 for SOIC-8, Pin 4 for QFN)
LGATE is the lower gate drive output. Connect to gate of the low-side power N-Channel MOSFET.
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ISL6207
PWM
tPDHUGATE tPDLUGATE tRUGATE tFUGATE 1V
UGATE
LGATE 1V
tFLGATE tPDLLGATE tPDHLGATE
tRLGATE
FIGURE 1. TIMING DIAGRAM
A falling transition on PWM indicates the turn-off of the upper MOSFET and the turn-on of the lower MOSFET. A short propagation delay [tPDLUGATE] is encountered before the upper gate begins to fall [tFUGATE]. Again, the adaptive shootthrough circuitry determines the lower gate delay time tPDHLGATE. The upper MOSFET gate-to-source voltage is monitored, and the lower gate is allowed to rise, after the upper MOSFET gate-to-source voltage drops below 1V. The lower gate then rises [tRLGATE], turning on the lower MOSFET. This driver is optimized for converters with large step down ratio, such as those used in a mobile-computer core voltage regulator. The lower MOSFET is usually sized much larger. This driver is optimized for converters with large step down compared to the upper MOSFET because the lower MOSFET conducts for a much longer time in a switching period. The lower gate driver is therefore sized much larger to meet this application requirement. The 0.4 on-resistance and 4A sink current capability enable the lower gate driver to absorb the current injected to the lower gate through the drain-to-gate capacitor of the lower MOSFET and prevent a shoot through caused by the high dv/dt of the phase node.
leaves PWM in a high impedance (undetermined) state; therefore, a 500k resistor must be place from the PWM pin to GND.
Adaptive Shoot-Through Protection
Both drivers incorporate adaptive shoot-through protection to prevent upper and lower MOSFETs from conducting simultaneously and shorting the input supply. This is accomplished by ensuring the falling gate has turned off one MOSFET before the other is allowed to turn on. During turn-off of the lower MOSFET, the LGATE voltage is monitored until it reaches a 1V threshold, at which time the UGATE is released to rise. Adaptive shoot-through circuitry monitors the upper MOSFET gate-to-source voltage during UGATE turn-off. Once the upper MOSFET gate-to-source voltage has dropped below a threshold of 1V, the LGATE is allowed to rise.
Internal Bootstrap Diode
This driver features an internal bootstrap Schottky diode. Simply adding an external capacitor across the BOOT and PHASE pins completes the bootstrap circuit. The bootstrap capacitor must have a maximum voltage rating above the maximum battery voltage plus 5V. The bootstrap capacitor can be chosen from the following equation:
Q GATE C BOOT ----------------------V BOOT
Three-State PWM Input
A unique feature of the ISL6207 and other Intersil drivers is the addition of a shutdown window to the PWM input. If the PWM signal enters and remains within the shutdown window for a set holdoff time, the output drivers are disabled and both MOSFET gates are pulled and held low. The shutdown state is removed when the PWM signal moves outside the shutdown window. Otherwise, the PWM rising and falling thresholds outlined in the ELECTRICAL SPECIFICATIONS determine when the lower and upper gates are enabled. During start-up, PWM should be in the three-state position (1/2 VCC). However, with rising VCC, the active tracking elements for PWM are not active until VCC > 1.2V, which
where QGATE is the amount of gate charge required to fully charge the gate of the upper MOSFET. The VBOOT term is defined as the allowable droop in the rail of the upper drive. As an example, suppose an upper MOSFET has a gate charge, QGATE , of 25nC at 5V and also assume the droop in the drive voltage over a PWM cycle is 200mV. One will find that a bootstrap capacitance of at least 0.125F is required.
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ISL6207
The next larger standard value capacitance is 0.22F. A good quality ceramic capacitor is recommended.
2.0 1.8 1.6 1.4 CBOOT (F) 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0.0 20nC 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 QGATE = 100nC 50nC POWER (mW) 1000 900 800 700 600 500 400 300 200 100 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 FREQUENCY (kHz)
QU=100nC QL=200nC
QU=50nC QL=100nC
QU=50nC QL=50nC
QU=20nC QL=50nC
VBOOT(V)
FIGURE 3. POWER DISSIPATION vs FREQUENCY
FIGURE 2. BOOTSTRAP CAPACITANCE vs BOOT RIPPLE VOLTAGE
Layout Considerations
Reducing Phase Ring
The parasitic inductances of the PCB and the power devices (both upper and lower FETs) could cause serious ringing, exceeding absolute maximum rating of the devices. The negative ringing at the edges of the PHASE node could add charges to the bootstrap capacitor through the internal bootstrap diode, in some cases, it could cause over stress across BOOT and PHASE pins. Therefore, user should do a careful layout and select proper MOSFETs and drivers. The D2PAK and DPAK package MOSFETs have high parasitic lead inductance, which can exacerbate this issue. FET selection plays an important role in reducing PHASE ring. If higher inductance FETs must be used, a Schottky diode is recommended across the lower MOSFET to clamp negative PHASE ring. A good layout would help reduce the ringing on the phase and gate nodes significantly: * Avoid uses via for decoupling components across BOOT and PHASE pins and in between VCC and GND pins. The decoupling loop should be short. * All power traces (UGATE, PHASE, LGATE, GND, VCC) should be short and wide, and avoid using via; otherwise, use two vias for interconnection when possible. * Keep SOURCE of upper FET and DRAIN of lower FET as close as thermally possible. * Keep connection in between SOURCE of lower FET and power ground wide and short. * Input capacitors should be placed as close to the DRAIN of upper FET and SOURCE of lower FETs as thermally possible. Note: Refer to Intersil Tech Brief TB447 for more information.
Power Dissipation
Package power dissipation is mainly a function of the switching frequency and total gate charge of the selected MOSFETs. Calculating the power dissipation in the driver for a desired application is critical to ensuring safe operation. Exceeding the maximum allowable power dissipation level will push the IC beyond the maximum recommended operating junction temperature of 125C. The maximum allowable IC power dissipation for the SO-8 package is approximately 800mW. When designing the driver into an application, it is recommended that the following calculation be performed to ensure safe operation at the desired frequency for the selected MOSFETs. The power dissipated by the driver is approximated as:
P = f sw ( 1.5V U Q + V L Q ) + I DDQ V U L CC
where fsw is the switching frequency of the PWM signal. VU and VL represent the upper and lower gate rail voltage. QU and QL is the upper and lower gate charge determined by MOSFET selection and any external capacitance added to the gate pins. The IDDQ VCC product is the quiescent power of the driver and is typically negligible.
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ISL6207
Thermal Management
For maximum thermal performance in high current, high switching frequency applications, connecting the thermal pad of the QFN part to the power ground with a via, or placing a low noise copper plane underneath the SOIC part is recommended. This heat spreading allows the part to achieve its full thermal potential.
Suppressing MOSFET Gate Leakage
With VCC at ground potential, UGATE and LGATE are high impedance. In this state, any stray leakage has the potential to deliver charge to either gate. If UGATE receives sufficient charge to bias the device on (Note: Internal circuitry prevents leakage currents from charging above 1.8V), a low impedance path will be connected between the MOSFET drain and PHASE. If the input power supply is present and active, the system could see potentially damaging currents. Worst-case leakage currents are on the order of pico-amps; therefore, a 10k resistor, connected from UGATE to PHASE, is more than sufficient to bleed off any stray leakage current. This resistor will not affect the normal performance of the driver or reduce its efficiency.
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FN9075.7 July 25, 2005
ISL6207 Quad Flat No-Lead Plastic Package (QFN) Micro Lead Frame Plastic Package (MLFP)
L8.3x3
8 LEAD QUAD FLAT NO-LEAD PLASTIC PACKAGE (COMPLIANT TO JEDEC MO-220VEEC ISSUE C) MILLIMETERS SYMBOL A A1 A2 A3 b D D1 D2 E E1 E2 e k L L1 N Nd Ne P 0.25 0.35 0.60 8 2 2 0.60 12 0.25 0.25 0.23 MIN 0.80 NOMINAL 0.90 0.20 REF 0.28 3.00 BSC 2.75 BSC 1.10 3.00 BSC 2.75 BSC 1.10 0.65 BSC 0.75 0.15 1.25 1.25 0.38 MAX 1.00 0.05 1.00 NOTES 9 9 5, 8 9 7, 8 9 7, 8 8 10 2 3 3 9 9 Rev. 1 10/02 NOTES: Intersil Lead Free products employ special lead free material sets; molding compounds / die attach materials and 100% matte tin plate termination finish, which is compatible with both SnPb and lead free soldering operations. Intersil Lead Free products are MSL classified at lead free peak reflow temperatures that meet or exceed the lead free requirements of IPC/JEDEC J Std-020B. 1. Dimensioning and tolerancing conform to ASME Y14.5-1994. 2. N is the number of terminals. 3. Nd and Ne refer to the number of terminals on each D and E. 4. All dimensions are in millimeters. Angles are in degrees. 5. Dimension b applies to the metallized terminal and is measured between 0.15mm and 0.30mm from the terminal tip. 6. The configuration of the pin #1 identifier is optional, but must be located within the zone indicated. The pin #1 identifier may be either a mold or mark feature. 7. Dimensions D2 and E2 are for the exposed pads which provide improved electrical and thermal performance. 8. Nominal dimensions are provided to assist with PCB Land Pattern Design efforts, see Intersil Technical Brief TB389. 9. Features and dimensions A2, A3, D1, E1, P & are present when Anvil singulation method is used and not present for saw singulation. 10. Depending on the method of lead termination at the edge of the package, a maximum 0.15mm pull back (L1) maybe present. L minus L1 to be equal to or greater than 0.3mm.
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FN9075.7 July 25, 2005
ISL6207 Small Outline Plastic Packages (SOIC)
N INDEX AREA H E -B1 2 3 SEATING PLANE -AD -CA h x 45 0.25(0.010) M BM
M8.15 (JEDEC MS-012-AA ISSUE C)
8 LEAD NARROW BODY SMALL OUTLINE PLASTIC PACKAGE INCHES SYMBOL A
L
MILLIMETERS MIN 1.35 0.10 0.33 0.19 4.80 3.80 MAX 1.75 0.25 0.51 0.25 5.00 4.00 NOTES 9 3 4 5 6 7 8 Rev. 1 6/05
MIN 0.0532 0.0040 0.013 0.0075 0.1890 0.1497
MAX 0.0688 0.0098 0.020 0.0098 0.1968 0.1574
A1 B C D E
A1 0.10(0.004) C
e H h L N
0.050 BSC 0.2284 0.0099 0.016 8 0 8 0.2440 0.0196 0.050
1.27 BSC 5.80 0.25 0.40 8 0 6.20 0.50 1.27
e
B 0.25(0.010) M C AM BS
NOTES: 1. Symbols are defined in the "MO Series Symbol List" in Section 2.2 of Publication Number 95. 2. Dimensioning and tolerancing per ANSI Y14.5M-1982. 3. Dimension "D" does not include mold flash, protrusions or gate burrs. Mold flash, protrusion and gate burrs shall not exceed 0.15mm (0.006 inch) per side. 4. Dimension "E" does not include interlead flash or protrusions. Interlead flash and protrusions shall not exceed 0.25mm (0.010 inch) per side. 5. The chamfer on the body is optional. If it is not present, a visual index feature must be located within the crosshatched area. 6. "L" is the length of terminal for soldering to a substrate. 7. "N" is the number of terminal positions. 8. Terminal numbers are shown for reference only. 9. The lead width "B", as measured 0.36mm (0.014 inch) or greater above the seating plane, shall not exceed a maximum value of 0.61mm (0.024 inch). 10. Controlling dimension: MILLIMETER. Converted inch dimensions are not necessarily exact.
All Intersil U.S. products are manufactured, assembled and tested utilizing ISO9000 quality systems. Intersil Corporation's quality certifications can be viewed at www.intersil.com/design/quality
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of Intersil or its subsidiaries.
For information regarding Intersil Corporation and its products, see www.intersil.com 9
FN9075.7 July 25, 2005

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