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ISL6506, ISL6506A, ISL6506B
Data Sheet May 2, 2005 FN9141.2
Multiple Linear Power Controller with ACPI Control Interface
The ISL6506 complements other power building blocks (voltage regulators) in ACPI-compliant designs for microprocessor and computer applications. The IC integrates the control of the 5VDUAL and 3.3VDUAL rails into an 8 pin EPAD SOIC package. The ISL6506 operating mode (active outputs or sleep outputs) is selectable through two digital control pins, S3# and S5#. A completely integrated linear regulator generates the 3.3VDUAL voltage plane from the ATX supply's 5VSB output during sleep states (S3, S4/S5). In active states (during S0 and S1/S2), the ISL6506 uses an external N-channel pass MOSFET to connect the outputs directly to the 3.3V input supplied by an ATX power supply, for minimal losses. The ISL6506 powers up the 5VDUAL plane by switching in the ATX 5V output through an NMOS transistor in active states, or by switching in the ATX 5VSB through a PMOS (or PNP) transistor in S3 sleep state. In S4/S5 sleep states, the ISL6506 and ISL6506B 5VDUAL output is shut down. In the ISL6506A, the 5VDUAL output stays on during S4/S5 sleep states. Functionally, the ISL6506 and ISL6506B are identical. The ISL6506B, however, features a 2A current limit on the internal 3.3V LDO while the ISL6506 has a 1A current limit. The ISL6506A has a 1A current limit on the internal 3.3V LDO.
Features
* Provides 2 ACPI-Controlled Voltages - 5VDUAL USB/Keyboard/Mouse - 3.3VDUAL/3.3VSB PCI/Auxiliary/LAN * Excellent 3.3VDUAL Regulation in S3/S4/S5 - 2.0% over temperature - 1A Capability on ISL6506 and ISL6506A - 2A Capability on ISL6506B * Small Size; Very Low External Component Count * Over-Temperature Shutdown * Pb-Free Available (RoHS Compliant)
Applications
* ACPI-Compliant Power Regulation for Motherboards - ISL6506, ISL6506B: 5VDUAL is shut down in S4/S5 sleep states - ISL6506A: 5VDUAL stays on in S4/S5 sleep states
Pinout
ISL6506 (SOIC) TOP VIEW
VCC 3V3AUX S3# S5# 1 2 3 4 GND 8 7 6 5 N/C 5VDLSB DLA GND
Ordering Information
PART NUMBER ISL6506CB ISL6506CBZ (Note) ISL6506ACB ISL6506ACBZ (Note) ISL6506BCB ISL6506BCBZ (Note) ISL6506BCBZA (Note) TEMP. RANGE (C) 0 to 70 0 to 70 0 to 70 0 to 70 0 to 70 0 to 70 0 to 70 PACKAGE 8 Ld EPSOIC PKG. DWG. # M8.15C
8 Ld EPSOIC (Pb-free) M8.15C 8 Ld EPSOIC M8.15C
8 Ld EPSOIC (Pb-free) M8.15C 8 Ld EPSOIC M8.15C
8 Ld EPSOIC (Pb-free) M8.15C 8 Ld EPSOIC (Pb-free) M8.15C
*Add "-T" suffix to part number for tape and reel packaging. NOTE: Intersil Pb-free 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. 2004-2005. All Rights Reserved. All other trademarks mentioned are the property of their respective owners.
ISL6506, ISL6506A, ISL6506B Block Diagram
DLA VCC S3# S5#
3.5
12V POR SENSE MONITOR & CONTROL SOFT START
10A
10A
5VDLSB
TEMPERATURE MONITOR
7.5A
DIGITAL ( SOFT START ) UV DETECTOR + -
VCC EA1
3V3AUX GND
Typical Application
5VSBY 12VATX 3V3ATX 5VSBY 5VATX
1k
ISL6506
1 2 SLP_S3 SLP_S5 3 4 VCC 3V3AUX EPAD S3# S5# NC 5VDLSB DLA GND 8 7 6 5 Q1
Cg (OPTIONAL)
5VDUAL
Q2
Q3
9
3V3DUAL
2
ISL6506, ISL6506A, ISL6506B
Absolute Maximum Ratings
Supply Voltage, V5VSB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7.0V DLA . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND - 0.3V to +14.5V All Other Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+ 7.0V ESD Classification (Human Body Model) . . . . . . . . . . . . . . . . . TBD
Thermal Information
Thermal Resistance (Typical)
JA (C/W) JC (C/W)
Recommended Operating Conditions
Supply Voltage, V5VSB . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V 5% Lowest 5VSB Supply Voltage Guaranteeing Parameters . . . . +4.5V Digital Inputs, VSx . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0 to +5.5V Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . 0C to 70C Junction Temperature Range. . . . . . . . . . . . . . . . . . . . 0C to 125C
EPSOIC Package (Notes 1, 2) . . . . . . 40 3.5 Maximum Junction Temperature (Plastic Package) . . . . . . . . 150C Maximum Storage Temperature Range . . . . . . . . . . . -65C to 150C Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300C (SOIC - Lead Tips Only) For Recommended soldering conditions see Tech Brief TB389.
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.
NOTE: 1. JA is measured in free air with the component mounted on a high effective thermal conductivity test board with "direct attach" features. 2. For JC, the "case temp" location is the center of the exposed metal pad on the package underside.
Electrical Specifications
PARAMETER VCC SUPPLY CURRENT Nominal Supply Current
Recommended Operating Conditions, Unless Otherwise Noted SYMBOL TEST CONDITIONS MIN TYP MAX UNITS
I5VSB
VS3# = 5V, VS5# = 5V (S0 State) VS3# = 0V, VS5# = 5V (S3 State) VS5# = 0V (S5 State)
-
3.60 4.60 4.60
-
mA mA mA
POWER-ON RESET Rising 5VSB POR Threshold Falling 5VSB POR Threshold Rising 12V POR Threshold 3.3VAUX LINEAR REGULATOR Regulation 3V3SB Nominal Voltage Level 3V3SB Undervoltage Threshold 3V3SB Over Current Trip V3V3SB V3V3SB_UV I3V3SB_TRIP ISL6506, ISL6506A, By Design ISL6506B, By Design 5VDUAL SWITCH CONTROLLER 5VDLSB Output Drive Current TIMING INTERVAL S0 to S3 Transition Delay SOFT START Soft Start Interval 5VDLSB Soft Start Current Source CONTROL I/O (S3#, S5#) High Level Input Threshold Low Level Input Threshold S3#, S5# Internal Pull Down Current to GND TEMPERATURE MONITOR Shutdown-Level Threshold By Design 140 C 0.8 10 2.2 V V A tSS 6.55 8.2 -7.5 9.85 ms A 58 s I5VDLSB V5VDLSB = 4V, V5VSB = 5V 20 35 mA V5VSBY = 5.0V, I3V3SB = 0A 3.3 2.475 2.0 1 2 % V V A A 1.00k resistor between DLA and 12V Rail 3.60 8.9 9.8 4.5 3.95 10.8 V V V
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ISL6506, ISL6506A, ISL6506B Functional Pin Description
VCC (Pin 1)
Provide a very well decoupled 5V bias supply for the IC to this pin by connecting it to the ATX 5VSB output. This pin provides all the bias for the IC as well as the input voltage for the internal standby 3V3AUX LDO. The voltage at this pin is monitored for power-on reset (POR) purposes. controller/regulator supplying the computer system's 3.3VDUAL power, a dual switch controller supplying the 5VDUAL voltage, as well as all the control and monitoring functions necessary for complete ACPI implementation.
Initialization
The ISL6506 automatically initializes upon receipt of input power. The Power-On Reset (POR) function continually monitors the 5VSB input supply voltage. The ISL6506 also monitors the 12V rail to insure that the ATX rails are up before entering into the S0 state even if both SLP_S3 and SLP_S5 are both high.
GND (Pin 5, Pad)
Signal ground for the IC. These pins are also the ground return for the internal 3V3AUX LDO that is active in S3/S4/S5 sleep states. All voltage levels are measured with respect to these pins.
Dual Outputs Operational Truth Table
Table 1 describes the truth combinations pertaining to the 3.3VDUAL and 5VDUAL outputs. The internal circuitry does not allow the transition from an S4/S5 state to an S3 state.
TABLE 1. 5VDUAL OUTPUT TRUTH TABLE S5 1 1 0 0 0 S3 1 0 1 0 0 3.3V 3.3V 3.3AUX 3.3V 3.3V Note 0V 5V 5VDL 5V 5V COMMENTS S0/S1/S2 States (Active) S3 Maintains Previous State S4/S5 (ISL6506 & 06B) S4/S5 (ISL6506A)
S3# and S5# (Pins 3 and 4)
These pins switch the IC's operating state from active (S0, S1/S2) to S3 and S4/S5 sleep states. These are digital inputs featuring internal 10A pull down current sources on each pin. Additional circuitry blocks illegal state transitions, such as S4/S5 to S3. Connect S3# and S5# to the computer system's SLP_S3 and SLP_S5 signals, respectively.
3V3AUX (Pin 2)
Connect this pin to the 3V3DUAL output. In sleep states, the voltage at this pin is regulated to 3.3V through an internal pass device powered from 5VSBY through the VCC pin. In active states, ATX 3.3V output is delivered to this node through a fully-on NMOS transistor. During S3 and S4/S5 states, this pin is monitored for undervoltage events.
NOTE: Combination Not Allowed.
Functional Timing Diagrams
Figures 1 (ISL6506/B) and 2 (ISL6506A) are simplified timing diagrams, detailing the power up/down sequences of all the outputs in response to the status of the sleep-state pins (S3#, S5#), as well as the status of the input ATX supply. Not shown in these diagrams is the deglitching feature used to protect against false sleep state tripping. Additionally, the ISL6506 features a 60s delay in transitioning from S0 to S3 states. The transition from the S0 state to S4/S5 state is immediate.
DLA (Pin 6)
This pin is an open-drain output. A 1k resistor must be connected from this pin to the ATX 12V output. This resistor is used to pull the gates of suitable N-MOSFETs to 12V, which in active state, switch in the ATX 3.3V and 5V outputs into the 3.3VAUX and 5VDUAL outputs, respectively. This pin is also used to monitor the 12V rail during POR. If a resistor other than 1k is used, the POR level will be affected.
5VDLSB (Pin 7)
Connect this pin to the gate of a suitable P-MOSFET. ISL6506 and ISL6506B: In S3 sleep state, this transistor is switched on, connecting the ATX 5VSB output to the 5VDUAL regulator output. ISL6506A: In S3 and S4/S5 sleep state, this transistor is switched on, connecting the ATX 5VSB output to the 5VDUAL regulator output.
5VSB
S3 S5
3.3V, 5V, 12V DLA 3V3AUX 5VDLSB 5VDL
Description
Operation
The ISL6506 controls 2 output voltages, 3.3VDUAL and 5VDUAL. It is designed for microprocessor computer applications requiring 3.3V, 5V, 5VSB, and 12V bias input from an ATX power supply. The IC is composed of one linear
FIGURE 1. 5VDUAL AND 3.3VAUX TIMING DIAGRAM; ISL6506 and ISL6506B
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ISL6506, ISL6506A, ISL6506B
12VATX (2V/DIV) 5VATX (1V/DIV) 3.3VATX (1V/DIV)
5VSB
S3 S5
5VSB (1V/DIV)
3.3V, 5V, 12V DLA 3V3DL 0V 5VDLSB 5VDL 5VDUAL (1V/DIV)
3.3VDUAL (2V/DIV)
DLA (10V/DIV)
FIGURE 2. 5VDUAL AND 3.3VAUX TIMING DIAGRAM; ISL6506A
T0 T1
T2
T3
T4 T5 TIME
T6
Soft-Start
Figures 3 and 4 show the soft-start sequence for the typical application start-up into a sleep state. At time T0, 5VSB (bias) is applied to the circuit. At time T1, the 5VSB surpasses POR level. Time T2, one soft start interval after T1, denotes the initiation of soft start. The 3.3VDUAL rail is brought up through the internal standby LDO through an internal digital soft start function. Figure 4 shows the 5VDUAL rail initiating a soft start at time T2 as well. The ISL6506A will draw 7.5A into the 5VDLSB for a duration of one soft start period. This current will enhance the P-MOSFET (Q2, refer to Typical Application Schematic) in a controlled manner. At time T3, the 3.3VDUAL is in regulation and the 5VDLSB pin is pulled down to ground. If the 5VDUAL rail has not reached the level of the 5VSB rail by time T3, then the rail will experience a sudden step as the P-MOSFET gate is fully enhanced. The soft start profile of the 5VDUAL may be altered by placing a capacitor between the gate and drain of the P-MOSFET. Adding this capacitor will increase the gate capacitance and slow down the start of the 5VDUAL rail. At time T4, the system has transitioned into S0 state and the ATX supplies have begun to ramp up. With the ISL6506/B (Figure 3), the 5VDUAL rail will begin to ramp up from the 5VATX rail through the body diode of the N-MOSFET (Q3). The ISL6506A will already have the 5VDUAL rail in regulation (Figure 4). At time T5, the 12VATX rail has surpassed the 12V POR level. Time T6 is three soft start cycles after the 12V POR level has been surpassed. At time T6, three events occur simultaneously. The DLA pin is forced to a high impedance state which allows the 12V rail to enhance the two N-MOSFETs (Q1 and Q3) that connect the ATX rails to the 3.3VDUAL and 5VDUAL rails. The 5VDLSB pin is forced to a high impedance state which will turn the P-MOSFET (Q2) off. Finally, the internal LDO which regulates the 3.3VAUX rail in sleep states in put in standby mode.
FIGURE 3. ISL6506 and ISL6506B SOFT-START INTERVAL IN S4/S5 STATE AND S5 TO S0 TRANSITION
5VSB (1V/DIV)
5VDUAL (1V/DIV) 3.3VDUAL (2V/DIV)
12VATX (2V/DIV) 5VATX (1V/DIV) 3.3VATX (1V/DIV) 0V
5VDLSB (5V/DIV)
DLA (10V/DIV) T3 T4 T5 TIME T6
T0 T1
T2
FIGURE 4. SOFT START INTERVAL FOR ISL6506A IN S4/S5 AND S5 TO S0 TRANSITION FOR ISL6506A AND S3 TO S0 TRANSITION FOR ISL6506/A/B
Sleep to Wake State Transitions
Figures 3 and 4, starting at time T4, depict the transitions from sleep states to the S0 wake state. Figure 3 shows the transition of the ISL6506/B from the S4/S5 state to the S0 state. Figure 4 shows how the ISL6506/B will transition from the S3 sleep state into S0 state. Figure 3 also shows how the ISL6506A transitions from either S3 or S4/S5 in the S0 state. For all transitions, T4 depicts the system transition into the S0 state. Here, the ATX supplies are enabled and begin to ramp up. At time T5, the 12VATX rail has exceeded the POR threshold for the ISL6506/B and ISL6506A. Three soft start periods after time T5, at time T6, three events occur
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ISL6506, ISL6506A, ISL6506B
simultaneously. The DLA pin is forced to a high impedance state which allows the 12V rail to enhance the two NMOSFETs (Q1 and Q3) that connect the ATX rails to the 3.3VDUAL and 5VDUAL rails. The 5VDLSB pin is forced to a high impedance state which will turn the P-MOSFET (Q2) off. Finally, the internal LDO which regulates the 3.3VDUAL rail in sleep states is put in standby mode. electrolytics or tantalum capacitors) placement is not as critical as the high-frequency capacitor placement, having these capacitors close to the load they serve is preferable. Locate all small signal components close to the respective pins of the control IC, and connect them to ground, if applicable, through a via placed close to the ground pad.
12VATX 5VSB CIN Q3 5VDLSB 5VDUAL
Internal Linear Regulator Undervoltage Protection
The undervoltage protection on the internal linear regulator is only active during sleep states and after the initial soft start ramp of the 3.3V linear regulator. The undervoltage trip point is set at 25% below nominal, or 2.475V. When an undervoltage is detected, the 3.3V linear regulator is disabled. One soft start interval later, the 3.3V linear regulator is retried with a soft start ramp. If the linear regulator is retried 3 times and a fourth undervoltage is detected, then the 3.3V linear regulator is disabled and can only be reset through a POR reset.
VCC C5VSB +3.3VIN
ISL6506/A/B
Q2 DLA 3V3DUAL CHF3V C3V GND EPAD 3V3AUX
CHF5V
Q4 5VATX
Internal Linear Regulator Over Current Protection
When an overcurrent condition is detected, the gate voltage to the internal NMOS pass element is reduced which causes the output voltage of the linear regulator to be reduced. When the output voltage is reduced to the undervoltage trip point, the undervoltage protection is initiated and the output will shutdown.
LOAD
KEY ISLAND ON POWER PLANE LAYER ISLAND ON CIRCUIT/POWER PLANE LAYER VIA CONNECTION TO GROUND PLANE
Layout Considerations
The typical application employing an ISL6506 is a fairly straight forward implementation. Like with any other linear regulator, attention has to be paid to the few potentially sensitive small signal components, such as those connected to sensitive nodes or those supplying critical bypass current. The power components (pass transistors) and the controller IC should be placed first. The controller should be placed in a central position on the motherboard, not excessively far from the 3.3VDUAL island or the I/O circuitry. Ensure the 3V3AUX connection is properly sized to carry 1A without exhibiting significant resistive losses at the load end. Similarly, the input bias supply (5VSB) carries a similar level of current - for best results, ensure it is connected to its respective source through an adequately sized trace and is properly decoupled. The pass transistors should be placed on pads capable of heatsinking matching the device's power dissipation. Where applicable, multiple via connections to a large internal plane can significantly lower localized device temperature rise. Placement of the decoupling and bulk capacitors should reflect their purpose. As such, the high-frequency decoupling capacitors should be placed as close as possible to the load they are decoupling; the ones decoupling the controller close to the controller pins, the ones decoupling the load close to the load connector or the load itself (if embedded). Even though bulk capacitance (aluminum 6
FIGURE 5. PRINTED CIRCUIT BOARD ISLANDS
A multi-layer printed circuit board is recommended. Figure 5 shows the connections to most of the components in the circuit. Note that the individual capacitors shown each could represent numerous physical capacitors. Dedicate one solid layer for a ground plane and make all critical component ground connections through vias placed as close to the component terminal as possible. The EPAD should be tied to the ground plane with three to five vias for good thermal management. Dedicate another solid layer as a power plane and break this plane into smaller islands of common voltage levels. Ideally, the power plane should support both the input power and output power nodes. Use copper filled polygons on the top and bottom circuit layers to create power islands connecting the filtering components (output capacitors) and the loads. Use the remaining printed circuit layers for small signal wiring.
LOAD
C5V
ISL6506, ISL6506A, ISL6506B Component Selection Guidelines
Output Capacitors Selection
The output capacitors should be selected to allow the output voltage to meet the dynamic regulation requirements of active state operation (S0/S1). The load transient for the various microprocessor system's components may require high quality capacitors to supply the high slew rate (di/dt) current demands. Thus, it is recommended that the output capacitors be selected for transient load regulation, paying attention to their parasitic components (ESR, ESL). Also, during the transition between active and sleep states on the 5VDUAL output, there is a short interval of time during which none of the power pass elements are conducting. During this time the output capacitors have to supply all the output current. The output voltage drop during this brief period of time can be easily approximated with the following formula:
tt V OUT = I OUT x ESR OUT + --------------- , where C OUT
Transistor Selection/Considerations
The ISL6506/A usually requires one P-Channel and two NChannel MOSFETs. All three of these MOSFETs are utilized as ON/OFF switching elements. One important criteria for selection of transistors for all the switching elements is package selection for efficient removal of heat. The power dissipated in a switch element while on is
P LOSS = I o x r DS ( on )
2
Select a package and heatsink that maintains the junction temperature below the rating with the maximum expected ambient temperature.
Q1, Q3
These N-Channel MOSFETs are used to switch the 3.3V and 5V inputs provided by the ATX supply into the 3.3VAUX and 5VDUAL outputs while in active (S0, S1) state. The main criteria for the selection of these transistors is output voltage budgeting. The maximum rDS(ON) allowed at highest junction temperature can be expressed with the following equation:
V INmin - V OUTmin r DS ( ON )max = -------------------------------------------------- , where I OUTmax
VOUT = output voltage drop ESROUT = output capacitor bank ESR IOUT = output current during transition COUT = output capacitor bank capacitance tt = active-to-sleep/sleep-to-active transition time (10s typ.) The output voltage drop is heavily dependent on the ESR (equivalent series resistance) of the output capacitor bank, the choice of capacitors should be such as to maintain the output voltage above the lowest allowable regulation level.
VINmin = minimum input voltage VOUTmin = minimum output voltage allowed IOUTmax = maximum output current
Q2
This is a P-Channel MOSFET used to switch the 5VSB output of the ATX supply into the 5VDUAL output during sleep states. The selection criteria of this device, as with the N-Channel MOSFETs, is proper voltage budgeting. The maximum rDS(ON) , however, has to be achieved with only 4.5V of gate-to-source voltage, so a true logic level MOSFET needs to be selected.
Input Capacitors Selection
The input capacitors for an ISL6506/A application must have a sufficiently low ESR so as not to allow the input voltage to dip excessively when energy is transferred to the output capacitors. If the ATX supply does not meet the specifications, certain imbalances between the ATX's outputs and the ISL6506/A's regulation levels could have as a result a brisk transfer of energy from the input capacitors to the supplied outputs. At the transition between active and sleep states, such phenomena could be responsible for the 5VSB voltage drooping excessively and affecting the output regulation. The solution to such a potential problem is using larger input capacitors with a lower total combined ESR.
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ISL6506, ISL6506A, ISL6506B Small Outline Exposed Pad Plastic Packages (EPSOIC)
N INDEX AREA E -B1 2 3 H 0.25(0.010) M BM
M8.15C
8 LEAD NARROW BODY SMALL OUTLINE EXPOSED PAD PLASTIC PACKAGE INCHES SYMBOL A A1
TOP VIEW
MILLIMETERS MIN 1.43 0.03 0.35 0.19 4.80 3.811 MAX 1.68 0.13 0.49 0.25 4.98 3.99 NOTES 9 3 4 5 6 7 8o 3.200 2.514 11 11 Rev. 0 11/03
MIN 0.056 0.001 0.0138 0.0075 0.189 0.150
MAX 0.066 0.005 0.0192 0.0098 0.196 0.157
B C
L SEATING PLANE
D E
h x 45o
-A-
D -C-
A
e H
0.050 BSC 0.230 0.010 0.016 8 0o 8o 0.126 0.099 0.244 0.016 0.035
1.27 BSC 5.84 0.25 0.41 8 0o 6.20 0.41 0.89

A1 0.10(0.004) C
h L N
e
B 0.25(0.010) M SIDE VIEW C AM BS
P P1
NOTES:
1 2 3
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.
P1
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. 11. Dimensions "P" and "P1" are thermal and/or electrical enhanced variations. Values shown are maximum size of exposed pad within lead count and body size.
N P BOTTOM VIEW
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