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KA5x0165Rxx-SERIES
KA5H0165R/RN, KA5M0165R/RN/RI, KA5L0165R/ RN/RI/KA5H0165RV/RVN, KA5M0165RV/RVN, KA5L0165RV/RVN Fairchild Power Switch(FPS)
Features
* * * * * * * * Precision fixed operating frequency (100 / 67 / 50KHz ) Pulse by pulse current limiting Over current protection Over voltage protection (Min. 25V) -KA5x0165R/RN/RI Internal thermal shutdown function Under voltage lockout Internal high voltage sense FET Auto-restart mode
Description
The Fairchild Power Switch(FPS) product family is specially designed for an off-line SMPS with minimal external components. The Fairchild Power Switch(FPS) consist of high voltage power SenseFET and current mode PWM IC. Included PWM controller features integrated fixed oscillator, under voltage lock out, leading edge blanking, optimized gate turn-on/ turn-off driver, thermal shut down protection, over voltage protection, and temperature compensated precision current sources for loop compensation and fault protection circuitry. compared to discrete MOSFET and controller or RCC switching converter solution, aFairchild Power Switch(FPS) can reduce total component count, design size, weight and at the same time increase efficiency, productivity, and system reliability. It has a basic platform well suited for cost-effective design in either a flyback converter or a forward converter.
TO-220F-4L 8-DIP I2-PAK-5L
1 1 1. GND 2. Drain 3. Vcc 4. FB 1.6.7.8. Drain 2. GND 3. Vcc 4. FB 5. NC 1 1. GND 2. Drain 3. Vcc 4. FB 5. S/S
Internal Block Diagram
VCC 32V 5V Vref Good logic Soft Start
uA
Internal bias
DRAIN SFET
5V
OSC S R Q - 5A 1mA 2.5R 1R 9V + 7.5V - + 27V - Thermal S/D OVER VOLTAGE S/D +
FB
L.E.B 0.1V S R Q GND
Power on reset
Rev.1.0.2
(c)2001 Fairchild Semiconductor Corporation
KA5X0165RXX-SERIES
Absolute Maximum Ratings
(Ta=25C, unless otherwise specified) Characteristic Maximum Drain Voltage Drain-Gate Voltage (RGS=1M) Gate-Source (GND) Voltage Drain Current Pulsed (1) Continuous Drain Current (TC=25C) Continuous Drain Current (TC=100C) Single Pulsed Avalanche Energy (2) Maximum Supply Voltage Analog Input Voltage Range Total Power Dissipation Operating Junction Temperature. Operating Ambient Temperature. Storage Temperature Range. Symbol VD,MAX VDGR VGS IDM ID ID EAS VCC,MAX VFB PD Derating TJ TA TSTG Value 650 650 30 4.0 1.0 0.7 95 30 -0.3 to VSD 40 0.32 +160 -25 to +85 -55 to +150 Unit V V V ADC ADC ADC mJ V V W W/C C C C
Note: 1. Repetitive rating: Pulse width limited by maximum junction temperature 2. L=24mH, starting Tj=25C
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KA5X0165RXX-SERIES
Electrical Characteristics (SFET part)
(Ta=25C unless otherwise specified) Parameter Drain-source breakdown voltage Zero gate voltage drain current Static drain-source on resistance (note) Forward transconductance (note) Input capacitance Output capacitance Reverse transfer capacitance Turn on delay time Rise time Turn off delay time Fall time Total gate charge (gate-source+gate-drain) Gate-source charge Gate-drain (Miller) charge
Note: Pulse test: Pulse width 300S, duty cycle 2% 1 S = --R
Symbol BVDSS IDSS RDS(ON) gfs Ciss Coss Crss td(on) tr td(off) tf Qg Qgs Qgd
Condition VGS=0V, ID=50A VDS=Max. Rating, VGS=0V VDS=0.8Max. Rating, VGS=0V, TC=125C VGS=10V, ID=0.5A VDS=50V, ID=0.5A VGS=0V, VDS=25V, f=1MHz VDD=0.5BVDSS, ID=1.0A (MOSFET switching time are essentially independent of operating temperature) VGS=10V, ID=1.0A, VDS=0.5BVDSS (MOSFET switching time are essentially independent of operating temperature)
Min. 650 0.5 -
Typ. 8 250 25 10 12 4 30 10 3 9
Max. 50 200 10 21 -
Unit V A A S pF
nS
nC
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KA5X0165RXX-SERIES
Electrical Characteristics (CONTROL part)
(Ta=25C unless otherwise specified) Parameter UVLO SECTION Start Threshold Voltage Stop Threshold Voltage OSCILLATOR SECTION Initial accuracy Initial accuracy Initial accuracy Frequency change with temperature (2) Maximum duty cycle Maximum duty cycle FEEDBACK SECTION Feedback source current Shutdown feedback voltage Shutdown delay current SOFT START SECTION Soft Start Voltage Soft Start Current REFERENCE SECTION Output voltage (1) Temperature Stability Peak Current Limit PROTECTION SECTION Thermal shutdown temperature (Tj) (1) Over voltage protection TOTAL STANDBY CURRENT SECTION Start Up Current Operating supply current (control part only) ISTART IOP VCC=14V VCC<28 100 7 170 12 A mA TSD VOVP KA5x0165R/RN/RI 140 25 160 27 29 C V
(1)(2)
Symbol VSTART VSTOP FOSC FOSC FOSC F/T Dmax Dmax
Condition VFB=GND VFB=GND KA5H0165Rxx KA5M0165Rxx KA5L0165Rxx -25CTa+85C KA5H0165Rxx KA5M0165Rxx KA5L0165Rxx Ta=25C, 0V6.5V Ta=25C, 3VVfbVSD
Min. 14 8.4 90 61 45 62 72
Typ. 15 9 100 67 50 5 67 77
Max. 16 9.6 110 73 55 10 72 82
Unit V V kHz kHz kHz % % %
IFB VSD Idelay VSS ISS Vref Vref/T IOVER
0.7 6.9 4 4.7 0.8 4.80 0.53
0.9 7.5 5 5.0 1.0 5.00 0.3 0.6
1.1 8.1 6 5.3 1.2 5.20 0.6 0.67
mA V A V mA V mV/C A
KA5x0165RI
Ta=25C -25CTa+85C Max. inductor current
CURRENT LIMIT(SELF-PROTECTION)SECTION
Note: 1. These parameters, although guaranteed, are not 100% tested in production 2. These parameters, although guaranteed, are tested in EDS (wafer test) process
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KA5X0165RXX-SERIES
Typical Performance Characteristics
(These characteristic graphs are normalized at Ta=25C)
Fig.1 Operating Frequency
1.2 1.15 1.1 1.05 Fosc 1 0.95 0.9 0.85 0.8 -25 0 25 50 75 100 125 150
Fig.2 Feedback Source Current
1.2 1.15 1.1 1.05 Ifb 1 0.95 0.9 0.85 0.8 -25
0
25
50
75
100
125 150
Temperature [C] Figure 1. Operating Frequency
Temperature [C] Figure 2. Feedback Source Current
Fig.3 Operating Current
1.2 1.15 1.1 1.05 Iop 1 0.95 0.9 0.85 0.8 -25
1.1 1.05
Fig.4 Max Inductor Current
IIpeak 1 over
0.95 0.9 0.85 0 25 50 75 100 125 150 0.8 -25 0 25 50 75 100 125 150
Temperature [C] Figure 3. Operating Supply Current
Temperature [C] Figure 4. Peak Current Limit
1.5 1.3
Fig.5 Start up Current
1.15 1.1 1.05
Fig.6 Start Threshold Voltage
Istart
1.1 0.9 0.7 0.5 -25
Vstart 1
0.95 0.9 0 25 50 75 100 125 150 0.85 -25 0 25 50 75 100 125 150
Temperature [C] Figure 5. Start up Current
Temperature [C] Figure 6. Start Threshold Voltage
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KA5X0165RXX-SERIES
Typical Performance Characteristics (Continued)
(These characteristic graphs are normalized at Ta=25C)
Fig.7 Stop Threshold Voltage
1.15 1.1 1.05 1.15 1.1 1.05
Fig.8 Maximum Duty Cycle
Vstop 1
0.95 0.9 0.85 -25 0 25 50 75 100 125 150
Dmax 1
0.95 0.9 0.85 -25 0 25 50 75 100 125 150
Temperature [C] Figure 7. Stop Threshold Voltage
Temperature [C] Figure 8. Maximum Duty Cycle
Fig.9 Vcc Zener Voltage
1.2 1.15 1.1 1.05 Vz 1 0.95 0.9 0.85 0.8 -25 1.15 1.1 1.05
Fig.10 Shutdown Feedback Voltage
Vsd 1
0.95 0.9 0 25 50 75 100 125 150 0.85 -25 0 25 50 75 100 125 150
Temperature [C] Figure 9. VCC Zener Voltage
Temperature [C] Figure 10. Shutdown Feedback Voltage
Fig.11 Shutdown Delay Current
1.2 1.15 1.1 1.05 Idelay 1 0.95 0.9 0.85 0.8 -25 1.15 1.1 1.05
Fig.12 Over Voltage Protection
Vovp 1
0.95 0.9 0 25 50 75 100 125 150 0.85 -25 0 25 50 75 100 125 150
Temperature [C] Figure 11. Shutdown Delay Current
Temperature [C] Figure 12. Over Voltage Protection
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KA5X0165RXX-SERIES
Typical Performance Characteristics (Continued)
(These characteristic graphs are normalized at Ta=25C)
Fig.13 Soft Start Voltage
1.15 1.1 1.05 2.5 2 1.5
( Rdson)1
Fig.14 Drain Source Turn-on Resistance
Vss
1 0.9
0.95 0.85 -25
0.5 0 25 50 75 100 125 150 0 -25 0 25 50 75 100 125 150
Temperature [C] Figure13. Soft Start Voltage
Temperature [C] Figure 14. Static Drain-Source on Resistance
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KA5X0165RXX-SERIES
Package Dimensions
TO-220F-4L
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KA5X0165RXX-SERIES
Package Dimensions (Continued)
TO-220F-4L(Forming)
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KA5X0165RXX-SERIES
Package Dimensions (Continued)
8-DIP
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KA5X0165RXX-SERIES
Package Dimensions (Continued)
I2-PAK-5L
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KA5X0165RXX-SERIES
Package Dimensions (Continued)
I2-PAK-5L(Forming)
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KA5X0165RXX-SERIES
Ordering Information
Product Number KA5H0165R-TU KA5H0165R-YDTU KA5M0165R-TU KA5M0165R-YDTU KA5L0165R-TU KA5L0165R-YDTU KA5H0165RN KA5M0165RN KA5L0165RN KA5M0165RI-TU KA5M0165RI-YDTU KA5L0165RI-TU KA5L0165RI-YDTU Package TO-220F-4L TO-220F-4L(Forming) TO-220F-4L TO-220F-4L(Forming) TO-220F-4L TO-220F-4L(Forming) 8-DIP 8-DIP 8-DIP I2-PAK-5L I2-PAK-5L(Forming) I2-PAK-5L I2-PAK-5L(Forming) Marking Code 5H0165R 5M0165R 5L0165R 5H0165R 5M0165R 5L0165R 5M0165RI 5L0165RI BVDSS 650V 650V 650V 650V 650V 650V 650V 650V FOSC 100kHz 67kHz 50kHz 100kHz 67kHz 50kHz 67kHz 50kHz RDS(on) 8 8 8 8 8 8 8 8
Product Number KA5H0165RV-TU KA5H0165RV-YDTU KA5M0165RV-TU KA5L0165RV-TU KA5L0165RV-YDTU KA5H0165RVN KA5M0165RVN KA5L0165RVN
TU : Non Forming Type YDTU : Forming Type
Package TO-220F-4L TO-220F-4L(Forming) TO-220F-4L TO-220F-4L TO-220F-4L(Forming) 8-DIP 8-DIP 8-DIP
Marking Code 5H0165RV 5M0165RV 5L0165RV 5H0165RV 5M0165RV 5L0165RV
BVDSS 650V 650V 650V 650V 650V 650V
FOSC 100kHz 67kHz 50kHz 100kHz 67kHz 50kHz
RDS(on) 8 8 8 8 8 8
KA5M0165RV-YDTU TO-220F-4L(Forming)
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KA5X0165RXX-SERIES
DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user.
www.fairchildsemi.com 11/23/01 0.0m 001 Stock#DSxxxxxxxx 2001 Fairchild Semiconductor Corporation
2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness.

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