KA5S0765C FAIRCHILD [Fairchild Semiconductor], KA5S0765C Datasheet

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KA5S0765C

Manufacturer Part Number
KA5S0765C
Description
Power Switch(FPS)
Manufacturer
FAIRCHILD [Fairchild Semiconductor]
Datasheet

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KA5S0765C
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Features
• Wide Operating Frequency Range Up to 150kHz
• Lowest Cost SMPS Solution
• Lowest External Components
• Low Start-up Current (Max:170 A)
• Low Operating Current (Max:12mA)
• Internal High Voltage SenseFET
• Over Voltage Protection With Latch Mode (Min23V)
• Over Load Protection With Latch Mode
• Over Current Protection With Latch Mode
• Internal Thermal Protection With Latch Mode
• Pulse By Pulse Over Current Limiting
• Under Voltage Lockout With Hysteresis
• External Sync. Terminal
Internal Block Diagram
©2003 Fairchild Semiconductor Corporation
KA5S-SERIES
KA5S0765C/KA5S0965/KA5S12656/KA5S1265
Fairchild Power Switch(FPS)
Soft Start
Feedback
& Sync
4
5
VREF
V
0.95mA
CC
3
(V
(Vfb=7.5V)
(Tj=160 C)
4 A
CC
OLP
TSD
OVP
15/9V
=25V)
Vth.sy
V
+
-
CC
VREF
V
UVLO
2.5V
CC
(V
+
-
S
OCP
=1.1V)
7V
6V
R
Vref
1 s Window
Open Circuit
OSC
+
-
2.5V
Power-on Reset
Voffset
(VCC=6.5V)
CLK
+
-
Shutdown Latch
1. Drain 2. Gnd 3. V
S
R
R
S
VREF UVLO
Q
Bias
Q
TO-220-5L
TO-3P-5L
1
1
CC
4. FeedBack 5. Sync.
www.fairchildsemi.com
SenseFET
Rsense
V
S
Drain
1
2
Rev.1.0.5
GND

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KA5S0765C Summary of contents

Page 1

... KA5S-SERIES KA5S0765C/KA5S0965/KA5S12656/KA5S1265 Fairchild Power Switch(FPS) Features • Wide Operating Frequency Range Up to 150kHz • Lowest Cost SMPS Solution • Lowest External Components • Low Start-up Current (Max:170 A) • Low Operating Current (Max:12mA) • Internal High Voltage SenseFET • Over Voltage Protection With Latch Mode (Min23V) • ...

Page 2

... KA5S-SERIES Absolute Maximum Ratings (Ta=25 C, unless otherwise specified) Characteristic KA5S0765C Drain-Gate Voltage(R =1M GS Gate-Source(GND) Voltage (1) Drain Current Pulsed Continuous Drain Current ( Continuous Drain Current (Tc = 100 C) Single Pulsed Avalanch Current Maximum Supply Voltage Input Voltage Range Total Power Dissipation Operating Junction Temperature. ...

Page 3

Absolute Maximum Ratings (Ta=25 C, unless otherwise specified) Characteristic KA5S12656 Drain-Gate Voltage(R =1M GS Gate-Source(GND) Voltage (1) Drain Current Pulsed Continuous Drain Current ( Continuous Drain Current (Tc = 100 C) Single Pulsed Avalanch Current Maximum Supply ...

Page 4

... KA5S-SERIES Electrical Characteristics (SFET Part) ( unless otherwise specified) Parameter KA5S0765C Drain-Source Breakdown Voltage Zero Gate Voltage Drain Current Static Drain-Source on Resistance (1) Forward Transconductance Input Capacitance Output Capacitance Reverse Transfer Capacitance Turn on Delay Time Rise Time Turn Off Delay Time Fall Time ...

Page 5

... 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: 1. Pulse Test : Pulse width 300uS, Duty Cycle 2.MOSFET switching time is essentially independent of operating temperature --- - R (Continued) Symbol Conditions BV V ...

Page 6

... V 6. =5V DELAY = = =16V , V =5V SYNCH =16V , V =5V SYNCL CC FB KA5S0765C KA5S0965 I OVER KA5S12656 KA5S1265 V V 24V OVP OCL TSD - I V =GND, V =14V START =GND, V =16V =GND, V ...

Page 7

Typical Performance Characteristics Istart(mA) 0.12 0.09 0.06 0.03 0.00 - Figure 1. Start Up Current vs. Temp. V Vstop(V) STOP 9.30 9.00 8.70 8.40 8.10 - Figure 3. Stop Threshold Voltage vs. Temp Fosc(kHz) ...

Page 8

KA5S-SERIES Typical Performance Characteristics Dmax(%) 98.0 96.5 95.0 93.5 92.0 - Figure 6. Maximum Duty vs. Temp. Vsd(V) 7.55 7.50 7.45 7.40 7.35 - Figure 8. Shutdown Feedback Voltage vs. Temp. Vovp(V) 26.6 25.9 ...

Page 9

Typical Performance Characteristics Iss(mA) 1.0 1.0 0.9 0.8 - Figure 12. Soft Start Current vs. Temp. (Continued) 5.10 5.05 5.00 4.95 4.90 75 100 125 150 Temp( ℃ ) Vss(V) - Figure 13. ...

Page 10

KA5S-SERIES Package Dimensions 10 TO-3P-5L ...

Page 11

Package Dimensions (Continued) TO-3P-5L(Forming) KA5S-SERIES 11 ...

Page 12

KA5S-SERIES Package Dimensions 12 (Continued) TO-220-5L ...

Page 13

Package Dimensions (Continued) TO-220-5L(Forming) KA5S-SERIES 13 ...

Page 14

... Device KA5S0765C KA5S0965 KA5S12656 KA5S1265 Notes ; ( Fairchild Semiconductor (2) 5S0765C, 5S0965, 5S12656, 5S1265; Device Marking Name (3) YY: Last Two Digit of Calender Year ...

Page 15

... Ordering Information Product Number KA5S0765CTU KA5S0765CYDTU TO-220-5L(Forming) KA5S0965TU KA5S0965YDTU TO-3P-5L(Forming) KA5S12656TU KA5S12656YDTU TO-3P-5L(Forming) KA5S1265TU KA5S1265YDTU TO-3P-5L(Forming Non Forming Type YDTU : Forming Type Package Marking Code TO-220-5L 5S0765C TO-3P-5L 5S0965 TO-3P-5L 5S12656 TO-3P-5L 5S1265 KA5S-SERIES BVdss Rds(on) 650V 1.6 650V 1.2 650V 0.9 650V 0.9 15 ...

Page 16

KA5S-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 ...

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