ka5s03 ETC-unknow, ka5s03 Datasheet

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ka5s03

Manufacturer Part Number
ka5s03
Description
Fairchild Power Switch Fps
Manufacturer
ETC-unknow
Datasheet
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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ka5s03 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 ...

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

... DS D Ciss V =0V Coss f = 1MHz Crss td(on) V =0. DSS tr (MOSFET switching time is essentially independent of td(off) operating temperature =10V, I =9.0A =0. DSS switching time is essentially Qgs independent of operating Qgd temperature) Min. Typ. 650 - = 1.25 3 1600 =25V, - 310 - 120 , I =7. ...

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

KA5S-SERIES Electrical Characteristics (Control Part) (V =16V, Tamb = 25 C unless otherwise specified) CC Parameter UVLO SECTION Start Threshold Voltage Stop Threshold Voltage OSCILLATOR SECTION Initial Frequency Voltage Stability Temperature Stability (Note2) Maximum Duty Cycle Minimum Duty Cycle FEEDBACK ...

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

KA5S-SERIES TOP Mark and Pinout Information ...

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 ...

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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