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KA1H0680RFB-TU 반도체 회로 부품 판매점

Fairchild Power Switch(FPS)



Fairchild 로고
Fairchild
KA1H0680RFB-TU 데이터시트, 핀배열, 회로
KA1M0680B/KA1M0680RB/
KA1H0680B/KA1H0680RFB
Fairchild Power Switch(FPS)
www.fairchildsemi.com
Features
• Precision fixed operating frequency
• KA1M0680B,KA1M0680RB (67KHz)
• KA1H0680B,KA1H0680RFB (100KHz)
• Pulse by pulse over current limiting
• Over load protection
• Over voltage protection (Min. 23V)
• Internal thermal shutdown function
• Under voltage lockout
• Internal high voltage sense FET
• Latch up mode (KA1M0680B,KA1H0680B)
• Auto restart (KA1M0680RB,KA1H0680RFB)
• Soft start
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 controller IC.
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, temperature compensated precision current sources
for loop compensation and fault protection circuit. compared to
discrete MOSFET and controller or RCC switching converter
solution, a Fairchild 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-3P-5L
TO-3PF-5L
Internal Block Diagram
1
1
1.DRAIN 2.GND 3.VCC 4.FB 5.Soft Start
#3 VCC
#5 Soft Start
#4 FB
32V 5V Internal
Vref bias
Good
logic
5V
5µA
7.5V
25V
1mA 2.5R
9V 1R
+
OSC
+
S
Q
R
L.E.B
0.1V
+ Thermal S/D
OVER VOLTAGE S/D
S
Q
R
Power on reset
©2001 Fairchild Semiconductor Corporation
SFET
#1 DRAIN
#2 GND
Rev.1.0.2


KA1H0680RFB-TU 데이터시트, 핀배열, 회로
KA1M0680B/KA1M0680RB/KA1H0680B/KA1H0680RFB
Absolute Maximum Ratings
Parameter
Maximum Drain voltage (1)
Drain Gate voltage (RGS=1M)
Gate source (GND) voltage
Drain current pulsed (2)
Single pulsed avalanche energy (3)
Avalanche current (4)
Continuous drain current (TC=25°C)
Continuous drain current (TC=100°C)
Maximum Supply voltage
Input voltage range
Total power dissipation
Symbol
VD,MAX
VDGR
VGS
IDM
EAS
IAS
ID
ID
VCC,MAX
VFB
PD
Derating
Operating ambient temperature
Storage temperature
TA
TSTG
Notes:
1. Tj=25°C to 150°C
2. Repetitive rating: Pulse width limited by maximum junction temperature
3. L=24mH, VDD=50V, RG=25, starting Tj=25°C
4. L=13µH, starting Tj=25°C
Value
800
800
±30
24.0
455
16
6.0
4.0
30
0.3 to VSD
150
1.21
25 to +85
55 to +150
Unit
V
V
V
ADC
mJ
A
ADC
ADC
V
V
W
W/°C
°C
°C
2




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KA1H0680RFB-TU

Fairchild Power Switch(FPS) - Fairchild