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KA1M0765RC-YDTU 데이터시트 PDF




Fairchild에서 제조한 전자 부품 KA1M0765RC-YDTU은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


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부품번호 KA1M0765RC-YDTU 기능
기능 Fairchild Power Switch(FPS)
제조업체 Fairchild
로고 Fairchild 로고


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KA1M0765RC-YDTU 데이터시트, 핀배열, 회로
KA1M0765R/KA1M0765RC
Fairchild Power Switch(FPS)
www.fairchildsemi.com
Features
• Precision fixed operating frequency (67kHz)
• Pulse by pulse current limiting
• Over load protection
• Over voltage protecton (Min. 23V)
• Internal thermal shutdown function
• Under voltage lockout
• Internal high voltage sense FET
• Auto restart
• 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
frequency oscillator, under voltage lock out, leading edge
blanking, optimized gate turn-on/turn-off driver, thermal
shutdown protection, over voltage protection, temperature
compensated precision current sources for loop
compensation and fault protection circuit. compared to
discrete MOSFET and PWM controller or RCC 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-220-5L
11
1. DRAIN 2. GND 3. Vcc 4. FB 5. S/S
Internal Block Diagram
#3 VCC
#5 Soft Start
#4 FB
32V 5V Internal
Vref bias
Good
logic
5V
5µA
7.5V
25V
OSC
S
Q
R
1mA 2.5R
9V 1R
+
L.E.B
0.1V
+
+ Thermal S/D
S
Q
R
OVER VOLTAGE S/D
Power on reset
SFET
#1 DRAIN
#2 GND
©2001 Fairchild Semiconductor Corporation
Rev.1.0.2




KA1M0765RC-YDTU pdf, 반도체, 판매, 대치품
KA1M0765R/KA1M0765RC
Electrical Charcteristics (CONTROL part)
(Ta = 25°C unless otherwise specified)
Characteristic
Symbol
Test condition
Min.
UVLO SECTION
Start threshold voltage
Stop threshold voltage
VSTART
VSTOP
OSCILLATOR SECTION
Initial accuracy
Frequency change with temperature (2)
Maximum duty cycle
FOSC
F/T
Dmax
FEEDBACK SECTION
Feedback source current
Shutdown Feedback voltage
Shutdown delay current
SOFT START SECTION
Soft Start Voltage
Soft Start Current
IFB
VSD
Idelay
VSS
ISS
REFERENCE SECTION
Output voltage (1)
Temperature Stability (1)(2)
Vref
Vref/T
CURRENT LIMIT (SELF-PROTECTION) SECTION
Peak Current Limit
IOVER
PROTECTION SECTION
Thermal shutdown temperature (Tj) (1)
Over voltage protection voltage
TSD
VOVP
TOTAL DEVICE SECTION
-
After turn on
Ta=25°C
25°C Ta +85°C
-
Ta=25°C, 0V Vfb 3V
-
Ta=25°C, 5V Vfb VSD
VFB =2V
Sync & S/S=GND
Ta = 25°C
25°C Ta +85°C
Max. inductor current
-
-
14
9
61
-
74
0.7
6.9
4.0
4.7
0.8
4.80
-
4.40
140
23
Start Up current
Operating supply current
(control part only)
VCC zener voltage
ISTART
IOP
VZ
VCC=14V
Ta=25°C
ICC=20mA
0.1
6
30
Typ.
15
10
67
±5
77
0.9
7.5
5.0
5.0
1.0
5.00
0.3
5.00
160
25
0.3
12
32.5
Max. Unit
16 V
11 V
73 kHz
±10 %
80 %
1.1 mA
8.1 V
6.0 µA
5.3 V
1.2 mA
5.20 V
0.6 mV/°C
5.60 A
- °C
28 V
0.4 mA
18 mA
35 V
Note:
1. These parameters, although guaranteed, are not 100% tested in production
2. These parameters, although guaranteed, are tested in EDS(water test) process
3.The amplitude of the sync. pulse is recommended to be between 2V and 3V for stable sync. function.
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KA1M0765RC-YDTU 전자부품, 판매, 대치품
Typical Performance Characteristics (Continued)
(These characteristic graphs are normalized at Ta = 25°C)
KA1M0765R/KA1M0765RC
1.15
1.1
1.05
Vss 1
0.95
0.9
0.85
-25
Fig.13 Soft Start Voltage
0 25 50 75 100 125 150
Figure13. Soft Start Voltage
Fig.14 Drain Source Turn-on
Res is tance
2.5
2
1.5
Rds(on)1
0.5
0
-25 0 25 50 75 100 125 150
Figure 14. Static Drain-Source on Resistance
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부품번호상세설명 및 기능제조사
KA1M0765RC-YDTU

Fairchild Power Switch(FPS)

Fairchild
Fairchild

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