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參數(shù)資料
| 型號： | FS6X1220RTYDTU |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Fairchild Power Switch (FPS) |
| 中文描述： | 32.8 A SWITCHING REGULATOR, 330 kHz SWITCHING FREQ-MAX, PSFM5 |
| 封裝： | TO-220F, 5 PIN |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 471K |
| 代理商： | FS6X1220RTYDTU |
2004 Fairchild Semiconductor Corporation
www.fairchildsemi.com
Rev.1.0.1
Features
Current Mode PWM Control With a Fixed Operating
Frequency (300kHz)
Pulse by Pulse Current Limit
Over Load Protection
Over Voltage Protection
Thermal Shutdown
Built-in Auto-Restart Circuit
Line Under Voltage Detection and Sleep on/off Function
Internal High Voltage SenseFET (QFET)
Supports Forward or Flyback Topology
Application
DC-DC Converter
Description
The FS6X1220R is specially designed for an off-line DC-
DC converters with minimal external components. This
device is a current mode PWM controller combined with a high
voltage power SenseFET in a single package. The PWM
controller includes integrated fixed frequency oscillator, line
under voltage lockout, sleep on/off function, thermal
shutdown protection, over voltage protection, pulse-by-pulse
current limit and temperature compensated precise current
sources for a loop compensation. Compared with discrete
MOSFET and PWM controller solution, the FS6X1220R can
reduce total cost, component count, size and weight simulta-
neously increasing efficiency, productivity, and system
reliability. This device is well suited for DC to DC converter
applications up to 40W of output power.
TO-220F-5L
1
1. Drain 2. GND 3. V
CC
4. Feedback 5. Line Sense
D2-PAK-5L
Internal Block Diagram
V
SL
V
LU
9V/15V
3
1
2
4
5
Vref
Line UVLO
Enable
Internal
Bias
S
Q
Q
R
OSC
Vcc
Vref
I
delay
I
FB
V
SD
TSD
Vovp
Vcc
Line UVLO
S
Q
Q
R
R
28R
Vcc good
Vcc good
Vcc
Drain
Line
Sense
FB
GND
Gate driver
FS6X1220R
Fairchild Power Switch (FPS
TM
)
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