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FSD200M Datasheet

  • FSD200M

  • Green Mode Fairchild Power Switch (FPSTM)

  • 18頁

  • FAIRCHILD

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www.fairchildsemi.com
FSD210, FSD200
Features
Green Mode Fairchild Power Switch (FPS
TM
)
鈥?Single Chip 700V Sense FET Power Switch
鈥?Precision Fixed Operating Frequency (134kHz)
鈥?Advanced Burst-Mode operation Consumes under 0.1W
at 265Vac and no load (FSD210 only)
鈥?Internal Start-up Switch and Soft Start
鈥?Under Voltage Lock Out (UVLO) with Hysteresis
鈥?Pulse by Pulse Current Limit
鈥?Over Load Protection (OLP)
鈥?Internal Thermal Shutdown Function (TSD)
鈥?Auto-Restart Mode
鈥?Frequency Modulation for EMI
鈥?FSD200 does not require an auxiliary bias winding
OUTPUT POWER TABLE
230VAC
鹵15%
(3)
PRODUCT
FSD210
FSD200
FSD210M
FSD200M
Adapter
(1)
5W
5W
5W
5W
85-265VAC
Open
Open
(1)
(2)
Adapter
Frame
Frame
(2)
7W
7W
7W
7W
4W
4W
4W
4W
5W
5W
5W
5W
Applications
鈥?Charger & Adaptor for Mobile Phone, PDA & MP3
鈥?Auxiliary Power for White Goods, PC, C-TV & Monitor
Table 1. Notes: 1. Typical continuous power in a non-ven-
tilated enclosed adapter measured at 50擄C ambient. 2.
Maximum practical continuous power in an open frame
design at 50擄C ambient. 3. 230 VAC or 100/115 VAC with
doubler.
Typical Circuit
Description
The FSD200 and FSD210 are integrated Pulse Width Modu-
lators (PWM) and Sense FETs specially designed for high
performance off-line Switch Mode Power Supplies (SMPS)
with minimal external components. Both devices are mono-
lithic high voltage power switching regulators which com-
bine an LDMOS Sense FET with a voltage mode PWM
control block. The integrated PWM controller features in-
clude: a fixed oscillator with frequency modulation for re-
duced EMI, Under Voltage Lock Out (UVLO) protection,
Leading Edge Blanking (LEB), optimized gate turn-on/turn-
off driver, thermal shut down protection (TSD), temperature
compensated precision current sources for loop compensa-
tion and fault protection circuitry. When compared to a dis-
crete MOSFET and controller or RCC switching converter
solution, the FSD200 and FSD210 reduce total component
count, design size, weight and at the same time increase effi-
ciency, productivity, and system reliability. The FSD200
eliminates the need for an auxiliary bias winding at a small
cost of increased supply power. Both devices are a basic plat-
form well suited for cost effective designs of flyback convert-
ers.
AC
IN
DC
OUT
Vstr
PWM
Vfb
Drain
Vcc
Source
Figure 1. Typical Flyback Application using FSD210
AC
IN
DC
OUT
Vstr
PWM
Vfb
Drain
Vcc
Source
Figure 2. Typical Flyback Application using FSD200
Rev.1.0.3
漏2004 Fairchild Semiconductor Corporation

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