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Fairchild Semiconductor - Green Mode Fairchild Power Switch (FPSTM)

Numéro de référence FSD210
Description Green Mode Fairchild Power Switch (FPSTM)
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FSD210 fiche technique
www.fairchildsemi.com
FSD210, FSD200
Green Mode Fairchild Power Switch (FPSTM)
Features
• Single Chip 700V Sense FET Power Switch
• Precision Fixed Operating Frequency (134kHz)
• Advanced Burst-Mode operation Consumes under 0.1W
at 265Vac and no load (FSD210 only)
• Internal Start-up Switch and Soft Start
• Under Voltage Lock Out (UVLO) with Hysteresis
• Pulse by Pulse Current Limit
• Over Load Protection (OLP)
• Internal Thermal Shutdown Function (TSD)
• Auto-Restart Mode
• Frequency Modulation for EMI
• FSD200 does not require an auxiliary bias winding
Applications
• Charger & Adaptor for Mobile Phone, PDA & MP3
• Auxiliary Power for White Goods, PC, C-TV & Monitor
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.
PRODUCT
FSD210
FSD200
FSD210M
FSD200M
OUTPUT POWER TABLE
230VAC ±15%(3)
85-265VAC
Adapter(1)
Open
Frame(2)
Adapter(1)
Open
Frame(2)
5W 7W 4W 5W
5W 7W 4W 5W
5W 7W 4W 5W
5W 7W 4W 5W
Table 1. Notes: 1. Typical continuous power in a non-ven-
tilated enclosed adapter measured at 50°C ambient. 2.
Maximum practical continuous power in an open frame
design at 50°C ambient. 3. 230 VAC or 100/115 VAC with
doubler.
Typical Circuit
AC
IN
Vstr Drain
PWM
Vfb Vcc Source
DC
OUT
Figure 1. Typical Flyback Application using FSD210
AC
IN
Vstr Drain
PWM
Vfb Vcc Source
DC
OUT
©2004 Fairchild Semiconductor Corporation
Figure 2. Typical Flyback Application using FSD200
Rev.1.0.3

PagesPages 18
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