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FSDM0565R fiches techniques PDF

Fairchild Semiconductor - Green Mode Fairchild Power Switch

Numéro de référence FSDM0565R
Description Green Mode Fairchild Power Switch
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FSDM0565R fiche technique
www.fairchildsemi.com
FSDM0565R
Green Mode Fairchild Power Switch (FPSTM)
Features
• Internal Avalanche Rugged Sense FET
• Advanced Burst-Mode operation consumes under 1 W at
240VAC & 0.5W load
• Precision Fixed Operating Frequency (66kHz)
• Internal Start-up Circuit
• Pulse by Pulse Current Limiting
• Abnormal Over Current Protection (AOCP)
• Over Voltage Protection (OVP)
• Over Load Protection (OLP)
• Internal Thermal Shutdown Function (TSD)
• Auto-Restart Mode
• Under Voltage Lock Out (UVLO) with hysteresis
• Low Operating Current (2.5mA)
Built-in Soft Start
OUTPUT POWER TABLE
230VAC ±15%(3)
85-265VAC
PRODUCT
Adapt- Open Adapt- Open
er(1) Frame(2) er(1) Frame(2)
FSDM0565R 60W
70W
50W
60W
FSDM07652R 70W
80W
60W
70W
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.
Application
• SMPS for LCD monitor and STB
• Adaptor
Description
The FSDM0565R is an integrated Pulse Width Modulator
(PWM) and Sense FET specifically designed for high
performance offline Switch Mode Power Supplies (SMPS)
with minimal external components. This device is an
integrated high voltage power switching regulator which
combine an avalanche rugged Sense FET with a current mode
PWM control block. The PWM controller includes integrated
fixed frequency oscillator, under voltage lockout, leading edge
blanking (LEB), optimized gate driver, internal soft start,
temperature compensated precise current sources for a loop
compensation and self protection circuitry. Compared with
discrete MOSFET and PWM controller solution, it can reduce
total cost, component count, size and weight simultaneously
increasing efficiency, productivity, and system reliability. This
device is a basic platform well suited for cost effective
designs of flyback converters.
Typical Circuit
AC
IN
Vstr Drain
PWM
Vfb Vcc Source
Figure 1. Typical Flyback Application
DC
OUT
©2005 Fairchild Semiconductor Corporation
Rev.1.0.5

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