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FSDM0565RBI Datasheet

  • FSDM0565RBI

  • Green Mode Fairchild Power Switch (FPS)

  • 20頁

  • FAIRCHILD

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www.fairchildsemi.com
FSDM0565RB
Features
Green Mode Fairchild Power Switch (FPS
TM
)
鈥?Internal Avalanche Rugged Sense FET
鈥?Advanced Burst-Mode operation consumes under 1 W at
240VAC & 0.5W load
鈥?Precision Fixed Operating Frequency (66kHz)
鈥?Internal Start-up Circuit
鈥?Improved Pulse by Pulse Current Limiting
鈥?Over Voltage Protection (OVP)
鈥?Over Load Protection (OLP)
鈥?Internal Thermal Shutdown Function (TSD)
鈥?Auto-Restart Mode
鈥?Under Voltage Lock Out (UVLO) with hysteresis
鈥?Low Operating Current (2.5mA)
鈥?/div>
Built-in Soft Start
OUTPUT POWER TABLE
230VAC
鹵15%
(3)
PRODUCT
FSDM0565RB
FSDM0565RBI
FSDM07652RB
Adapt-
er
(1)
60W
60W
70W
Open
Frame
(2)
70W
70W
80W
85-265VAC
Adapt-
er
(1)
50W
50W
60W
Open
Frame
(2)
60W
60W
70W
Table 1. Maximum Output Power
Notes:
1. Typical continuous power in a non-ventilated 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.
Application
鈥?SMPS for LCD monitor and STB
鈥?Adaptor
Description
The FSDM0565RB 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
DC
OUT
Vstr
PWM
Vfb
Drain
Vcc
Source
Figure 1. Typical Flyback Application
Rev.1.0.5
漏2005 Fairchild Semiconductor Corporation

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