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Fairchild Semiconductor - Green Mode Fairchild Power Switch (FPSTM)

Numéro de référence FSDH0265RN
Description Green Mode Fairchild Power Switch (FPSTM)
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FSDH0265RN fiche technique
www.fairchildsemi.com
FSDH0265RN, FSDM0265RN
Green Mode Fairchild Power Switch (FPSTM)
Features
• Internal Avalanche Rugged Sense FET
• Consumes only 0.65W at 240VAC & 0.3W load with
Advanced Burst-Mode Operation
• Frequency Modulation for EMI Reduction
• Precision Fixed Operating Frequency
• 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 Lockout (UVLO)
• Low Operating Current (3mA)
• Adjustable Peak Current Limit
• Built-in Soft Start
Applications
• SMPS for VCR, SVR, STB, DVD & DVCD Player
• SMPS for Printer, Facsimile & Scanner
• Adapter for Camcorder
Related Application Notes
• AN-4137, 4141, 4147(Flyback) / AN-4134(Forward)
Description
Each product in the FSDx0265RN (x for M, H) family con-
sists of an integrated Pulse Width Modulator (PWM) and
Sense FET, and is specifically designed for high perfor-
mance off-line Switch Mode Power Supplies (SMPS) with
minimal external components. Both devices are integrated
high voltage power switching regulators which combine an
avalanche rugged Sense FET with a current mode PWM
control block. The integrated PWM controller features
include: a fixed oscillator with frequency modulation for
reduced EMI, Under Voltage Lock Out (UVLO) protection,
Leading Edge Blanking (LEB), an optimized gate turn-on/
turn-off driver, Thermal Shut Down (TSD) protection,
Abnormal Over Current Protection (AOCP) and 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 FSDx0265RN devices reduce total component
count, design size, weight while increasing efficiency, pro-
ductivity and system reliability. Both devices provide a basic
platform that is well suited for the design of cost-effective
flyback converters.
FPSTM is a trademark of Fairchild Semiconductor Corporation.
©2005 Fairchild Semiconductor Corporation
OUTPUT POWER TABLE
230VAC ±15%(3)
85-265VAC
PRODUCT
Adapt- Open Adapt- Open
er(1) Frame(2) er(1) Frame(2)
FSDL321
11W
17W
8W
12W
FSDH321
11W
17W
8W
12W
FSDL0165RN 13W
23W
11W
17W
FSDM0265RN 16W
27W
13W
20W
FSDH0265RN 16W
27W
13W
20W
FSDL0365RN 19W
30W
16W
24W
FSDM0365RN 19W
30W
16W
24W
FSDL321L
11W
17W
8W
12W
FSDH321L
11W
17W
8W
12W
FSDL0165RL 13W
23W
11W
17W
FSDM0265RL 16W
27W
13W
20W
FSDH0265RL 16W
27W
13W
20W
FSDL0365RL 19W
30W
16W
24W
FSDM0365RL 19W
30W
16W
24W
Notes:
1. Typical continuous power in a non-ventilated enclosed
adapter with sufficient drain pattern as a heat sinker, at
50°C ambient.
2. Maximum practical continuous power in an open frame
design with sufficient drain pattern as a heat sinker, at 50°C
ambient.
3. 230 VAC or 100/115 VAC with doubler.
Typical Circuit
AC
IN
Vstr Drain
Ipk
PWM
Vfb Vcc Source
DC
OUT
Figure 1. Typical Flyback Application
Rev.1.0.8

PagesPages 20
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