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Fairchild Semiconductor - Green Mode Fairchild Power Switch

Numéro de référence FSDM0365RNB
Description Green Mode Fairchild Power Switch
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FSDM0365RNB fiche technique
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www.fairchildsemi.com
FSDL0365RNB, FSDM0365RNB
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
• 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 FSDx0365RNB (x for L, M) family con-
sists of an integrated Pulse Width Modulator (PWM) and
Sense FET, and is specifically designed for high performance
off-line Switch Mode Power Supplies (SMPS) with minimal
external components. Both devices are integrated high voltage
power switching regulators which combine an avalanche rug-
ged 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 and temperature compensated precision cur-
rent sources for loop compensation and fault protection cir-
cuitry. The FSDx0365RNB offers better performance in Soft
Start than FSDx0365RN. When compared to a discrete MOS-
FET and controller or RCC switching converter solution, the
FSDx0365RNB devices reduce total component count, design
size, weight while increasing efficiency, productivity, and sys-
tem reliability. Both devices provide a basic platform that is
well suited for the design of cost-effective flyback converters.
OUTPUT POWER TABLE
PRODUCT
230VAC ±15%(3)
Adapt- Open
er(1) Frame(2)
85-265VAC
Adapt- Open
er(1) Frame(2)
FSDM0265RNB 16W
27W
13W
20W
FSDL0365RNB 19W
30W
16W
24W
FSDM0365RNB 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
FPSTM is a trademark of Fairchild Semiconductor Corporation.
©2005 Fairchild Semiconductor Corporation
Rev.1.0.4

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