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FSDM101 fiches techniques PDF

Fairchild Semiconductor - Green Mode Fairchild Power Switch

Numéro de référence FSDM101
Description Green Mode Fairchild Power Switch
Fabricant Fairchild Semiconductor 
Logo Fairchild Semiconductor 





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FSDM101 fiche technique
www.fairchildsemi.com
FSDM101
Green Mode Fairchild Power Switch (FPSTM)
Features
• Internal Avalanche Rugged Sense FET
• Precision Fixed Operating Frequency (67kHz)
• Internal Start-up Switch and Soft Start
• Under Voltage Lock Out (UVLO) with Hysteresis
• Pulse by Pulse Current Limit
• Over Load Protection (OLP)
• Over Voltage Protection (OVP)
• Internal Thermal Shutdown Function (TSD)
• Secondary Side Regulation
• Auto-Restart Mode
Applications
• Charger & Adaptor for Mobile Phone, PDA & MP3
• Auxiliary Power for White Goods, PC, C-TV & Monitor
• SMPS for VCR, SVR, STB, DVD, and DVCD
• Adaptor for Camcorder
Description
The FSD M101 is an inte grated Pu lse Width Modula tor
(PWM) and Sense FET spec ially designed for high pe rfor-
mance of f-line Switc h Mode Pow er Supplies (SMPS) with
minimal exte rnal co mponents. This device is a m onolithic
high v oltage po wer sw itching reg ulator which combine s a
VDMOS Sense FET with a voltag e mode PW M co ntrol
block. The inte grated PW M co ntroller features inc lude: a
fixed oscillat or, Under V oltage Lo ck Out (UV LO) prote c-
tion, Leading Edge Blanking (LEB), optimized gate turn-on/
turn-off driver, thermal shut down protection (TSD), temper-
ature co mpensated precision current sources fo r loop c om-
pensation and fault protection circuitry. When compared to a
discrete MO SFET and controller or RCC switching con-
verter solution, the FSDM101 red uces total co mponent
count, d esign siz e, weigh t and a t the same time in creases
efficiency, productivity, and system reliability. This device is
a basic platform well suited for cost effective designs of fly-
back converters.
TYPICAL OUTPUT POWER CAPABILITY
PRODUCT
Open Frame(1)
230VAC ±15%(2)
85-265VAC
FSDM101
13W
8W
PEAK OUTPUT POWER CAPABILITY(3)
PRODUCT
Open Frame(1)
230VAC ±15%(2)
85-265VAC
FSDM101
17W
12W
Table 1. Notes: 1. Maximum practical continuous power
in an open frame design with asufficient drain pattern as
a heat sinker at 50°C ambient temperature. 2. 230 VAC or
100/115 VAC with doubler. 3. Peak output power means
the maximum power can be handled instantaneously.
Typical Circuit
AC
IN
Vstr Drain
PWM
Vfb Vcc Source
DC
OUT
Figure 1. Typical Flyback Application Using FSDM101
FPSTM is a trademark of Fairchild Semiconductor Corporation.
©2005 Fairchild Semiconductor Corporation
Rev.1.0.1
http://www.Datasheet4U.com

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