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FSDM311L

Description
1.5 A SWITCHING REGULATOR, 73 kHz SWITCHING FREQ-MAX, PDIP8
Categorysemiconductor    Analog mixed-signal IC   
File Size1MB,19 Pages
ManufacturerFairchild
Websitehttp://www.fairchildsemi.com/
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FSDM311L Overview

1.5 A SWITCHING REGULATOR, 73 kHz SWITCHING FREQ-MAX, PDIP8

FSDM311L Parametric

Parameter NameAttribute value
Number of functions1
Number of terminals8
Maximum limit input voltage16 V
Minimum limit input voltage8 V
Maximum operating temperature85 Cel
Minimum operating temperature-25 Cel
Processing package descriptionMS-001BA, DIP-8
Lead-freeYes
EU RoHS regulationsYes
stateACTIVE
packaging shapeRECTANGULAR
Package SizeIN-LINE
Terminal formTHROUGH-HOLE
Terminal spacing2.54 mm
terminal coatingMATTE TIN
Terminal locationDUAL
Packaging MaterialsPLASTIC/EPOXY
Temperature levelOTHER
control modeVOLTAGE
Control TechnologyPULSE WIDTH MODULATION
Maximum output current1.5 A
Analog IC other typesSWITCHING REGULATOR
Switch configurationSINGLE
Maximum switching frequency73 kHz
FSDM311 Green Mode Fairchild Power Switch (FPS™)
July 2006
FSDM311
Green Mode Fairchild Power Switch (FPS™)
Features
Internal Avalanche Rugged SenseFET
Precision Fixed Operating Frequency (67KHz)
Advanced Burst-Mode Operation (power consumption
< 0.1W at 265VAC, no-load condition)
Internal Start-up Circuit
Pulse-by-Pulse Current Limit
Over-Voltage Protection (OVP)
Over-Load Protection (OLP)
Internal Thermal Shutdown Function (TSD)
Auto-Restart Mode
Under-Voltage Lockout (UVLO) with Hysteresis
Built-in Soft-Start
Description
The FSDM311, consisting of integrated Pulse-Width
Modulator (PWM) and SenseFET, is specifically
designed for high-performance, off-line Switch Mode
Power Supplies (SMPS) with minimal external
components. This device is an integrated high-voltage,
power-switching regulator which combines a VDMOS
SenseFET with a voltage mode PWM control block. The
integrated PWM controller features include: a fixed
oscillator, Under-Voltage Lockout (UVLO) protection,
Leading Edge Blanking (LEB), an optimized gate turn-
on/turn-off driver, Thermal Shutdown (TSD) protection,
and
temperature-compensated,
precision-current
sources for loop-compensation and fault-protection
circuitry. When compared to a discrete MOSFET and
controller or RCC switching converter solution, the
FSDM311 device reduces total component count and
design size and weight; while increasing efficiency,
productivity, and system reliability. This device provides
a basic platform that is well suited for the design of cost-
effective flyback converters.
Applications
Charger & Adapter for Mobile Phone, PDA & MP3
Auxiliary Power for White Goods, PC, C-TV & Monitor
Related Application Notes
AN-4137, AN-4141, AN-4147 (Flyback)
AN-4134 (Forward)
AN-4138 (Charger)
Ordering Information
Product Number
FSDM311
FSDM311L
Package
8DIP
8LSOP
Marking Code
DM311
DM311
BV
DSS
650V
650V
f
OSC
67KHz
67KHz
R
DS (ON)
14Ω
14Ω
FPS™ is a trademark of Fairchild Semiconductor Corporation.
© 2003 Fairchild Semiconductor Corporation
FSDM311 Rev. 1.1.0 • 7/14/06
www.fairchildsemi.com

FSDM311L Related Products

FSDM311L FSDM311 FSDM311_06
Description 1.5 A SWITCHING REGULATOR, 73 kHz SWITCHING FREQ-MAX, PDIP8 1.5 A SWITCHING REGULATOR, 73 kHz SWITCHING FREQ-MAX, PDIP8 1.5 A SWITCHING REGULATOR, 73 kHz SWITCHING FREQ-MAX, PDIP8
Number of functions 1 1 1
Number of terminals 8 8 8
Maximum operating temperature 85 Cel 85 °C 85 Cel
Minimum operating temperature -25 Cel -25 °C -25 Cel
Terminal form THROUGH-HOLE THROUGH-HOLE THROUGH-HOLE
Terminal location DUAL DUAL DUAL
Temperature level OTHER OTHER OTHER
control mode VOLTAGE VOLTAGE-MODE VOLTAGE
Control Technology PULSE WIDTH MODULATION PULSE WIDTH MODULATION PULSE WIDTH MODULATION
Maximum output current 1.5 A 1.5 A 1.5 A
Switch configuration SINGLE SINGLE SINGLE
Maximum switching frequency 73 kHz 73 kHz 73 kHz
Maximum limit input voltage 16 V - 16 V
Minimum limit input voltage 8 V - 8 V
Processing package description MS-001BA, DIP-8 - MS-001BA, DIP-8
Lead-free Yes - Yes
EU RoHS regulations Yes - Yes
state ACTIVE - ACTIVE
packaging shape RECTANGULAR - RECTANGULAR
Package Size IN-LINE - IN-LINE
Terminal spacing 2.54 mm - 2.54 mm
terminal coating MATTE TIN - MATTE TIN
Packaging Materials PLASTIC/EPOXY - PLASTIC/EPOXY
Analog IC other types SWITCHING REGULATOR - SWITCHING REGULATOR
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