Green Mode Fairchild Power Switch - Fairchild Semiconductor
Description
FSL176MRT — Green-Mode Fairchild Power Switch (FPS™)
August 2012
FSL176MRT Green-Mode Fairchild Power Switch (FPS™)
Features Advanced Soft Burst-Mode Operation for
Low Standby Power and Low Audible Noise
Description
The F SL176MRT is an integrated Pulse W idth Modulation (PWM) controller and SenseFET specifically designed for offline Sw itched-Mode Power Supplies (SMPS) with minimal external components.
T he PW M controller includes an in tegrated fixed-frequency oscillator, Under-Voltage Lockout (UVLO), LeadingEdge Blanking (LEB), optimized gate driver, internal soft-start, temperature-co mpensated precise current sources for loop compensation, and self-protection circuitry.
Compared with a discrete MOSF ET and PW M controller solution, the F SL176MRT can reduce total cost, component count, size, and w eight; w hile simultaneously increasing efficiency , productivity , and system reliability.
T his device provides a basic platform for cost-effective design of a flyback converter.
Random Frequency Fluctuation for Low EMI Pulse-by-Pulse Current Limit Various Protection Functions: Overload Protection
(OLP), Over-Voltage Protection (OVP), Abnormal Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis, Output-Short Protection (OSP), and Under-Voltage Lockout (UVLO) with Hysteresis
Low Operating Current (0.
4mA) in Burst Mode Internal Startup Circuit Internal High-Voltage SenseFET: 650V Built-in Soft-Start: 15ms Auto-Restart Mode Applications Power Supply for LCD Monitor, STB, and
DVD Combination
Ordering Information
Output Power Table Part Number Package Operating Current RDS(ON) Junction Limit (Max.
) Temperature 230VAC ±15%(3) Adapter(4)
(2)
85~265VAC
Open Open (4) (5) Adapter Frame(5) Frame 90W 48W 70W
Replaces Device
TO-220 (1) 6-Lead FSL176MRTUDTU UForming
-40°C ~ +125°C
3.
50A
1.
6Ω
80W
FSGM0765R
Notes: 1.
Pb-free package per JEDEC J-STD-020B.
2.
The junction temperature can limit the maximum output power.
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