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ON Semiconductor FSL137MRIN

FSL137MRIN Green-Mode Fairchild Power Switch (FPS™)

Overview

Topology Flyback Converter
Input voltage 60-600 V
Switching frequency 61-73 kHz
Output 1 5.25 V / 0.15 A
Output 2 13.65 V / 0.45 A
Output 3 15.75 V / 0.15 A
IC revision 1.0.3

Description

The FSL137MRIN is an integrated Pulse Width Modulation (PWM) controller and SenseFET specifically designed for offline Switched Mode Power Supplies (SMPS) with minimal external components. The PWM controller includes an integrated fixed-frequency oscillator, Line Over-Voltage Protection (LOVP), Under-Voltage Lockout (UVLO), Leading-Edge Blanking (LEB), optimized gate driver, internal soft-start, temperature-compensated precise current sources for loop compensation, and self-protection circuitry.

Compared with a discrete MOSFET and PWM controller solution, the FSL137MRIN reduces total cost, component count, size, and weight; while simultaneously increasing efficiency, productivity, and system reliability. This device provides a basic platform suited for cost-effective design of flyback converters.

Features

  • Advanced Soft Burst Mode for Low Standby Power and Low Audible Noise
  • Random Frequency Fluctuation (RFF) for Low EMI
  • Under 50 mW Standby Power Consumption at 265 VAC, No-load Condition with Burst Mode
  • Pulse-by-Pulse Current Limit
  • Overload Protection (OLP), Over-Voltage Protection (OVP), Abnormal
  • Over-Current Protection (AOCP), Internal Thermal Shutdown (TSD) with Hysteresis, Output-ShortProtection (OSP), and Under-Voltage Lockout (UVLO) with Hysteresis, Line Over-VoltageProtection (LOVP)
  • Low Operating Current (0.4 mA) in Burst Mode
  • Internal Startup Circuit
  • Internal High-Voltage SenseFET: 700 V
  • Built-in Soft-Start: 15 ms
  • Auto-Restart Mode

Typical applications

  • Power Supply for Home Appliances,LCD Monitors,STBs,AND DVD pLAYERS

Products

Order Code Data­sheet Downloads Product series Vin VOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(A)
VOut3
(V)
IOut3
(A)
Vaux
(V)
fswitch
(kHz)
L1
(µH)
NPRI : NSEC : NAUX VT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
Mount Samples
750341526
LTS MID-OLON Offline Flyback Transformers for ON Semiconductor 60 - 600 V (AC) 15 0.45 15 0.15 8 0.15 15 67 660 6:1:0.562:1 4000 22.2 25 16.51 THT
Order Code Data­sheet
750341526
Samples
Order Code Data­sheet Downloads Product series Vin VOut1
(V)
IOut1
(A)
VOut2
(V)
IOut2
(A)
VOut3
(V)
IOut3
(A)
Vaux
(V)
fswitch
(kHz)
L1
(µH)
NPRI : NSEC : NAUX VT
(V (AC))
L
(mm)
W
(mm)
H
(mm)
Mount Samples