STR4A164D |Sanken Electric

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STR4A164D

Data Sheetdownload (PDF:710.75KB)
Application Note

Description

The STR4A100 series are power ICs for switching power supplies, incorporating a sense MOSFET and a current mode PWM controller IC. The low standby power is accomplished by the automatic switching between the PWM operation in normal operation and the burst-oscillation under light load conditions. The product achieves high cost-performance power supply systems with few external components.

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Application

● White goods
● Auxiliary power supply
● Low power AC/DC adapter
● Battery Chargers
● Other SMPS

Features

● Auto Standby Function
 No Load Power Consumption < 10 mW
● Operation Mode
 Normal Operation PWM Mode
 Standby Burst Oscillation Mode
● Current Mode Type PWM Control
● Random Switching Function
● Slope Compensation Function
● Leading Edge Blanking Function
● Build-in Startup Circuit
● Bias Assist Function
● Soft Start Function
● Protections
 Overcurrent Protection (OCP) : Pulse-by-Pulse
 Overload Protection with timer (OLP) : Auto-Restart
 Overvoltage Protection (OVP) : Auto-Restart
 Thermal Shutdown Protection : (TSD) Auto-Restart

Remarks

STR4A100 Lineup
Last letter of part#     S:SOIC8、D:DIP8

Part Number PWM
frequency
Ron IDLIM(H)
STR4A162S
STR4A162D
65kHz 24.6Ω 0.365A
STR4A164D 12.9Ω 0.520A
STR4A164HD 100kHz 0.485A

Package

Package Name:DIP8

Package Diagram

Design Support

Specifications

Control MethodPWM
SeriesSTR4A100
Output Power8.5W
RON(Max.)12.9Ω
VDSS(Min.)730V
VCC Breakdown Voltage(Max.)32V
Oscillating Frequency(Typ.)65kHz

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Representative Circuit

Internal Block Diagram

Pin-Out Diagrams

Data Sheetdownload (PDF:710.75KB)
Application Note
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