STR-A6151M |Sanken Electric

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STR-A6151M

Data Sheetdownload (PDF:902.77KB)
Application Note

Description

The STR-A6100 series are power ICs for switching power supplies, incorporating a MOSFET and a current mode PRC controller IC.
PRC (Pulse Ratio Control) controls on-time with fixed off-time.
The IC includes a startup circuit and a standby function to achieve the low standby power. The rich set of protection features helps to realize low component counts, and high performance-to-cost power supply.

Application

・White goods
・Auxiliary SMPS
・Low power SMPS, etc.

Features

・Current Mode Type Pulse Ratio Control
・Auto Standby Function
 Normal Operation:PRC Mode
 Standby:Burst Oscillation Mode
・No Load Power Consumption < 40mW
・Leading Edge Blanking Function
・Protections
 Overcurrent Protection(OCP): pulse-by-pulse
 Overload Protection(OLP): auto-restart
 Overvoltage Protection(OVP): latched shutdown
 Thermal Shutdown Protection(TSD): latched shutdown

Remarks

STR-A6100 Series Lineup

Products Fixed
off time
Notes
STR-A61xx 8μs Auto Bias Function
STR-A61xxM 11.5μs -
STR-A61xxE 11.5μs Built-in Startup Circuit
VDSS
 STR-A613x:500V
 STR-A615x:650V
 STR-A616x:800V

Package

Package Name:DIP8

Package Diagram

Design Support

Specifications

Control MethodPRC(Fixed off time)
SeriesSTR-A6100
Output Power13W
RON(Max.)3.95Ω
VDSS(Min.)650V
VCC Breakdown Voltage(Max.)35V
Oscillating Frequency(Typ.)Fixed off-time period (11.5μs)

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Representative Circuit

Internal Block Diagram

Pin-Out Diagrams

Data Sheetdownload (PDF:902.77KB)
Application Note
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