STR-A6079M |Sanken Electric

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STR-A6079M

Data sheetdownload (PDF:824.46KB)
Application Note

Description

The STR-A6000 series are power ICs for switching power supplies, incorporating a power MOSFET and a currentmode PWM controller IC in one package.
To achieve low power consumption, the product includes a startup circuit and a standby function in the controller.
The switching modes are automatically changed according to load conditions so that the PWM mode is in normal operation and the burst mode is in light load condition.
Rich set of protection features help realize low component count, and high performance-to-cost power supply.

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Application

・Low power AC/DC adapter
・White goods
・Auxiliary power supply
・OA, AV, Industrial equipment, etc.

Features

・Current mode PWM control
・Brown-in and brown-out function
・Auto standby function
 Normal load operation: PWM mode
 Light load operation: Burst mode
・No load power consumption PIN < 25 mW
・Random Switching function
・Slope Compensation function
・Leading Edge Blanking function
・Audible noise suppression function during standby mode
・Protection features
 Overcurrent protection function (OCP): pulse by pulse,with input compensation function
 Overvoltage protection function (OVP): latch shutdown
 Overload protection function (OLP):auto restart, with timer
 Thermal shutdown protection (TSD): latch shutdown

Remarks

STR-A6000 Series
VDSS A605x:650V A606x:700V A607x:800V

fosc ProductsRon(Ω)Pout*(W)
67kHz79M
51M
52M
53M
19.2
3.95
2.8
1.9
9
21
24.5
28
100kHz 59H/69H/69HD
61H/61HD
62H/62HD
63HD
6.0
3.95
2.8
2.3
19.5
23.5
26.5
28
*Open frame, 85VAC~265ACV

Package

Package Name:DIP8

Package Diagram

Design Support

Specifications

Control MethodPWM
SeriesSTR-A6000
Output Power9W
RON(max.)19.2Ω
VDSS(min.)800V
VCC Breakdown Voltage(max.)32V
Oscillating Frequency(typ.)67kHz

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Representative Circuit

Internal Block Diagram

Pin-out Diagrams

Data sheetdownload (PDF:824.46KB)
Application Note
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