str-a6372 ETC-unknow, str-a6372 Datasheet

str-a6372

Manufacturer Part Number

str-a6372

Description

Integrated Switcher

Manufacturer

ETC-unknow

Datasheet

1.STR-A6372.pdf (7 pages)

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Company:

Bonase Electronics (HK) Co., Limited

Part Number:

STR-A6372

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SANKEN

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Part Number:

STR-A6372

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• Oscillator is provided on the monolithic control with adopting On-Chip-

Trimming technology.

• Small temperature characteristics variation by adopting a comparator to

compensate for temperature on the control part.

• Low start-up circuit current (50uA max)

• Built-in Active Low-Pass Filter for stabilizing the operation in case of light

load

• Avalanche energy guaranteed MOSFET with high VDSS

• The built-in power MOSFET simplifies the surge absorption circuit since the

MOSFET guarantees the avalanche energy.

• No VDSS de-rating is required.

• Built-in constant voltage drive circuit

• Various kinds of protection functions

• Pulse-by-pulse Overcurrent Protection (OCP)

• Overvoltage Protection with latch mode (OVP)

• Thermal Shutdown with latch mode (TSD)

Descriptions

IRIS-A6372 is a hybrid IC consists from power MOSFET and a controller IC, designed for PRC

fly-back converter type SMPS (Switching Mode Power Supply) applications, applicable for PRC

operation for small power SMPS. This IC realizes downsizing and standardizing of a power supply

system reducing external components count and simplifying the circuit designs. (Note). PRC is

abbreviation of “Pulse Ratio Control” (On-width control with fixed OFF-time).

Features

Typical Connection Diagram

1 1 1 1

2 2 2 2

3 3 3 3

4 4 4 4

STR-A6372

8 8 8 8

7 7 7 7

6 6 6 6

5 5 5 5

Key Specifications

IRIS-A6372

Type

MOSFET

VDSS(V)

900

INTEGRATED SWITCHER

Package Outline

RDS(ON)

7.7Ω

MAX

8 Lead PDIP

IRIS-A6372

AC input(V)

230±15%

85 to 264

www.irf.com

Pout(W)

Note 1

Related parts for str-a6372

str-a6372 Summary of contents

Page 1

... Ratio Control” (On-width control with fixed OFF-time). Typical Connection Diagram INTEGRATED SWITCHER Package Outline Key Specifications MOSFET Type VDSS(V) IRIS-A6372 900 STR-A6372 IRIS-A6372 ...

Page 2

IRIS-A6372 Absolute Maximum Ratings Absolute maximum ratings indicate sustained limits beyond which damage to the device may occur. All voltage parameters are absolute voltages referenced to terminals stated, all currents are defined positive into any lead. The thermal resistance and ...

Page 3

IRIS-A6372 Electrical Characteristics (for Control IC) Electrical characteristics for control part (Ta=25℃, Vin=20V,unless otherwise specified) Symbol Definition V Operation start voltage in(ON) V Operation stop voltage in(OFF) I Circuit current in operation in(ON) I Circuit current in non-operation in(OFF) T ...

Page 4

IRIS-A6372 IRIS-A6372 A.S.O. temperature derating coefficient curve 100 Internal frame temperature TF [℃] IRIS-A6372 Maximum Switching current derating curve 　　　　　　　　　　　 ...

Page 5

IRIS-A6372 IRIS-A6372 MOSFET Ta-P Curve D1 1.6 P =1.35[W] D1 1.4 1.2 1 0.8 0.6 0.4 0 100 120 Ambient temperature Ta[℃ 0.1 0.01 1µ 10µ 0.16 P 0.14 0.12 0.10 0.08 ...

Page 6

IRIS-A6372 Block Diagram Vin 3 UVLO ＋－ PWM OSC Lead Assignments Pin Assignment (Top View) Source 1 8 Drain GND 2 7 Drain Vin 3 6 N.C. OCP/ GND Other Functions O.V.P. – Overvoltage Protection Circuit T.S.D. ...

Page 7

... Jan. to Sept., O for Oct. N for Nov. D for Dec letter：Week 1～3 : Arabic numerals c. Registration Number Material of Pin : Cu Treatment of Pin : Solder plating Weight: Approx. 0.51g Data and specifications subject to change without notice. Visit us at www.irf.com for sales contact information. ...

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