KKA4605-2 datasheet(2/4 Pages) KODENSHI

Part #	KKA4605-2

Description	Control IC for Switched Mode Power Supplies using MOS Transistors

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Manufacturer	KODENSHI [KODENSHI_AUK CORP.]

Direct Link	http://www.kodenshi.co.kr

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KKA4605-2

Block Diagram

Reference

Voltage typ.

3V

Supply Voltage Monitor

V

6min V6A

V

6E V6max

V

REF

Current

Source

Control &

Overload

Amplifier

Primary

Current

Voltage

Converter

Start Pulse

Generator

Stop

Comparator

Logic

Output Stage

and Current

Control

Circuit

Zero

Crossing

Detector

Fold-back

Point

Correction

Primary

Voltage

Supervision

V

R

V

2B

V

ST

37

5

2

6

4

1

8

ABSOLUTE MAXIMUM RATINGS

Ta=-20 to 85oC; all voltages relatives to Vpp

Parameter

Symbol

Limit Values

Unit

Notes

min

max

Voltages

pin 1

V1

-0.3

3

V

pin 2

V2

-0.3

V

pin 3

V3

-0.3

V

pin 4

V4

-0.3

V

pin 5

V5

-0.3

V6

V

pin 6

V6

-0.3

20

V

Supply voltage

pin 7

V7

-0.3

V

Current

pin 1

I1

3

mA

pin 2

I2

3

mA

pin 3

I3

3

mA

pin 4

I4

-1.5

A

tp≤50µs; v≤0.1 *

pin 5

I5

-0.5

1.5

A

tp≤50µs; v≤0.1

pin 6

I6

0.5

A

tp≤50µs; v≤0.1

pin 7

I7

3

mA

pin 8

I8

-5

3

mA

Junction temperature

Tj

125

oC

Storage temperature

Tstg

-40

125

oC

Operating Range

Supply voltage

V6

7.5

15.5

V

IC is on

Ambient temperature

Ta

-20

85

oC

* tp= pulse width

v = duty circle

2

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KKA4605-2 Datasheet(PDF) 2 Page - KODENSHI_AUK CORP.

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