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UM602A
(Rev.:2015)

DUAL OPERATIONAL AMPLIFIER-DUAL COMPARATOR AND ADJUSTABLE VOLTAGE REFERENCE

Unisonic Technologies 

UM602A

 MARKING

DIP-16

LINEAR INTEGRATED CIRCUIT

SOP-16

 PIN CONFIGURATION

output1 1

Inverting Input1 2

Non Inverting Input1 3

VCC+ 4

Non-Inverting Input2 5

Inverting Input2 6

Output2 7

VREF 8

COMP

COMP

16 Output4

15 Inverting Input

14 Non Inverting Input4

13 VCC-

12 Non Inverting Input3

11 Inverting Input3

10 Output3

9 Cathode

 PIN DESCRIPTION

PIN NAME

1.

VREF

TYPE

OUTPUT

2.

CSEN

INPUT

3.

CRREF

4.

GND

5.

CRIN

6. OUTPUT

7.

VRIN

8.

VCC

INPUT

INPUT

INPUT

OUTPUT

INPUT

INPUT

FUNCTION

Voltage Reference Output 1.24V, 10mA max. Do not short circuit

Current source enable input. This current source can be used to offset the

voltage measurement on the sense resistor and therefore to modify the charge

current. The current source is enabled when the input volage on pin 2 is lower

than 0.8V

Current Limitation Reference Input

Ground

Current Limitation Loop Input, connected to the sense resistor

Output pin common to the voltage regulation and current limitation loops.

This output can drive the primary side (LED) of an optocoupler

Voltage Regulation Loop Input

Power Supply Input (4.5 ~ 32VDC)

UNISONIC TECHNOLOGIES CO., LTD

www.unisonic.com.tw

2 of 6

QW-R105-030.B

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