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UM602A Datasheet, PDF (2/6 Pages) Unisonic Technologies – DUAL OPERATIONAL AMPLIFIER-DUAL COMPARATOR
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