UNISONIC TECHNOLOGIES CO., LTD
UM605A/B
LINEAR INTEGRATED CIRCUIT
OPERATIONAL AMPLIFIERS WITH 2.5V/1.25V SHUNT REGULA...
UNISONIC TECHNOLOGIES CO., LTD
UM605A/B
LINEAR INTEGRATED CIRCUIT
OPERATIONAL AMPLIFIERS WITH 2.5V/1.25V SHUNT
REGULATOR
DESCRIPTION
UTC UM605A/B that is designed to include 2 op amp and one shunt
regulator for battery charger and AC adapter application.
FEATURES
* Internal accurate 2.5V / 1.25V VREF * Reduced external components
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UM605AL-AF5-R
UM605AG-AF5-R
UM605BL-AF5-R
UM605BG-AF5-R
Package
SOT-25 SOT-25
Packing
Tape Reel Tape Reel
MARKING
UM605A
UM605B
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1 of 5
QW-R105-033.G
UM605A/B
PIN DESCRIPTION
PIN NO.
PIN NAME
1 OUT
FUNCTION Output Pin
LINEAR INTEGRATED CIRCUIT
INTERNAL CIRCUIT DIAGRAM
1
2 GND
Ground
3 INB 4 INA
Input Pin
5 VCC Supply Voltage
3 4
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www.unisonic.com.tw
2 of 5
QW-R105-033.G
UM605A/B
BLOCK DIAGRAM
UM605A
VCC 5
5.9K REF
+ 2.5V
43K
2.8K
+ -
+ -
LINEAR INTEGRATED CIRCUIT
INA 4
UM605B
1 OUT
2 GND
VCC 5
5.9K REF
+ 2.5V 23K
20K
2.8K
+ -
+ -
1 OUT
2 GND
3 INB INA 4
3 INB
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R105-033.G
UM605A/B
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS (TA = 25°C, unless otherwise specified.)
PARAMETER
SYMBOL
RATINGS
UNIT
Supply Voltage
VCC
-0.3 ~ +20
V
Recommended Operating Voltage Power Dissipation
VOPR PD
+4 ~ +20 250
V mW
Operating Temperature
TOPR
-25 ~ +85
°C
Storage Temp...