UNISONIC TECHNOLOGIES CO., LTD
UM605A/B
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.
LINEAR INTEGRATED CIRCUIT
FEATURES
* Small SOT-25 package
* Internal accurate 2.5V / 1.25V V
REF
* Reduced external components
ORDERING INFORMATION
Ordering Number
Lead Free
UM605AL-AF5-R
UM605BL-AF5-R
Halogen Free
UM605AG-AF5-R
UM605BG-AF5-R
Package
SOT-25
SOT-25
Packing
Tape Reel
Tape Reel
www.unisonic.com.tw
Copyright © 2011 Unisonic Technologies Co., Ltd
1 of 5
QW-R105-033.C
UM605A/B
MARKING AND PIN DESCRIPTION
LINEAR INTEGRATED CIRCUIT
3
2
1
UME2□
4
5
G: Halogen Free
L : Lead Free
PIN NO.
PIN NAME
FUNCTION
INTERNAL CIRCUIT DIAGRAM
1
1
OUT
Output Pin
2
3
GND
IN
A
Ground
Input Pin
4
5
IN
B
V
CC
Supply Voltage
3
4
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
2 of 5
QW-R105-033.C
UM605A/B
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
3 of 5
QW-R105-033.C
UM605A/B
PARAMETER
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
(Ta = 25℃, unless otherwise specified.)
SYMBOL
RATINGS
UNIT
Supply Voltage
V
CC
-0.3 ~ +20
V
Recommended Operating Voltage
V
OPR
+4 ~ +20
V
Power Dissipation
P
D
250
mW
Operating Temperature
T
OPR
-25 ~ +85
℃
Storage Temperature
T
STG
-40 ~ +125
℃
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(V
CC
=5V, Ta=25℃, unless otherwise specified.)
FOR UM605A
PARAMETER
Current Consumption
A AMPLIFIER
Output Inverting Voltage
Output Sink Current
Input Bias Current
PSRR
B AMPLIFIER
Output Inverting Voltage
Output Sink Current
Input Bias Current
PSRR
SYMBOL
TEST CONDITIONS
I
CC
IN
A
=0V, IN
B
=0V, R
L
=∞
IN
A
=0V, R
L
=4.3k
I
O(SINK A)
IN
B
=2.7V, IN
A
=0V, V
OUT
=1.5V
I
I(BIAS A)
IN
A
=0V, R
L
=4.3k
PSRR(A) IN
A
=0V, R
L
=4.3k
IN
B
=0V, R
L
=4.3k
I
O(SINK B)
IN
B
=0V, IN
A
=0.17V, V
OUT
=1.5V
I
I(BIAS B)
IN
B
=0V, R
L
=4.3k
PSRR(B) IN
B
=0V, R
L
=4.3k
SYMBOL
TEST CONDITIONS
I
CC
IN
A
=0V, IN
B
=0V, R
L
=∞
IN
A
=0V, R
L
=4.3k
I
O(SINK A)
IN
B
=2.7V, IN
A
=0V, V
OUT
=1.5V
I
I(BIAS A)
IN
A
=0V, R
L
=4.3k
PSRR(A) IN
A
=0V, R
L
=4.3k
IN
B
=0V, R
L
=4.3k
I
O(SINK B)
IN
B
=0V, IN
A
=0.17V, V
OUT
=1.5V
I
I(BIAS B)
IN
B
=0V, R
L
=4.3k
PSRR(B) IN
B
=0V, R
L
=4.3k
V
B
V
A
V
B
V
A
MIN
TYP
2.4
2.50
50
50
152
5
50
65
MIN
TYP
1.2
1.25
50
62
152
5
50
65
160
140
MAX
1.7
1.275
140
160
140
MAX
3.4
2.55
140
UNIT
mA
V
mA
nA
dB
mV
mA
nA
dB
UNIT
mA
V
mA
nA
dB
mV
mA
nA
dB
2.45
5
FOR UM605B
PARAMETER
Current Consumption
A AMPLIFIER
Output Inverting Voltage
Output Sink Current
Input Bias Current
PSRR
B AMPLIFIER
Output Inverting Voltage
Output Sink Current
Input Bias Current
PSRR
1.225
5
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 5
QW-R105-033.C
UM605A/B
APPLICATION CIRCUIT
0.001μ/1kV
56k
LINEAR INTEGRATED CIRCUIT
B+
68μH
2.2k
1k
+
100
51k
+
1M
5
4
0.1μF
2.2k
+
100μ
/16V
0.1μF
680μ
/8V
+
8.3μ/250V
0.022μF
+
100μ
/16V
1
2
3
0.1μF
8.2k
0.033μF
360
360
GND
0.22
2.7k
100
100
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 5
QW-R105-033.C
京公网安备 11010802033920号
EEWORLD
