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Low Quiescent Current_Low Dropout CMOS Voltage Regulator
AMS53XX Series 500mA
The AMS53XX series is a family of Low Quiescent
Low Dropout Positive regulators. developed using
CMOS technology.
These ICS perform with high output voltage
accuracy, low quiescent current , Output current
500mA,
The allow operation voltage as high as 10V.
■ Ferture:
·high output voltage accuracy
±2%
·low dropout voltage
1.5mV Iout=1mA
·low quiescent current
⒈2uA
·Max input voltage
10V
·Output current
500mA
Applications
·Power source for home electric/electronic appliances
·Power source for battery-powered devices
·Power source for personal communication devices
Selection table
Part NO.
Output voltage
(Note)
Tolerance
MARK
SOT-89 TO-92
MARK
SOT-23-3
AMS5312
AMS5315
AMS5318
AMS5321
AMS5325
AMS5327
1.2V
1.5V
1.8V
2.1V
2.5V
2.7V
±2%
±2%
±2%
±2%
±2%
±2%
MD5-12
MD5-15
MD5-18
MD5-21
MD5-25
MD5-27
M512
M515
M518
M521
M525
M527
AMS5328
2.8V
±2%
MD5-28
M528
AMS5330
3.0V
±2%
MD5-30
M530
AMS5333
3.3V
±2%
MD5-33
M533
AMS5336
3.6V
±2%
MD5-36
M536
AMS5338
3.8V
±2%
MD5-38
M538
AMS5344
4.4V
±2%
MD5-44
M544
AMS5350
5.0V
±2%
MD5-50
M550
NOTE: for semi_custom parts selectable output voltage from 1.2~7.0V in 0.1v
increment
1

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Package and Pin Assignment
Figure 1
Absolute Maximum Ratings
(Ta=25℃ unless otherwise specified)
Item
Symbol
Absolute Maximum
Unit
Ratings
Input voltage
Output voltage
Power
dissipation
VIN
VOUT
PD
12
Vss-0.3~ VIN+0.3
SOT_89 500
TO_92 300
V
Mw
SOT_23 200
Operation temperature
range
Topr
-40~+85
Storage temperature
range
Tstg
-40~+125
Caution The absolute maximum ratings are rated values exceeding which the
product could suffer physical damage. These values must therefore not
be exceeded under any conditions.
Electrical Characteristics
AMS53XX series(MD5312,Output voltage +1.2V) (Ta=25℃ unless otherwise specified)
ITEM
SYMBOL
Output voltage
Output current
*1
Dropout voltage
*2
Line regulation
Load regulation
VOUT
IOUT
Vdrop
△VOUT1
△VIN·VOUT
△VOUT2
Temperature
coefficient
Current
consumption
Input voltage
Short current
limit
△VOUT
△Ta·VOUT
ISS1
VIN
Ilim
CONDITIONS
VIN=2. 2V,IOUT=40mA
VIN= 2.2V
IOUT=10 mA
IOUT=100 mA
2.2V≤VIN≤10V
IOUT=10mA
VIN=2.2V
1.0mA≤IOUT≤100mA
VIN=2.2V,IOUT=1mA
-40℃≤Ta≤85℃
VIN=10V No Load
--
Vout=0V
MIN TYPE
MAX
1.176
180
1.2
25
280
0.05
1.224
35
380
0.2
15 30
±50 ±100
1.2 2.5
10
50 70
UNITS
V
mA
mV
Test
circuits
1
3
1
/V
mV
Ppm/℃
uA 2
V
mA
2

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AMS53XX series(MD5315,Output voltage +1.5V) (Ta=25℃ unless otherwise specified)
ITEM
SYMBOL
Output voltage
Output current
*1
Dropout voltage
*2
Line regulation
Load regulation
VOUT
IOUT
Vdrop
△VOUT1
△VIN·VOUT
△VOUT2
Temperature
coefficient
Current
consumption
△VOUT
△Ta·VOUT
ISS1
CONDITIONS
VIN=2. 5V,IOUT=40mA
VIN= 2.5V
IOUT=10 mA
IOUT=100 mA
2.5V≤VIN≤10V
IOUT=10mA
VIN=2.5V
1.0mA≤IOUT≤100mA
VIN=2.5V,IOUT=1mA
-40℃≤Ta≤85℃
VIN=10V No Load
MIN TYPE MAX
1.470 1.5 1.530
220
20 28
200 280
0.05 0.2
UNITS
V
mA
mV
Test
circuits
1
3
1
/V
15 30
mV
±50 ±100 Ppm/℃
1.2 2.5
uA
2
Input voltage
Short current
limit
VIN
Ilim
--
Vout=0V
10
50 70
V
mA
AMS53XX series(MD5318,Output voltage +1.8V) (Ta=25℃ unless otherwise specified)
ITEM
SYMBOL
Output voltage
Output current
*1
Dropout voltage
*2
Line regulation
Load regulation
VOUT
IOUT
Vdrop
△VOUT1
△VIN·VOUT
△VOUT2
Temperature
coefficient
Current
consumption
△VOUT
△Ta·VOUT
ISS1
CONDITIONS
VIN=2. 8V,IOUT=40mA
VIN= 2.8V
IOUT=10 mA
IOUT=100 mA
2.8V≤VIN≤10V
IOUT=1mA
VIN=2.8V
1.0mA≤IOUT≤150mA
VIN=2.8V,IOUT=1mA
-40℃≤Ta≤85℃
VIN=10V No Load
MIN TYPE MAX
1.764 1.8 1.836
280
15 21
140 210
0.05 0.2
UNITS
V
mA
mV
Test
circuits
1
3
1
/V
30 45
mV
±50 ±100 Ppm/℃
1.2 2.5
uA
2
Input voltage
VIN
--
10 V
Short current
limit
Ilim
Vout=0V
50 70
mA
3

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AMS53XX series(MD5321,Output voltage +2.1V) (Ta=25℃ unless otherwise specified)
ITEM
SYMBOL
Output voltage
Output current
*1
Dropout voltage
*2
Line regulation
Load regulation
VOUT
IOUT
Vdrop
△VOUT1
△VIN·VOUT
△VOUT2
Temperature
coefficient
Current
consumption
△VOUT
△Ta·VOUT
ISS1
CONDITIONS
VIN= 3.1V,IOUT=40mA
VIN= 3.1V
IOUT=10 mA
IOUT=100 mA
3.1V≤VIN≤10V
IOUT=1mA
VIN=3.1V
1.0mA≤IOUT≤150mA
VIN=3.1V,IOUT=10mA
-40℃≤Ta≤85℃
VIN=10V No Load
MIN TYPE MAX
2.058 2.1 2.142
320
13 18
130 180
0.05 0.2
UNITS
V
mA
mV
Test
circuits
1
3
1
/V
30 45
mV
±50 ±100 Ppm/℃
1.2 2.5
uA
2
Input voltage
Short current
limit
VIN
Ilim
--
Vout=0V
10
50 70
V
mA
AMS53XX series(MD5325,Output voltage +2.5V) (Ta=25℃ unless otherwise specified)
ITEM
SYMBOL
Output voltage
Output current
*1
Dropout voltage
*2
Line regulation
Load regulation
VOUT
IOUT
Vdrop
△VOUT1
△VIN·VOUT
△VOUT2
Temperature
coefficient
Current
consumption
△VOUT
△Ta·VOUT
ISS1
CONDITIONS
VIN= 3.5V,IOUT=50mA
VIN= 3.5V
IOUT=10 mA
IOUT=100 mA
3.5V≤VIN≤10V
IOUT=1mA
VIN=3.5V
1.0mA≤IOUT≤150mA
VIN=3.5V,IOUT=10mA
-40℃≤Ta≤85℃
VIN=10V No Load
MIN TYPE MAX
2.450 2.5 2.550
350
12 17
120 170
0.05 0.2
UNITS
V
mA
mV
Test
circuits
1
3
1
/V
30 45
mV
±50 ±100 Ppm/℃
1.2 2.5
uA
2
Input voltage
VIN
--
10 V
Short current
limit
Ilim
Vout=0V
50 70
mA
4

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AMS53XX series(MD5327,Output voltage +2.7V) (Ta=25℃ unless otherwise specified)
ITEM
SYMBOL
Output voltage
Output current
*1
Dropout voltage
*2
Line regulation
Load regulation
VOUT
IOUT
Vdrop
△VOUT1
△VIN·VOUT
△VOUT2
Temperature
coefficient
Current
consumption
△VOUT
△Ta·VOUT
ISS1
CONDITIONS
VIN= 3.7V,IOUT=50mA
VIN= 3.7V
IOUT=10 mA
IOUT=200 mA
3.7V≤VIN≤10V
IOUT=1mA
VIN=3.7V
1.0mA≤IOUT≤150mA
VIN=3.7V,IOUT=10mA
-40℃≤Ta≤85℃
VIN=10V No Load
MIN TYPE MAX
2.646 2.7 2.754
400
12 18
220 300
0.05 0.2
UNITS
V
mA
mV
Test
circuits
1
3
1
/V
25 40
mV
±50 ±100 Ppm/℃
1.2 2.5
uA
2
Input voltage
Short current
limit
VIN
Ilim
--
Vout=0V
10
50 70
V
mA
AMS53XX series(MD5328,Output voltage +2.8V) (Ta=25℃ unless otherwise specified)
ITEM
SYMBOL
Output voltage
Output current
*1
Dropout voltage
*2
Line regulation
Load regulation
VOUT
IOUT
Vdrop
△VOUT1
△VIN·VOUT
△VOUT2
Temperature
coefficient
Current
consumption
△VOUT
△Ta·VOUT
ISS1
CONDITIONS
VIN= 3.8V,IOUT=50mA
VIN= 3.8V
IOUT=10 mA
IOUT=200 mA
3.8V≤VIN≤10V
IOUT=1mA
VIN=3.8V
1.0mA≤IOUT≤150mA
VIN=3.8V,IOUT=10mA
-40℃≤Ta≤85℃
VIN=10V No Load
MIN TYPE MAX
2.744 2.8 2.856
400
12 18
220 300
0.05 0.2
UNITS
V
mA
mV
Test
circuits
1
3
1
/V
25 40
mV
±50 ±100 Ppm/℃
1.2 2.5
uA
2
Input voltage
VIN
--
10 V
Short current
limit
Ilim
Vout=0V
50 70
mA
5