PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
Typical Characteristics—LDO1
LDO1 Load Regulation vs. Output Current
(VOUT1 = 3.0V)
LDO1 Line Regulation vs. Battery
and CHGIN Input Voltage
(VOUT1 = 3.0V)
1.0
0.8
0.6
0.4
0.2
0.05
0.03
0.01
-0.01
VBAT = 4.2V
-0.03
0.0
IOUT = 0.01mA
IOUT = 1mA
-0.05
-0.2
-0.07
-0.09
-0.11
-0.13
-0.15
IOUT = 10mA
IOUT = 50mA
OUT = 100mA
IOUT = 200mA
-0.4
VBAT = 3.6V
I
-0.6
-0.8
-1.0
VBAT = 3.3V
I
OUT = 300mA
VBAT
4.2
VCHGIN
4.5
0.1
1
10
100
1000
3
3.5
4
5
5.5
6
Output Current (mA)
Input Voltage VBAT, VCHGIN (V)
LDO1 Output Voltage vs. Temperature
(IOUT1 = 10mA)
LDO1 Dropout Characteristics vs. Input Voltage
(VOUT1 = 3.0V)
3.10
3.05
3.00
3.004
3.002
3.000
2.998
2.95
2.90
2.85
2.80
IOUT = 1mA
IOUT = 50mA
IOUT = 100mA
VCHGIN = 6.0V
VCHGIN = 5.5V
VCHGIN = 5.0V
VCHGIN = 4.5V
VBAT = 4.2V
VBAT = 3.6V
VBAT = 3.1V
2.996
2.994
2.992
I
OUT = 150mA
IOUT = 200mA
OUT = 250mA
I
IOUT = 300mA
3.0
3.1
3.2
3.3
3.4
3.5 3.6
-50
-25
0
25
50
75
100
Temperature (°C)
Input Voltage (V)
LDO1 Dropout Voltage vs. Output Current
(VOUT1 = 3.0V)
VBAT Line Transient Response LDO1
(VBAT = 3.5V to 4.2V; IOUT1 = 300mA; VOUT1 = 3V)
200
180
160
140
120
100
80
3.02
3.01
3.00
2.99
2.98
VO
4.5
4.0
3.5
3.0
60
-40°C
25°C
85°C
VBAT
40
20
0
0
50
100
150
200
250
300
Output Current (mA)
Time (100µs/div)
w w w . a n a l o g i c t e c h . c o m
14
2601.2008.01.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
