PRODUCT DATASHEET
AAT2601178
Total Power Solution for Portable Applications
Typical Characteristics—General
Quiescent Current vs. Input Voltage
(VOUT = 1.8V; L = 3.3µH)
Start-up Sequence
(VCHGIN = 5.0V)
500
450
400
350
300
250
200
150
Buck
LDO1
LDO2
LDO3
LDO4
LDO5
-40°C
100
25°C
50
85°C
VBAT
4.2
VCHGIN
4.7
0
2.7
3.2
3.7
5.2
5.7
Input VBAT, VCHGIN (V)
Time (50µs/div)
LDO Output Voltage Noise
(No Load; Power BW: 100~100KHz)
LDO Output Voltage Noise
(IOUT3 = 10mA, Power BW = 100~100KHz)
6.00
5.40
4.80
4.20
3.60
3.00
2.40
1.80
1.20
0.60
0.00
6.00
5.40
4.80
4.20
3.60
3.00
2.40
1.80
1.20
0.60
0.00
100
1000
10000
100000
100
1000
10000
100000
Frequency (Hz)
Frequency (Hz)
LDO Power Supply Rejection Ratio, PSRR
(IOUT3 = 10mA, BW = 100~100KHz)
150
135
120
105
90
75
60
45
30
15
0
100
1000
10000
100000
Frequency (Hz)
w w w . a n a l o g i c t e c h . c o m
18
2601.2008.01.1.0
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
