PRODUCT DATASHEET
AAT1276
SwitchReg
TM
Typical Characteristics
Light Load Switching Waveform
(V
IN
= 3.6V; V
OUT
= 5.0V; 10mA Load)
V
LX
(2V/div)
V
OUT1
(25mV/div)
V
OUT2
(25mV/div)
I
LX
(500mA/div)
Time (5µs/div)
Boost Converter with USB Power Switch
Heavy Load Switching Waveform
(V
IN
= 3.6V; V
OUT
= 5.0V; 500mA Load)
V
LX
(2V/div)
V
OUT1
(100mV/div)
V
OUT2
(100mV/div)
I
LX
(500mA/div)
Time (500ns/div)
Load Transient Response
(V
IN
= 3.6V; V
OUT
= 5.0V)
5.062V
Load Transient Response
(V
IN
= 3.6V; V
OUT
= 5.0V)
5.0V
V
OUT
(100mV/div)
4.87V
500mA
V
OUT
(50mV/div)
500mA
4.92V
I
OUT
(400mA/div)
1mA
I
OUT
(200mA/div)
250mA
Time (100µs/div)
Time (100µs/div)
Line Transient Response
(16Ω Load)
Ω
250
4.2V
Load Switch R
DS(ON)
vs. Input Voltage
85°C
200
120°C
R
DS(ON)
(mΩ)
Ω
V
IN
(500mV/div)
5.064V
3.6V
150
100
50
V
OUT
(200mV/div)
4.752V
-40°C
25°C
0
2.5
2.7
2.9
3.1
3.3
3.5
3.7
3.9
4.1
4.3
4.5
Time (100µs/div)
Supply Voltage (V)
6
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1276.2007.11.1.1
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