AAT1276 Datasheet, PDF (6/18 Pages) Advanced Analogic Technologies – Boost Converter with USB Power Switch

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)
V_OUT
(100mV/div)
I_OUT
(400mA/div)
Load Transient Response
(V_IN = 3.6V; V_OUT = 5.0V)
5.062V
500mA
1mA
4.87V
Time (100µs/div)
V_IN
(500mV/div)
V_OUT
(200mV/div)
Line Transient Response
(16Ω Load)
4.2V
3.6V
5.064V
4.752V
Time (100µs/div)
PRODUCT DATASHEET
AAT1276
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)
V_OUT
(50mV/div)
I_OUT
(200mA/div)
Load Transient Response
(V_IN = 3.6V; V_OUT = 5.0V)
5.0V
4.92V
500mA
250mA
Time (100µs/div)
Load Switch R_DS(ON) vs. Input Voltage
250
85°C
120°C
200
150
100
-40°C
25°C
50
0
2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5
Supply Voltage (V)
6
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1276.2007.11.1.1