PRODUCT DATASHEET
AAT1217
SwitchRegTM
600mA, 1.2MHz, Micropower Synchronous Step-Up Converter
Typical Characteristics
No Load Input Current vs. Input Voltage
Output Voltage vs. Temperature
(VOUT = 3.3V; TA = 25°C; No Load)
1000
3.35
3.34
3.33
3.32
3.31
3.3
900
800
700
600
500
400
300
200
100
3.29
3.28
3.27
3.26
3.25
0
1
1.5
2
2.5
3
-50
-25
0
25
50
75
100
Input Voltage (V)
Temperature (°C)
Light Load Mode Operation
Anti-Ringing Operation at SW
(VIN = 2.4V; VOUT = 5V; IOUT = 20mA)
(VIN = 1.8V; VOUT = 3.3V; IOUT = 5mA)
VSW
2V/div
VSW
2V/div
0V
0V
VOUT
50mV/div
(AC)
Time (1ms/div)
Time (400ns/div)
Load Transient Response
(VIN = 1.5V; VOUT = 3.3V; CFF = 100pF)
100mA
IOUT
50mA/div
40mA
0A
VOUT
100mV/div
(AC)
Time (100µs/div)
w w w . a n a l o g i c t e c h . c o m
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1217.2008.03.1.3
ANALOGICTECH [ ADVANCED ANALOGIC TECHNOLOGIES ]
