PRODUCT DATASHEET
AAT1217
SwitchReg
TM
600mA, 1.2MHz, Micropower Synchronous Step-Up Converter
Typical Characteristics
No Load Input Current vs. Input Voltage
(V
OUT
= 3.3V; T
A
= 25°C; No Load)
°
1000
900
3.35
3.34
Output Voltage vs. Temperature
Input Current (µA)
Output Voltage (V)
1
1.5
2
2.5
3
800
700
600
500
400
300
200
100
0
3.33
3.32
3.31
3.3
3.29
3.28
3.27
3.26
3.25
-50
-25
0
25
50
75
100
Input Voltage (V)
Temperature (°C)
°
Light Load Mode Operation
(V
IN
= 1.8V; V
OUT
= 3.3V; I
OUT
= 5mA)
V
SW
2V/div
Anti-Ringing Operation at SW
(V
IN
= 2.4V; V
OUT
= 5V; I
OUT
= 20mA)
V
SW
2V/div
0V
0V
V
OUT
50mV/div
(AC)
Time (1ms/div)
Time (400ns/div)
(V
IN
= 1.5V; V
OUT
= 3.3V; C
FF
= 100pF)
Load Transient Response
I
OUT
50mA/div
0A
100mA
40mA
V
OUT
100mV/div
(AC)
Time (100µs/div)
6
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1217.2008.03.1.3
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