PRODUCT DATASHEET
AAT1218
TM
SwitchReg
1A, 1.2MHz Synchronous Boost Converter
Typical Characteristics
VIN = 3.6V, VOUT = 3.6V, CIN = 22μF, COUT = 44uF; L = 2.2μH; TA = 25°C, unless otherwise noted.
Power Saving Mode Waveform
PWM Mode Waveform
(VIN = 3.6V; VOUT = 5V; Load = 5mA)
(VIN = 3.6V; VOUT = 5V; Load = 1A)
IL
(250mA/div)
VIN
IL
(1A/div)
0
0
0
VIN
(AC Coupled)
(20mV/div)
VOUT
(AC Coupled)
(20mV/div)
VOUT
0
0
0
(AC Coupled)
(20mV/div)
(AC Coupled)
(20mV/div)
LX
LX
(2V/div)
(2V/div)
0
0
Time (4µs/div)
Time (0.4µs/div)
w w w . a n a l o g i c t e c h . c o m
1218.2008.10.1.1
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