AAT1270_08 Datasheet, PDF (8/18 Pages) Advanced Analogic Technologies – 1A Step-Up Current Regulator for Flash LEDs

SwitchReg^TM
Typical Characteristics
Movie Mode Line Transient
(68.5mA/ch; V_IN = 4.2V to 3.6V)
V_IN
(500mV/div)
I_LED
(AC coupled)
(50mA/div)
4.2V
3.6V
Time (50µs/div)
PRODUCT DATASHEET
AAT1270
1A Step-Up Current Regulator for Flash LEDs
EN/SET
(2V/div)
V_OUT
(AC coupled)
(100mV/div)
V_SINK
(AC coupled)
(200mV/div)
I_LED
(100mA/div)
Movie Mode Current Transition
(68.5mA/ch to 13.7mA/ch)
3.3V
0A
Time (200µs/div)
8
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1270.2008.07.1.5