Active-Semi
Figure1:
Functional Block Diagram
ACT8309/8310/8311
Rev PrA, 24-Jan-08
Active-Semi
ACT8309
ACT8310
IN
ACT8311
EN
IN
OUT
POK
PWM
CONTROL
SW
OUT
GP
FB
G
Figure 2:
Typical Application Circuit
2.7V to 5.0V
10µF
OUT
10100k0Ωk?
IN
IN
Active-Semi
SW
EN ACT8311
FB
POK
GP G
3.3µH
549k?Ω
200k?Ω
OUT 3.0V
Up to 1.5A
22µF
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