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| EP53A8LQI Datasheet, PDF (8/14 Pages) Enpirion, Inc. – 1000mA Synchronous Buck Regulator with Integrated Inductor | |||
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Functional Block Diagram
EP53A8LQI/EP53A8HQI
PVIN
ENABLE
UVLO
Thermal Limit
Current Limit
Soft Start
(-)
PWM
Comp
(+)
Sawtooth
Generator
Logic
P-Drive
N-Drive
Compensation
Network
NC(SW)
VOUT
PGND
VSENSE
(-)
Switch
Error
VFB
Amp
(+)
VREF
DAC
Voltage
Select
AVIN AGND
Package Boundry
VS0 VS1 VS2
Figure 5: Functional Block Diagram
©Enpirion 2009 all rights reserved, E&OE
03651
8
12/16/2009
www.enpirion.com
Rev:B
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