EP5388QI Datasheet, PDF (3/13 Pages) Enpirion, Inc. – 800mA Synchronous Buck Regulator With Integrated Inductor 3mm x 3mm x 1.1mm Package

Functional Block Diagram
EP5388QI
V_IN
ENABLE
UVLO
Thermal Limit
Current Limit
Soft Start
(-)
PWM
Comp
(+)
Sawtooth
Generator
Figure 3. Functional block diagram.
Logic
P-Drive
N-Drive
Compensation
Network
(-)
Error
Amp
(+)
VREF
DAC
Switch
NC(SW)
V_OUT
GND
V_SENSE
V_FB
Voltage
Select
Package Boundry
VS0 VS1 VS2
02377
October 11, 2013
www.altera.com/enpirion Page 3
Rev D