EP53A7LQI Datasheet, PDF (10/19 Pages) Altera Corporation – 1A PowerSoC Light Load Mode Buck Regulator with Integrated Inductor

Functional Block Diagram
EP53A7LQI/EP53A7HQI
LLM
PVIN
ENABLE
UVLO
Thermal Limit
Current Limit
Soft Start
(-)
PWM
Comp
(+)
Sawtooth
Generator
Mode Logic
Logic
P-Drive
N-Drive
Compensation
Network
NC(SW)
V_OUT
PGND
VSENSE
(-)
Switch
Error
V_FB
Amp
(+)
VREF
DAC
Voltage
Select
AVIN AGND
Package Boundry
VS0 VS1 VS2
Figure 5: Functional Block Diagram
01543
10
October 11, 2013
www.altera.com/enpirion
Rev D