en5322 Enpirion, en5322 Datasheet - Page 5

• Manufacturer Part Number: en5322
• Description: 2 A Voltage Mode Synchronous Buck Pwm Dc-dc Converter With Integrated Inductor
• Manufacturer: Enpirion

March 2008
Functional Block Diagram
Figure 3. Functional Block Diagram.
©Enpirion 2008 all rights reserved, E&OE
ENABLE
Thermal Limit
Current Limit
Soft Start
UVLO
(+)
(-)
Generator
Sawtooth
Comp
PWM
AVIN
BIAS
AGND
Logic
VREF
Compensation
POK
Network
POK
Error
Amp
5
(-)
(+)
N-Drive
P-Drive
DAC
VS0 VS1 VS2
Voltage
Switch
Select
PVIN
Package Boundary
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EN5322QI
NC (SW)
VOUT
PGND
VSENSE
VFB