Rev 1.3

vicorpower.com

Page 4 of 30

12/2015

800 927.9474

PI34xx-00

Functional Block Diagram

VIN

PGND

SYNCO

PGD

Q1

Q2

VCC

EN

SYNCI

TRK

EAO

ADJ

VS1

Power

Control

Interface

Memory

+

-

VOUT

REM

R4

R2

Vout

0Ω

R1

ZVS Control

1V

Vin

Absolute Maximum Ratings

Notes: At 25°C ambient temperature. Stresses beyond these limits may cause permanent damage to the device. Operation at these conditions or conditions

beyond those listed in the Electrical Characteristics is not guaranteed. All voltage nodes are referenced to PGND unless otherwise noted. Test conditions are

per the specifications within the individual product Electrical Characteristics.

Simplified Block Diagram (I2C pins SCL, SDA, ADR0, and ADR1 are for factory use only. Not for use in application.)

Name

Rating

-0.7 V to 22 V

VS1

-0.7 to 22 V, 25 V for 5 ns, -4 V for 5 ns

See relevant product section

SGND

100 mA

PGD, SYNCO, SYNCI, EN, EAO, ADJ, TRK, ADR1, ADR2, SCL, SDA, REM

-0.3 V to 5.5 V / 5 mA