Datasheet

Rev 1
November 2005 1/13
13
VN540-E / VN540SP-E
VN540-12-E
SINGLE HIGH SIDE SMART
POWER SOLID STATE RELAY
General Features
OUTPUT CURRENT (CONTINUOUS) : 2.8A
DIGITAL INPUT CLAMPED AT 32V
PROTECTION AGAINST:
LOSS OF GROUND
SHORTED LOAD AND OVER-
TEMPERATURE
BUILT-IN CURRENT LIMITER
UNDERVOLTAGE SHUT-DOWN
OPEN DRAIN DIAGNOSTIC OUTPUT
FAST DEMAGNETIZATION OF INDUCTIVE
LOADS
Description
The VN540-E, VN540SP-E, VN540-12-E are
monolithic devices designed in
STMicroelectronics VIPower technology, intended
for driving resistive or inductive loads with one
side connected to ground. Active current limitation
avoids the system power supply dropping in case
of shorted load. Built-in thermal shut-down
protects the chip from overtemperature. The open
drain diagnostic output indicates over-
temperature conditions.
Type
V
demag
R
DSon
I
out
V
CC
VN540-E
VN540SP-E
VN540-12-E
V
CC
-55V
50m 2.8A 36V
PENTAWATT(012Y) PENTAWATT
PowerSO-10
TM
www.st.com
Block Diagram

Summary of content (13 pages)