50m鈩?/div>
2.8A
36 V
OUTPUT CURRENT (CONTINUOUS): 2.8A
s
DIGITAL INPUT CLAMPED AT 32V
s
PROTECTION AGAINST: LOSS OF GROUND,
SHORTED LOAD AND OVERTEMPERATURE
s
BUILT-IN CURRENT LIMITER
s
UNDER VOLTAGE SHUT DOWN
s
OPEN DRAIN DIAGNOSTIC OUTPUT
s
FAST DEMAGNETIZATION OF INDUCTIVE
LOADS.
s
PENTAWATT(011Y)
PENTAWATT(012Y)
10
1
PENTAWATT
PowerSO-10
TM
DESCRIPTION
The
VN540,
VN540SP,
VN540(011Y),
VN540(012Y) is a monolithic device 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 over temperature. The open
drain diagnostic output indicates over temperature
conditions.
BLOCK DIAGRAM
ORDER CODES
PENTAWATT vertical
VN540
PENTAWATT horizontal VN540(011Y)
PENTAWATT straight
VN540(012Y)
TM
PowerSO-10
VN540SP
V
CC
UNDERVOLTAGE
INPUT
STATUS
CONTROL
LOGIC
DRIVER
OUTPUT
CURRENT
LIMITER
OVERTE MP
NEGATIVE V
CC
PROTECTION
GROUND
October 1999
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