廬
TDE1890
TDE1891
2A HIGH-SIDE DRIVER
INDUSTRIAL INTELLIGENT POWER SWITCH
2A OUTPUT CURRENT
18V TO 35V SUPPLY VOLTAGE RANGE
INTERNAL CURRENT LIMITING
THERMAL SHUTDOWN
OPEN GROUND PROTECTION
INTERNAL NEGATIVE VOLTAGE CLAMPING
TO V
S
- 50V FOR FAST DEMAGNETIZATION
DIFFERENTIAL INPUTS WITH LARGE COM-
MON MODE RANGE AND THRESHOLD
HYSTERESIS
UNDERVOLTAGELOCKOUT WITH HYSTERESIS
OPEN LOAD DETECTION
TWO DIAGNOSTIC OUTPUTS
OUTPUT STATUS LED DRIVER
DESCRIPTION
The TDE1890/1891 is a monolithic Intelligent
Power Switch in Multipower BCD Technology, for
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
MULTIWATT11 MULTIWATT11V PowerSO20
(In line)
ORDERING NUMBERS:
TDE1891L
TDE1890V
TDE1890D
TDE1891V
driving inductive or resistive loads. An internal
Clamping Diode enables the fast demagnetization
of inductive loads.
Diagnostic for CPU feedback and extensive use
of electrical protections make this device ex-
tremely rugged and specially suitable for indus-
trial automation applications.
July 1998
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