L9997ND Datasheet, PDF (1/9 Pages) STMicroelectronics – DUAL HALF BRIDGE DRIVER

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L9997ND
DUAL HALF BRIDGE DRIVER
HALF BRIDGE OUTPUTS WITH TYPICAL
RON = 0.7Ω
OUTPUT CURRENT CAPABILITY ±1.2A
OPERATING SUPPLY VOLTAGE RANGE 7V
TO 16.5V
SUPPLY OVERVOLTAGE PROTECTION
FUNCTION FOR VVS UP TO 40V
VERY LOW QUIESCENT CURRENT IN
STANDBY MODE < 1µA
CMOS COMPATIBLE INPUTS WITH HYS-
TERESIS
OUTPUT SHORT-CIRCUIT PROTECTION
THERMAL SHUTDOWN
REAL TIME DIAGNOSTIC: THERMAL OVER-
LOAD, OVERVOLTAGE
MULTIPOWER BCD TECHNOLOGY
SO20 (12+4+4)
ORDERING NUMBERS: L9997ND
L9997ND013TR
DESCRIPTION
The L9997ND is a monolithic integrated driver, in
BCD technology intended to drive various loads,
including DC motors. The circuit is optimized for
automotive electronics enviromental conditions.
BLOCK DIAGRAM
VS
1
EN
10
VS
ENABLE
REFERENCE PROTECTION
BIAS
FUNC TIONS
VS
DIAG
11
5V
IN1
12
DRIVER 1
OUT1
19
IN2
9
April 1999
DRIVER 2
M
VS
OUT2
2
GND
4...7, 14...17
1/9