3953
FEATURES
I I I I I I I ± 1.3 A Continuous Output Current 50 V Output Voltage Rating 3 V to 5.5 V Logic Supply Voltage Internal PWM Current Control Saturated Sink Drivers (Below 1 A) Fast and Slow Current-Decay Modes Automotive Capable I Sleep (Low Current Consumption) Mode I Internal Transient Suppression Diodes I Internal Thermal Shutdown Circuitry I Crossover-Current and UVLO Protection
Always order by plete part number:
Part Number A3953SB A3953SLB Package 16-Pin DIP 16-Lead SOIC RθJA 43°C/W 67°C/W RθJT 6°C/W 6°C/W
3953 FULL-BRIDGE PWM MOTOR DRIVER
FUNCTIONAL BLOCK DIAGRAM
LOAD SUPPLY
LOGIC SUPPLY
6 VCC
SLEEP & STANDBY MODES
MODE 14 VBB PHASE 7 UVLO & TSD
ENABLE
BRAKE
1 +
PWM LATCH
INPUT LOGIC
LOAD SUPPLY
16 11 SENSE RS 12 13 GROUND
Dwg....
