Product Summary

The UDN2961W 3.4 A half bridges designed specifically for driving solenoid printheads, stepper motors, and dc motors. The UDN2961W consists of a power source driver output, a power sink driver output, a flyback recovery diode, internal current sensing circuitry, and a user-selectable fixed off-time chopper circuit.

Parametrics

UDN2961W absolute maximum ratings: (1)Supply Voltage, VBB: 45 V; (2)Output Current, IOUT (continuous): ±3.4 A, (tw ≤ 20 μs, 10% duty cycle): ±4.0 A; (3)Logic Supply Voltage, VCC: 7.0 V; (4)Input Voltage Range, VIN: -0.3 V to +7.0 V; (5)Operating Temperature Range, TA: -20°C to +85°C; (6)Junction Temperature, TJ: +150°C; (7)Storage Temperature Range, TS: -55°C to +150°C.

Features

UDN2961W features: (1)3.4 A, 45 V Source and Sink Drivers; (2)Internal Current Sensing; (3)User-Selectable Fixed Off-Time PWM Current Control; (4)Internal Flyback Diode; (5)Low Output Saturation Voltage; (6)Chip Enable; (7)Fast or Slow Current-Decay Modes; (8)Programmable Blanking Window; (9)Internal Thermal Shutdown Circuitry.

Diagrams

UDN2961W block diagram