Datasheet Specifications
- Part number
- 3977
- Manufacturer
- Allegro MicroSystems
- File Size
- 569.24 KB
- Datasheet
- 3977_AllegroMicroSystems.pdf
- Description
- MICROSTEPPING DMOS DRIVER WITH TRANSLATOR
Description
3977 A3977xED (PLCC) LOAD SUPPLY 1 SENSE 1 ENABLE OUT 1A HOME GND GND GND SLEEP OUT 1B MICROSTEPPING DMOS DRIVER WITH TRANSLATOR The A3977xED and A39.
Features
* ±2.5 A, 35 V Output Rating Low rDS(on) Outputs, 0.45 Ω Source, 0.36 Ω Sink Typical Automatic Current Decay Mode Detection/Selection 3.0 V to 5.5 V Logic Supply Voltage Range Mixed, Fast, and Slow Current Decay Modes Home Output Synchronous RectifApplications
* where a complex µP is unavailable or over-burdened. Internal synchronous-rectification control circuitry is provided to improve power dissipation during PWM operation. Internal circuit protection includes thermal shutdown with hysteresis, under-voltage lockout (UVLO) and crossover-current protection3977 Distributors
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