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A3965

Features: ±500 mA, 20 V Output Rating2.85 to 5.5V Logic Supply OperationSleep Mode for Minimum Power ConsumptionFixed Frequency PWMOffset On Pulses to Minimize Peak Supply Transient CurrentsInternal UVLO and Thermal Shutdown CircuitryCrossover-Current ProtectionSpecificationsLoad Supply Voltage, V...

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A3965: Features: ±500 mA, 20 V Output Rating2.85 to 5.5V Logic Supply OperationSleep Mode for Minimum Power ConsumptionFixed Frequency PWMOffset On Pulses to Minimize Peak Supply Transient CurrentsInternal...

A3965 Data Sheet

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Part Number:
A3965
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/7/15

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Product Details

Description



Features:

±500 mA, 20 V Output Rating
2.85 to 5.5V Logic Supply Operation
Sleep Mode for Minimum Power Consumption
Fixed Frequency PWM
Offset On Pulses to Minimize Peak Supply Transient Currents
Internal UVLO and Thermal Shutdown Circuitry
Crossover-Current Protection


Specifications

Load Supply Voltage, VBB ....................................20 V
Output Current, IOUT...................................±500 mA*
Logic Supply Voltage, VDD..................................7.0 V
Logic Input Voltage Range,
VIN ...........................................-0.3 V to VDD + 0.3 V
(tW<30ns) .....................................-1.0V to VDD +1V
Sense Voltage, VSENSE.....................................0.5 V
Reference Voltage, VREF .....................................3 V
Package Power Dissipation (TA = +25°C), PD
A3965SLB................................................50°C/W**
Operating Temperature Range,
TA ..................................................-20°C to +85°C
Junction Temperature, TJ ............................ +150°C
Storage Temperature Range,
TS.................................................-55°C to +150°C



Description

Designed for Pulse Width Modulated (PWM) current control of low voltage stepper motors, the A3965S is capable of output currents to ± 500 mA and operating voltages to 20 V.

The A3965 is particularly attractive for low power or battery operated motors where minimal power consumption is desired. A SLEEP mode disables all circuitry and typically draws less than 1A supply current from motor and logic supply. During operation the fixed frequency ON pulses of each H-bridge are 180 degrees out of phase to minimize the peak demand required of the motor supply allowing savings in size and cost of external power supply components.




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