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UC3517

Features: · Complete Motor Driver and Encoder· Continuous Drive Capability 350mA per Phase· Contains all Required Logic for Full and Half Stepping· Bilevel Operation for Fast Step Rates· Operates as a Voltage Doubler· Useable as a Phase Generator and/or as a Driver· Power-On Reset Guarantees Safe,...

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SeekIC No. : 004535545 Detail

UC3517: Features: · Complete Motor Driver and Encoder· Continuous Drive Capability 350mA per Phase· Contains all Required Logic for Full and Half Stepping· Bilevel Operation for Fast Step Rates· Operates as...

UC3517 Data Sheet

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Part Number:
UC3517
Supply Ability:
5000

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

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Product Details

Description



Features:

· Complete Motor Driver and Encoder
· Continuous Drive Capability 350mA per Phase
· Contains all Required Logic for Full and Half Stepping
· Bilevel Operation for Fast Step Rates
· Operates as a Voltage Doubler
· Useable as a Phase Generator and/or as a Driver
· Power-On Reset Guarantees Safe, Predictable Power-Up


Pinout

Connection Diagram


Specifications

Second Level Supply, VSS . . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Phase Output Supply, VMM . . . . . . . . . . . . . . . . . . . . . . . . . 40V
Logic Supply, VCC. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . 7V
Logic Input Voltage . . . . . . . . . . . . . . . . . . . . . . . .  -.3V to +7V
Logic Input Current . . . . . . . . . . . . . . . . . . . . . . . . .  . . ±10mA
Output Current, Each Phase . . . . . . . . . . . . . . . . . . . . . 500mA
Output Current, Emitter Follower . . . . . . . . . . . . . . .  . -500mA
Power Dissipation, (Note). . . . . . . . . . . . . . . . . . . . . . . .  .. 1W
Power Dissipation, (Note) . . . . . . . . . . . . . . . . . . . . . . .. ... 2W
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . .  150°C
Ambient Temperature, UC1517. . . . . . . . . ..-55°C to +125°C
Ambient Temperature, UC3517 . . . . . . . . . . . . 0°C to +70°C
Storage Temperature . . . . . . . . . . . . . . . . .-55°C to +150°C

Note: Consult Packaging section of Databook for thermal limitations and considerations of package.


Description

The UC3517 contains four NPN drivers that operate in two-phase fashion for full-step and half-step motor control. The UC3517 also contains two emitter followers, two monostables, phase decoder logic, power-on reset, and low-voltage protection, making it a versatile system for driving small stepper motors or for controlling large power devices.

The emitter followers and monostables in the UC3517 are configured to apply higher-voltage pulses to the motor at each step command. This drive technique, called "Bilevel," allows faster stepping than common resistive current limiting, yet generates less electrical noise than chopping techniques.




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