2960LMB, 2961, 296-10310-5-ND Selling Leads, Datasheet
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2960LMB, 2961, 296-10310-5-ND Datasheet download
Part Number: 2960LMB
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Package Cooled: LCC52
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2960LMB, 2961, 296-10310-5-ND
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Info of 2960LMB
Info of 2961
Info of 296-10310-5-ND
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About 2961
PDF/DataSheet Download
Datasheet: 2961
File Size: 96372 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
About 2961
PDF/DataSheet Download
Datasheet: 2961
File Size: 96372 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
About 2961
PDF/DataSheet Download
Datasheet: 2961
File Size: 96372 KB
Manufacturer: ALLEGRO [Allegro MicroSystems]
Download : Click here to Download
2961 General Description
The UDN2961B and UDN2961W are 3.4 A half bridges designed specifically for driving solenoid printheads, stepper motors, and dc motors. The UDN2961B/W 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.
The output drivers are capable of sustaining 45 V with continuous currents of ±3.4 A and peak transient currents of ±4 A permitted. The outputs have been optimized for a low output saturation voltage (typically 2.6 V total source plus sink drops at 3.4 A).
For output current control, load current is sensed internally and limited by chopping the output driver(s) in a user-selectable fixed off-time PWM mode. The maximum output current is determined by theuser's selection of a reference voltage. The MODE pin determines whether the current control circuitry will chop in a slow current-decay mode (only the source driver switching) or in a fast current-decay mode (source and sink switching). A user-selectable blanking window prevents false triggering of the current control circuitry during chopping.
The UDN2961B is supplied in a 16-pin dual in-line plastic batwing package with a copper lead-frame and heat sinkable tabs for improved power dissipation capabilities. For higher power dissipation require-ments, the UDN2961W is supplied in a 12-pin single in-line power tab package.
The output drivers are capable of sustaining 45 V with continuous currents of ±3.4 A and peak transient currents of ±4 A permitted. The outputs have been optimized for a low output saturation voltage (typically 2.6 V total source plus sink drops at 3.4 A).
For output current control, load current is sensed internally and limited by chopping the output driver(s) in a user-selectable fixed off-time PWM mode. The maximum output current is determined by theuser's selection of a reference voltage. The MODE pin determines whether the current control circuitry will chop in a slow current-decay mode (only the source driver switching) or in a fast current-decay mode (source and sink switching). A user-selectable blanking window prevents false triggering of the current control circuitry during chopping.
The UDN2961B is supplied in a 16-pin dual in-line plastic batwing package with a copper lead-frame and heat sinkable tabs for improved power dissipation capabilities. For higher power dissipation require-ments, the UDN2961W is supplied in a 12-pin single in-line power tab package.
2961 Maximum Ratings
Supply Voltage, VBB . . . . . . . . . . . . . . . . . . 45 V
Output Current, IOUT (continuous) . . .. . ±3.4 A
(tw 20 µs, 10% duty cycle) . . . . . ±4.0 A
Logic Supply Voltage, VCC . . . . . . . . . .. . . 7.0 V
Input Voltage Range,
VIN. . . . . . . . . . . . . . . . . . -0.3 V to +7.0 V
Package Power Dissipation,
PD . . . . . . . . . . . . . . . .. . . . . . . See Graph
Operating Temperature Range,
TA . . . . . . . . . . . . . .. . .. . -20°C to +85°C
Junction Temperature, TJ . . . . . . . .. . . +150°C*
Storage Temperature Range,
TS . . . . . . . . . . . . . . . . . -55°C to +150°C
Output Current, IOUT (continuous) . . .. . ±3.4 A
(tw 20 µs, 10% duty cycle) . . . . . ±4.0 A
Logic Supply Voltage, VCC . . . . . . . . . .. . . 7.0 V
Input Voltage Range,
VIN. . . . . . . . . . . . . . . . . . -0.3 V to +7.0 V
Package Power Dissipation,
PD . . . . . . . . . . . . . . . .. . . . . . . See Graph
Operating Temperature Range,
TA . . . . . . . . . . . . . .. . .. . -20°C to +85°C
Junction Temperature, TJ . . . . . . . .. . . +150°C*
Storage Temperature Range,
TS . . . . . . . . . . . . . . . . . -55°C to +150°C
2961 Features
3.4 A, 45 V Source and Sink Drivers
Internal Current Sensing
User-Selectable Fixed Off-Time PWM Current Control
Internal Flyback Diode
Low Output Saturation Voltage
Chip Enable
Fast or Slow Current-Decay Modes
Programmable Blanking Window
Internal Thermal Shutdown Circuitry
Internal Current Sensing
User-Selectable Fixed Off-Time PWM Current Control
Internal Flyback Diode
Low Output Saturation Voltage
Chip Enable
Fast or Slow Current-Decay Modes
Programmable Blanking Window
Internal Thermal Shutdown Circuitry
2961 Connection Diagram
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