DatasheetsPDF.com

UDN2961

Allegro MicroSystems
Part Number UDN2961
Manufacturer Allegro MicroSystems
Description HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER
Published Jun 18, 2006
Detailed Description www.DataSheet4U.com 2961 HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER 2961 The UDN2961B and UDN2961W are 3.4 A half...
Datasheet PDF File UDN2961 PDF File

UDN2961
UDN2961

Overview
www.
DataSheet4U.
com 2961 HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER 2961 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 offtime PWM mode.
The maximum output current is determined by the user’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 requirements, the UDN2961W is supplied in a 12-pin single in-line power tab package.
Data Sheet 29318.
16* HIGH-CURRENT HALF-BRIDGE PRINTHEAD/MOTOR DRIVER—WITH INTERNAL CURRENT SENSING AND CONTROL UDN2961B VREF IN INPUT GROUND GROUND ENABLE RC MODE 1 2 3 4 5 6 7 8 VCC CURRENTCONTROL LOGIC V BB 16 15 14 13 12 11 10 9 SINK OUT EMITTER NC GROUND GROUND LOAD SUPPLY SOURCE OUT LOGIC SUPPLY VBB Dwg.
PP-035 ABSOLUTE MAXIMUM RATINGS Supply Voltage, VBB .
.
.
.
.
.
.
.
.
.
.
.
.
.
45 V Output Current, IOUT (continuous) .
±3.
4 A (tw ≤ 20 µ s, 10% duty cycle) .
.
±4.
0 A Logic Supp...


Similar Datasheet


@ 2014 :: Datasheetspdf.com :: Semiconductors datasheet search & download site. (Privacy Policy & Contact)