UDN2916B-T Allegro Microsystems Inc, UDN2916B-T Datasheet
UDN2916B-T
Specifications of UDN2916B-T
Available stocks
Related parts for UDN2916B-T
UDN2916B-T Summary of contents
Page 1
... Life. The product is approaching end of life. Within a minimum of 6 months, the device will enter its final, Last Time Buy, order phase. Date of status change: UDN2916B-T, UDN2916EBTR-T: November 1, 2010 UDN2916LBTR-T, UDQ2916LBTR-T: January 31, 2011 Recommended Substitutions: For existing customer transition, and for new customers or new appli- cations, contact Allegro Sales ...
Page 2
Features and Benefits ▪ 750 mA continuous output current ▪ output sustaining voltage ▪ Internal clamp diodes ▪ Internal PWM current control ▪ Low output saturation voltage ▪ Internal thermal shutdown circuitry ▪ Similar to dual PBL3717 or ...
Page 3
... The devices are available for operation from –20°C to 85°C (range N), and from –40°C to 105°C (range Q). All packages are lead (Pb) free, with 100% matte tin leadframe plating. Selection Guide Part Number Package 1 UDN2916B-T 24-pin batwing DIP 1 UDN2916EBTR-T 44-pin internally fused lead PLCC 2 UDN2916LBTR-T ...
Page 4
EB Package (PLCC) GND 7 PWM GND Package (SOIC PHASE REF ...
Page 5
ELECTRICAL CHARACTERISTICS 5.0 V (unless otherwise noted). REF Characteristic Output Drivers (OUT or OUT ) A B Motor Supply Range Output Leakage Current Output Sustaining Voltage Output Saturation Voltage Clamp Diode Leakage Current Clamp ...
Page 6
PWM CURRENT CONTROL The UDx2916 dual bridges drive both windings of a bipolar stepper motor. Output current is sensed and controlled independently in each bridge by an external sense resistor, R internal comparator, and monostable multivibrator. When the bridge ...
Page 7
LOGIC CONTROL OF OUTPUT CURRENT Two logic level inputs (I and winding current at 100%, 67%, 33 the maximum level per the table. The 0% output current condition turns off all drivers in ...
Page 8
APPLICATION NOTES Current Sensing To minimize current sensing inaccuracies caused by ground trace IR drops, each current-sensing resistor should have a separate return to the ground terminal of the device. For low-value sense resistors, the IR drops in the ...
Page 9
External batwings, Pins 6, 7, 18, and 19 are fused internally 1.27 MIN +0.25 1.52 –0.38 External batwings, Pins 6, 7, 18, and 19 are fused internally 15.40±0. 24X 0.10 C ...
Page 10
External batwings, Pins 7 through 17 and 29 through 39 are fused internally 17.53 ±0.13 16.59 ±0.08 0.74 ±0.08 44X 0.10 C 0.43 ±0.10 For Reference Only (reference JEDEC MS-018 AC) Dimensions in inches, metric dimensions (mm) in brackets, ...