QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER Capable driving loa
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QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
Capable driving loads supply voltages (inductive loads UDN2944W quad high-current, highvoltage source driver. Each four power drivers provide space- cost-saving interface between low-level signal-processing circuits high-power loads harsh environments. Individual supply lines have been provided each pair drivers that different supplies used drive multiple loads. controlling inputs CMOS compatible. outputs include transient-suppression diodes inductive loads. This quad Darlington array designed serve interface between low-level circuitry peripheral-power loads such solenoids, motors, incandescent displays, heaters, similar loads channel. UDN2944W ideal complement UDN2878W quad sink driver. maximum power-handling capability, UDN2944W driver supplied 12-pin single in-line, power-tab package that allows efficient attachment external heat sink maximum allowable package power dissipation. external heat sink usually required proper operation this device. ground potential needs insulation.
Data Sheet 29309.10*
Dwg. A-13,054
FEATURES
ABSOLUTE MAXIMUM RATINGS +25°C Free-Air Temperature
Supply Voltage Range, Output Current, IOUT (dc) (peak) Input Voltage, Package Power Dissipation, Graph Operating Temperature Range, -20°C +85°C Storage Temperature Range, -55°C +150°C
Output current rating will limited ambient temperature, duty cycle, heat sinking, flow, number outputs conducting. Under conditions, exceed -5.0 peak current junction temperature +150°C.
Output Current Output Voltage Loads Integral Output Suppression Diodes CMOS Compatible Inputs Plastic Single In-Line Package Heat-Sink
Always order complete part number:
UDN2944W
QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
PARTIAL SCHEMATIC
Dwg. A-13,058
ALLOWABLE PACKAGE POWER DISSIPATION WATTS
TRUTH TABLE
INPUT
2.0°C/W
ENABLE
OUTPUT
3.0°C/W HEAT SINK 5.0°C/W
12°C/W HEAT SINK 14°C/W
NOTE: must connected operation input logic gates.
FREE AIR, 38°C/W
TEMPERATURE
Dwg. GP-012B
Northeast Cutoff, 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000 Copyright 1986, 1993 Allegro MicroSystems, Inc.
QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
ELECTRICAL CHARACTERISTICS +25°C, +150°C, VENABLE (unless otherwise noted).
Characteristic Supply Voltage Range Output Leakage Current Output Sustaining Voltage Output Saturation Voltage Symbol ICEX VCE(sus) VCE(SAT) VOUT VENABLE IOUT IOUT IOUT Input Voltage Logic Logic Input Current Logic VIN(1) VENABLE(1) VIN(0) VENABLE(0) VIN(1) VENABLE(1) VIN(1) VENABLE(1) Logic Total Supply Current Clamp Diode Leakage Current Clamp Diode Forward Voltage Turn-On Delay Turn-Off Delay tOFF VIN(0) VENABLE(0) drivers outputs open Eout, Eout, Test Conditions Min. Limits Max. Units
NOTE: Negative current defined coming (sourcing) device being tested.
TYPICAL APPLICATION
QUAD RELAY DRIVE (Using Voltage Sources optional Current Limiting)
QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
Dimensions Inches
1.260 1.240 0.020 0.775 0.765 0.245 0.225
0.180
0.055 0.045 0.155 0.145 0.135 0.100
0.140 0.365 0.570 0.540
INDEX AREA
0.290
0.065 0.035
0.030 0.020
0.100
±0.010
0.023 0.018
0.080 0.070
Dwg. MP-007
NOTES:
Lead thickness measured seating plane below. Lead spacing tolerance non-cumulative Exact body lead configuration vendor's option within limits shown. Lead gauge plane 0.030" below seating plane.
Northeast Cutoff, 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
Dimensions Millimeters (Based 25.4
32.00 31.49 0.51 19.69 19.45 6.22 5.71
4.57
1.40 1.14 3.94 3.68 3.43 2.54
3.56 9.27 14.48 13.71
INDEX AREA
7.36
1.65 0.89
0.76 0.51
2.54
±0.254
0.59 0.45
2.03 1.77
Dwg. MP-007
NOTES:
Lead thickness measured seating plane below. Lead spacing tolerance non-cumulative Exact body lead configuration vendor's option within limits shown. Lead gauge plane 0.762 below seating plane.
QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
Northeast Cutoff, 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
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QUAD HIGH-CURRENT, HIGH-VOLTAGE SOURCE DRIVER
POWER SOURCE DRIVERS SELECTION GUIDE
ORDER OUTPUT CURRENT, OUTPUT VOLTAGE, NUMBER DRIVERS
Output Ratings
Serial Latched Drivers
Features
Diode Clamp Saturated Outputs Internal Protection Input
-120
-350
Active Pull-Down Active Pull-Down Active Pull-Down Active Pull-Down
Part Number 5815 5810-F 5811 5812-F 5818-F 6118 2585 2985 5895 2987 2981 2982 5891 2580 2983 2984 5890 2588
Current maximum specified test condition, voltage maximum rating. specification sustaining voltage limits over-current protection voltage limits. Complete part number includes additional characters indicate operating temperature range package style.
Allegro MicroSystems, Inc. reserves right make, from time time, such departures from detail specifications required permit improvements design products. Components made under military approvals will accordance with approval requirements. information included herein believed accurate reliable. However, Allegro MicroSystems, Inc. assumes responsibility use; infringements patents other rights third parties which result from use.
Northeast Cutoff, 15036 Worcester, Massachusetts 01615-0036 (508) 853-5000
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