UDN2987 Allegro MicroSystems, Inc., UDN2987 Datasheet
UDN2987
Available stocks
Related parts for UDN2987
UDN2987 Summary of contents
Page 1
... Overcurrent Protection Description Providing overcurrent protection for each of its eight sourcing outputs, the UDN2987A-6 and UDN2987LW-6 drivers are used as an interface between standard low-level logic and relays, motors, solenoids, LEDs, and incandescent lamps. These devices include thermal shut down and output transient protection/clamp diodes for use with sustaining voltages ...
Page 2
... UDN2987A-6 and UDN2987LW-6 have a significantly faster T (200 ns typical) and a lower driver supply voltage rating (4.75 V), which allows the use logic. The UDN2987A-6 is supplied in a 20-pin dual in-line plastic (DIP) package; the UDN2987LW-6 is supplied in a 20-lead small-outline (SOIC-W) plastic package. All packages are lead (Pb) free, with 100% matte-tin leadframe plating ...
Page 3
... UDN2987x-6 OE/R ¯ IN1 IN8 Pin-Out Diagram 1 IN1 2 IN2 3 IN3 4 IN4 5 IN5 6 IN6 7 IN7 8 IN8 x8 9 FAULT SENSE OE/R Package A (DIP) shown. Package LW (SOIC-W) is electrically identical and has the same terminal number assignment. DABIC-5 8-Channel Source Driver Functional Block Diagram VS Thermal Shut Down < ...
Page 4
... UDN2987x-6 ELECTRICAL CHARACTERISTICS Characteristic Supply Voltage Functional Range 2 Output Leakage Current Output Sustaining Voltage Output Saturation Voltage Channel Shut Down Threshold 2 FAULT Leakage Current FAULT Saturation Voltage Input Voltage Input Current: INx, OE/R ¯ pins Clamp Diode Leakage Current Clamp Diode Forward Voltage ...
Page 5
... UDN2987x-6 THERMAL CHARACTERISTICS Characteristics * Package Thermal Resistance * Additional thermal information is available on the Allegro Web site. DABIC-5 8-Channel Source Driver Symbol Test Conditions Package A, on 4-layer board based on JEDEC standard R θJA Package LW, on 4-layer board based on JEDEC standard Power Dissipation versus Ambient Temperature 4 ...
Page 6
... UDN2987x IN(A) IN(B) — OE OUT( OUT(B) Allowable Output Current as a Function of Duty Cycle (UDN2987A-6 shown, multiply by 78% for UDN2987LW- 25° 400 Quantity of outputs conducting simultaneously 350 300 250 200 150 100 ...
Page 7
... UDN2987x-6 Applications Information and Circuit Description As with all power integrated circuits, the UDN2987A-6 and UDN2987LW-6 have a maximum allowable output current rating. The 500 mA rating does not imply that operation at that value is permitted or even obtainable. The channel out- put current trip point is specified as –370 mA, minimum; ...
Page 8
... UDN2987x-6 A +0.25 1.52 –0.38 12.80±0. 20X 0.10 C 0.41 ±0.10 For Reference Only Dimensions in millimeters (Reference JEDEC MS-013 AC) Dimensions exclusive of mold flash, gate burrs, and dambar protrusions Exact case and lead configuration at supplier discretion within limits shown DABIC-5 8-Channel Source Driver Package A, 20-Pin DIP +0 ...
Page 9
... UDN2987x-6 Copyright ©2006-2008, Allegro MicroSystems, Inc. The products described herein are manufactured under one or more of the following U.S. patents: 5,045,920; 5,264,783; 5,442,283; 5,389,889; 5,581,179; 5,517,112; 5,619,137; 5,621,319; 5,650,719; 5,686,894; 5,694,038; 5,729,130; 5,917,320; and other patents pending. Allegro MicroSystems, Inc. reserves the right to make, from time to time, such de par tures from the detail spec tions as may be required to per- mit improvements in the per for mance, reliability, or manufacturability of its products ...