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UDN2879 Datasheet(PDF) 3 Page - Allegro MicroSystems |
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UDN2879 Datasheet(HTML) 3 Page - Allegro MicroSystems |
3 / 8 page 2878 AND 2879 QUAD HIGH-CURRENT DARLINGTON SWITCHES www.allegromicro.com Caution: High-current tests are pulse tests or require heat sinking. Test Applicable Limits Characteristic Symbol Fig. Devices Test Conditions Min. Max. Units Output Leakage Current ICEX 1 UDN2878W VCE = 50 V — 100 µA VCE = 50 V, TA = +70 °C — 500 µA UDN2879W/W-2 VCE = 80 V — 100 µA VCE = 80 V, TA = +70 °C — 500 µA Output Sustaining VCE(sus) — UDN2878W lC = 4 A, L = 10 mH 35 — V Voltage UDN2879W lC = 4 A, L = 10 mH 50 — V UDN2879W-2 lC = 3 A, L = 10 mH 50 — V Collector-Emitter VCE(SAT) 2All lC = 500 mA, VIN = 2.75 V — 1.1 V Saturation Voltage lC = 1.0 A, VIN = 2.75 V — 1.3 V lC = 2.0 A, VIN = 2.75 V — 1.5 V lC = 3.0 A, VIN = 2.75 V — 1.9 V UDN2878/79W lC = 4.0 A, VIN = 3.0 V — 2.4 V Input Current IIN 3All VIN = 2.75 V — 550 µA VIN = 3.75 V — 1000 µA Input Voltage VIN(ON) 4All VCE = 2.2 V, lC = 3.0 A — 2.75 V UDN2878/79W VCE = 2.2 V, lC = 4.0 A — 2.75 V Supply Current per Driver IS 7All lC = 500 mA, VIN = 2.75 V — 6.0 mA Turn-On Delay tPLH — All 0.5 Ein to 0.5 Eout — 1.0 µs Turn-Off Delay tPHL — All 0.5 Ein to 0.5 Eout, lC = 3.0 A — 1.5 µs Clamp Diode IR 5All VR = 50 V — 50 µA Leakage Current VR = 50 V, TA = +70 °C — 100 µA UDN2879W/W-2 VR = 80 V — 50 µA VR = 80 V, TA = +70 °C — 100 µA Clamp Diode VF 6All IF = 3.0 A — 2.5 V Forward Voltage UDN2878/79W IF = 4.0 A — 3.0 V ELECTRICAL CHARACTERISTICS at VS = 5.0 V, TA = +25°C (unless otherwise noted). |
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