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ULN2803A

8ch Darlington Sink Driver

The ULN2803A is a 8ch darlington sink driver from Toshiba. View the full ULN2803A datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

Official ULN2803A datasheet (PDF) — the source this page was extracted from.

Manufacturer

Toshiba

ULN2803A Key Specifications

ParameterValue
VCE(Sat)1.3V typ, 1.6V max at IOUT=350 mA, IIN=500 µA
Turn-On Delay0.1 µs typ
Turn-Off Delay0.2 µs typ
Input Capacitance15 pF typ
Number Of Channels8
Input Base Resistor2.7 kΩ (ULN2803A)
Input CompatibilityTTL, 5V CMOS (ULN2803A)
Input Voltage (VIN)-0.5V to 30V
Storage Temperature-55°C to 150°C
DC Current Gain (HFE)1000 min at VCE=2V, IOUT=350 mA
Operating Temperature-40°C to 85°C
Power Dissipation (DIP)1.47 W
Power Dissipation (SOP)0.92 W / 1.31 W (glass epoxy PCB)
Clamp Diode Forward Current500 mA max
Clamp Diode Forward Voltage2.0V max at IF=350 mA
Clamp Diode Reverse Voltage50V
Output Current (Per Channel)500 mA max
Output Leakage Current (ICEX)50 µA max at VCE=50V, Ta=25°C
Output Sustaining Voltage (VCE(SUS))-0.5V to 50V

ULN2803A Overview

Part: ULN2803APG, ULN2803AFWG, ULN2804APG, ULN2804AFWG — TOSHIBA

Type: 8ch Darlington Sink Driver

Description: High-voltage, high-current darlington drivers comprised of eight NPN darlington pairs, featuring integral clamp diodes for switching inductive loads.

Operating Conditions:

  • Operating temperature: -40 to 85 °C
  • Output sustaining voltage: 0 to 50 V
  • Input voltage: 0 to 30 V

Absolute Maximum Ratings:

  • Max supply voltage: 50 V (Output sustaining voltage VCE(SUS))
  • Max continuous current: 500 mA/ch (Output current IOUT)
  • Max junction/storage temperature: 150 °C (Storage temperature Tstg)

Key Specs:

  • Output leakage current (ICEX): 50 μA (max, VCE = 50 V, Ta = 25°C)
  • Collector-emitter saturation voltage (VCE(sat)): 1.6 V (max, IOUT = 350 mA, IIN = 500 μA)
  • ULN2803A Input ON current (IIN(ON)): 1.35 mA (max, VIN = 3.85 V)
  • ULN2804A Input ON current (IIN(ON)): 0.5 mA (max, VIN = 5 V)
  • DC current transfer ratio (hFE): 1000 (min, VCE = 2 V, IOUT = 350 mA)
  • Clamp diode forward voltage (VF): 2.0 V (max, IF = 350 mA)
  • Turn-on delay (tON): 0.1 μs (typ, RL = 125 Ω, VOUT = 50 V)
  • Turn-off delay (tOFF): 0.2 μs (typ, RL = 125 Ω, VOUT = 50 V)

Features:

  • Output current (single output) 500 mA (max)
  • High sustaining voltage output 50 V (min)
  • Output clamp diodes
  • Inputs compatible with various types of logic

Applications:

  • Relay drivers
  • Hammer drivers
  • Lamp drivers
  • Display (LED) drivers

Package:

  • DIP-18pin (P-DIP18-300-2.54-001)
  • SOP-18pin (P-SOP18-0812-1.27-001)

ULN2803A Features

  • Output current (single output) 500 mA (max)

  • High sustaining voltage output 50 V (min)

  • Output clamp diodes

  • Inputs compatible with various types of logic.

    • APG

: DIP - 18pin

  • Package Type - AFWG

: SOP -

18pin

Weight

P-DIP18-300-2.54-001: 1.478 g (Typ.)

P-SOP18-0812-1.27-001: 0.48 g (Typ.)

ULN2803A Electrical Characteristics

CharacteristicCharacteristicSymbolTest Cir - CuitTest ConditionTest ConditionMinTyp.MaxUnit
leakage currentI CEX1V CE = 50 VTa = 25°C--50μ A
I CEX1V CE = 50 VTa = 85°C--100μ A
ULN2804AI CEX1V CE = 50 VV IN = 1 V--500μ A
VCE (sat)2I OUT = 350 mA, I IN = 500 μ AI OUT = 350 mA, I IN = 500 μ A-1.31.6V
emitter saturation voltageVCE (sat)2I OUT = 200 mA, I IN = 350 μ AI OUT = 200 mA, I IN = 350 μ A-1.11.3V
VCE (sat)2I OUT = 100 mA, I IN = 250 μ AI OUT = 100 mA, I IN = 250 μ A-0.91.1V
ULN2803AI IN (ON)2V IN = 3.85 VV IN = 3.85 V-0.931.35mA
ULN2804AI IN (ON)2V IN = 5 VV IN = 5 V-0.350.5mA
I IN (ON)2V IN = 12 VV IN = 12 V-1.01.45mA
I IN (OFF)4I OUT = 500 μ A, Ta = 85°CI OUT = 500 μ A, Ta = 85°C5065-μ A
V IN (ON)5V CE = 2 V, I OUT = 200 mAV CE = 2 V, I OUT = 200 mA--2.4V
ULN2803AV IN (ON)5V CE = 2 V, I OUT = 250 mAV CE = 2 V, I OUT = 250 mA--2.7V
V IN (ON)5V CE = 2 V, I OUT = 300 mAV CE = 2 V, I OUT = 300 mA--3.0V
V IN (ON)5V CE = 2 V, I OUT = 125 mAV CE = 2 V, I OUT = 125 mA--5.0V
V IN (ON)5V CE = 2 V, I OUT = 200 mAV CE = 2 V, I OUT = 200 mA--6.0V
ULN2804AV IN (ON)5V CE = 2 V, I OUT = 275 mAV CE = 2 V, I OUT = 275 mA--7.0V
V IN (ON)5V CE = 2 V, I OUT = 350 mAV CE = 2 V, I OUT = 350 mA--8.0V
DC current transfer ratioDC current transfer ratioh FE2V CE = 2 V, I OUT = 350 mAV CE = 2 V, I OUT = 350 mA1000---
Clamp diode reverse currentClamp diode reverse currentI R6Ta = 25°C(Note)--50μ A
I R6Ta = 85°C (Note)Ta = 85°C (Note)--100μ A
Clamp diode forward voltageClamp diode forward voltageV F7I F = 350 mAI F = 350 mA--2.0V
Input capacitanceInput capacitanceC IN----15-pF
Turn - on delayTurn - on delayt ON8R L = 125 Ω , V OUT = 50 VR L = 125 Ω , V OUT = 50 V-0.1-μ s
Turn - off delayTurn - off delayt OFF8R L = 125 Ω , V OUT = 50 VR L = 125 Ω , V OUT = 50 V-0.2-μ s

Note: VR = VR (max)

ULN2803A Absolute Maximum Ratings

CharacteristicCharacteristicSymbolRatingUnit
Output sustaining voltageOutput sustaining voltageV CE(SUS)- 0.5 to 50V
Output currentOutput currentI OUT500mA/ ch
Input voltageInput voltageV IN- 0.5 to 30V
Clamp diode reverse voltageClamp diode reverse voltageV R50V
Clamp diode forward currentClamp diode forward currentI F500mA
Power dissipationAPGP D1.47W
Power dissipationAFWGP D0.92 / 1.31 (Note)W
Operating temperatureOperating temperatureT opr- 40 to 85°C
Storage temperatureStorage temperatureT stg- 55 to 150°C

Note: On Glass Epoxy PCB (75 × 114 × 1.6 mm Cu 20%)

CharacteristicCharacteristicSymbolTest ConditionMinTyp.MaxUnit
Output sustaining voltageOutput sustaining voltageV CE (SUS)-0-50V
APGI OUTt pw = 25 ms, Duty = 10%, 8 Circuits0-347mA/ ch
I OUTt pw = 25 ms, Duty = 50%, 8 Circuits0-123mA/ ch
AFWGI OUTt pw = 25 ms, Duty = 10%, 8 Circuits0-268mA/ ch
I OUTt pw = 25 ms, Duty = 50%, 8 Circuits0-90mA/ ch
Input voltageInput voltageV IN-0-30V
Input voltage (Output on)ULN2803AV IN (ON)-2.5-30V
Input voltage (Output on)ULN2804AV IN (ON)-8-30V
Clamp diode reverse voltageClamp diode reverse voltageV R---50V
Clamp diode forward currentClamp diode forward currentI F---400mA
Power dissipationAPGP DTa = 85°C--0.76W
Power dissipationAFWGP DTa = 85°C--0.48W

Note: On Glass Epoxy PCB (75 × 114 × 1.6 mm Cu 20%)

ULN2803A Package Information

Weight: 0.48 g (typ.) This drawing is an object for explanation.

Variants on the same datasheet

These parts have exact links to the same datasheet. They are candidates to compare, not verified drop-in replacements; check package, pinout and electrical limits.

Part NumberManufacturerPackage
ULN2803AFWGToshibaP-SOP18-0812-1.27-001
ULN2803APGToshibaDIP-18pin
ULN2804AFWGToshibaP-SOP18-0812-1.27-001
ULN2804APGToshibaP-DIP18-300-2.54-001
ULN280XAPG/AFWGToshiba—

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