Skip to main content

We use cookies to understand how you use our site and improve your experience. See our Privacy Policy.

ULN2804AFWG

8ch Darlington Sink Driver

The ULN2804AFWG is a 8ch darlington sink driver from Toshiba. View the full ULN2804AFWG datasheet below including key specifications, electrical characteristics, absolute maximum ratings.

ULN2804AFWG shares its datasheet with ULN2803A, whose page lists every part number it covers.

Official ULN2804AFWG datasheet (PDF) — the source this page was extracted from.

Manufacturer

Toshiba

Package

SOP-18

ULN2804AFWG Key Specifications

ParameterValue
Input Voltage-0.5 to 30 V
Output Current500 mA (max)
Power Dissipation0.92 / 1.31 W
Operating Temperature-40 to 85 °C
Output Sustaining Voltage50 V (min)

ULN2804AFWG 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)

ULN2804AFWG 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.)

ULN2804AFWG 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)

ULN2804AFWG 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%)

ULN2804AFWG 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
ULN2803AToshiba—
ULN2803AFWGToshibaP-SOP18-0812-1.27-001
ULN2803APGToshibaDIP-18pin
ULN2804APGToshibaP-DIP18-300-2.54-001
ULN280XAPG/AFWGToshiba—

Other Motor Drivers

  • DRV8833 – Texas Instruments, Dual H-Bridge Motor Driver
  • DRV8876 – Texas Instruments, H-Bridge Motor Driver
  • TB6612FNG – Toshiba, Driver IC for Dual DC motor
  • A4988 – Allegro MicroSystems, Stepper Motor Driver Module
  • DRV2605YZFR.A – Texas Instruments, Haptic Driver
  • DRV2605YZFT.A – Texas Instruments, Haptic Driver
  • DRV8302 – Texas Instruments, Three-Phase Gate Driver with Dual Shunt Amplifiers and Buck Regulator
  • DRV8302DCA – Texas Instruments, Three-Phase Gate Driver with Dual Shunt Amplifiers and Buck Regulator

All Motor Drivers datasheetsAll Toshiba datasheets (24)

Data on this page is extracted from publicly available manufacturer datasheets using automated tools including AI. It may contain errors or omissions. Always verify specifications against the official manufacturer datasheet before making design or purchasing decisions. See our Terms of Service. Rights holders can submit a takedown request.

Ask your AI agent about the ULN2804AFWG

Connect SheetsData to Claude, Cursor, Codex or any MCP client and your agent reads this datasheet for you: pinout, limits, register maps and design checks, with the numbers taken from the PDF.

claude mcp add --transport http sheetsdata https://mcp.sheetsdata.com/mcp

Then ask: "Can the ULN2804AFWG run from my 12 V rail? Check it against the datasheet limits."

Create a free account $2 of usage every month, no card needed.