Toshiba Owner's Manual and User Guide

Summary

This high-current Darlington sink driver IC provides eight channels for reliably switching inductive loads, perfect for applications involving relays, lamps, and LED displays. The technical manual offers detailed electrical specifications, maximum ratings, timing parameters, and recommended operating conditions essential for system designers. Ideal for engineers building general electronics equipment that require robust, dedicated output power switching capability.

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ULN2803,04AP/AFW

TOSHIBA BIPOLAR DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC

ULN2803AP,ULN2803AFW,ULN2804AP,ULN2804AFW

(Manufactured by Toshiba Malaysia)

8CH DARLINGTON SINK DRIVER

The ULN2803AP / AFW Series are high−voltage, high−current darlington drivers comprised of eight NPN darlington pairs. All units feature integral clamp diodes for switching inductive loads. Applications include relay, hammer, lamp and display (LED) drivers.

FEATURES Output current (single output) 500 m A (Max.) High sustaining voltage output 50 V (Min.) Output clamp diodes Inputs compatible with various types of logic. Package Type−AP : DIP−18pin Package Type−AFW : SOL−18pin

Weight DIP18−P−300−2.54F : 1.478 g (Typ.) SOL18−P−300−1.27 : 0.48 g (Typ.)

PIN CONNECTION (TOP VIEW)

TYPE INPUT BASE

RESISTOR DESIGNATION

ULN2803AP / AFW 2.7 kΩ TTL, 5 V CMOS

ULN2804AP / AFW 10.5 kΩ 6~15 V PMOS, CMOS

Page Summary Contents For Toshiba Owner's Manual and User Guide

Page 1 ULN2803,04AP/AFW TOSHIBA BIPOLAR DIGITAL INTEGRATED CIRCUIT SILICON MONOLITHIC ULN2803AP,ULN2803AFW,ULN2804AP,ULN2804AFW (Manufactured by Toshiba Malaysia) 8CH DARLINGTON SINK DRIVER The ULN2803AP / A...

Page 2 ULN2803,04AP/AFW SCHEMATICS (EACH DRIVER) ULN2803AP / AFW ULN2804AP / AFW Note: The input and output parasitic diodes cannot be used as clamp diodes. MAXIMUM RATINGS (Ta = 25°C) CHARACTERISTIC SYMBOL ...

Page 3 ULN2803,04AP/AFW RECOMMENDED OPERATING CONDITIONS (Ta = −40~85°C) CHARACTERISTIC SYMBOL TEST CONDITION MIN TYP. MAX UNIT Output Sustaining Voltage VCE (SUS) 0 ― 50 V Tpw = 25 ms, Duty = 10%, 8 Circuit...

Page 4 ULN2803,04AP/AFW ELECTRICAL CHARACTERISTICS (Ta = 25°C) TEST CHARACTERISTIC SYMBOL CIR− TEST CONDITION MIN TYP. MAX UNIT CUIT VCE = 50 V Ta = 25°C ― ― 50 Output Leakage Current ICEX 1 VCE = 50 V Ta = ...

Page 5 ULN2803,04AP/AFW TEST CIRCUIT 1. ICEX 2. VCE (sat), h FE 3. IIN (ON) 4. IIN (OFF) 5. VIN (ON) 6. IR 7. VF

Page 6 ULN2803,04AP/AFW 8. t ON, t OFF Note 1: Pulse Width 50 µs, Duty Cycle 10% Output Impedance 50 Ω, tr ≤ 5 ns, tf ≤ 10 ns Note 2: See below. INPUT CONDITION TYPE NUMBER R1 VIH ULN2803AP / AFW 0Ω 3 V ULN2...

Page 7 ULN2803,04AP/AFW

Page 8 ULN2803,04AP/AFW

Page 9 ULN2803,04AP/AFW PACKAGE DIMENSIONS DIP18−P−300−2.54F Unit: mm Weight: 1.478 g (Typ.)

Page 10 ULN2803,04AP/AFW PACKAGE DIMENSIONS SOL18−P−300−1.27 Unit: mm Weight: 0.48 g (Typ.)

Page 11 ULN2803,04AP/AFW 030619EBARESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. • The information contained herein is presented only as a guide for the ap...

Manual Details

Brand	Toshiba
Pages	11
File Size	248.16 KB
Published	June 02, 2026

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Frequently Asked Questions

What is the maximum current output for a single channel?

The unit supports an output current of 500 mA per channel.

Does this driver protect against excess voltage or current?

No, it does not integrate protection circuits like overcurrent and overvoltage protectors; design caution is necessary.

What types of loads can the ULN2803/ULN2804 handle?

They feature integral clamp diodes specifically for switching inductive loads, such as relays or lamps.

Are these drivers compatible with various input logic levels?

Yes, the inputs are designed to be compatible with various types of logic, including TTL and CMOS.