switching transistor array HTC ULN2004AD featuring seven NPN Darlington pairs for inductive load control
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Product Description
Product Overview
The ULN2003A and ULN2004A are monolithic high-voltage, high-current Darlington transistor arrays. Each array consists of seven NPN Darlington pairs designed for switching inductive loads with common-cathode clamp diodes. They offer a 500 mA rated collector current per output and are compatible with various logic types, making them suitable for relay drivers, motor drivers, lamp drivers, display drivers, line drivers, and logic buffers. The input pins are positioned opposite the output pins for simplified PCB layout.
Product Attributes
- Brand: HTC
- Product Series: ULN2003A/ULN2004A
- Revision: 1.1.1
- Date: Apr. 2020
Technical Specifications
| Characteristic | Symbol | ULN2003A (Typ.) | ULN2004A (Typ.) | Unit | Conditions |
| Output Voltage | VO | 50 | V | ||
| Input Voltage | VI | 30 | V | (Note 2) | |
| Peak Collector Current | IC | 500 | mA | (Single Output) | |
| Output Clamp Current | IOK | 500 | mA | ||
| Total Emitter-Terminal Current | IE | 2.5 | A | ||
| Maximum Junction Temperature | TJ | 150 | C | ||
| Storage Temperature | TSTG | -60 | 150 | C | |
| Lead Temperature (Soldering, 5sec) | TSOL | 260 | C | ||
| ON-State Input Voltage | VI(ON) | 2.4 | 5.0 | V | VCE=2V, IC=200mA (ULN2003A) / IC=125mA (ULN2004A) |
| Collector-Emitter Saturation Voltage | VCE(SAT) | 0.9 | 1.0 | V | III=250A, IC=100mA |
| Output Leakage Current | ICEX | 50 | 50 | A | VCE=50V, III=0mA |
| Clamp Forward Voltage | VF | 1.7 | V | IF=350mA | |
| Off-State Input Current | III(OFF) | 50 | 50 | A | VCE=50V, IC=500A, TA=85C |
| Input Current | III(ON) | 1.35 | 0.5 | mA | for ULN2003A VI=3.85V / for ULN2004A VI=5V |
| Clamp Diode Leakage Current | IR | 50 | 50 | A | VR=50V |
| Turn-On Propagation Delay Time | tPLH | 0.25 | s | 0.5VI to 0.5VO | |
| Turn-Off Propagation Delay Time | tPHL | 0.25 | s | 0.5VI to 0.5VO | |
| Package Thermal Resistance (SOP-16) | JA-SOP-16 | 120 | C/W | ||
| Package Thermal Resistance (DIP-16) | JA-DIP-16 | 80 | C/W | ||
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