Durable IDCHIP ULN2803S Eight Channel Darlington Transistor Array for Relay and Stepper Motor Control
Key Attributes
Model Number:
ULN2803S
Product Custom Attributes
Current - Collector(Ic):
500mA
Collector - Emitter Voltage VCEO:
15V
Mfr. Part #:
ULN2803S
Package:
SOP-18
Product Description
Product Overview
The ULN2803S is a high-current Darlington transistor array designed for low-voltage systems. It consists of eight Darlington pairs, each with a free-wheeling diode, suitable for driving inductive loads such as relays and stepper motors. Each Darlington pair supports a current of 200mA at an input voltage as low as 1.8V, with the capability to achieve higher output currents by paralleling the Darlington pairs. Each channel includes a base resistor and a 4.7K Ohm pull-down resistor to ground, allowing direct connection to TTL/CMOS circuits operating below 5V and preventing unstable MCU IO states during power-up.
Product Attributes
- Brand: (IDCHIP)
- Origin: (Shenzhen)
- Model: ULN2803S
- Package: SOP-18
- Packaging: 2000/ (2000/Reel)
Technical Specifications
| Parameter | Symbol | Test Conditions | Min | Typical | Max | Unit |
| Absolute Maximum Ratings | ||||||
| Input Voltage | VIN | -0.5 | 7 | V | ||
| Collector-Emitter Voltage | VCE | -0.5 | 15 | V | ||
| COM Terminal Voltage | VCOM | 15 | V | |||
| Collector Peak Current | ICP | per channel | 500 | mA | ||
| Output Clamp Diode Peak Forward Current | IOK | 500 | mA | |||
| Total Emitter Peak Current | IET | -2.0 | A | |||
| Storage Temperature | TS | -60 | 150 | |||
| Junction Temperature | TJ | 150 | ||||
| Soldering Temperature | TL | (within 10 seconds) | 260 | |||
| Recommended Operating Conditions (TA=25 unless otherwise specified) | ||||||
| Operating Temperature | Topr | -40 | 85 | |||
| Input Voltage (Output ON) | VIN(ON) | 2 | 7 | V | ||
| Input Voltage (Output OFF) | VIN(OFF) | 0 | 0.6 | V | ||
| Input Voltage (Control Signal) | VIN | 0 | 7 | V | ||
| Collector-Emitter Voltage | VCE | 0 | 12 | V | ||
| Clamp Diode Reverse Voltage | VR | 18 | V | |||
| Clamp Diode Peak Forward Current | IF | 350 | mA | |||
| Output Current | IOUT | TPW=25ms,TA=85,TJ=120,Duty=10% | 350 | mA/ch | ||
| TPW=25ms,TA=85,TJ=120,Duty=50% | 70 | mA/ch | ||||
| Electrical Characteristics (TA=25 unless otherwise specified) | ||||||
| Input Voltage (Output ON) | VIN(ON) | VCE=1.5V,IC=250mA | 1.75 | 1.85 | V | |
| Input Current | IIN | VIN=3.3V,IC=250mA | 2.2 | 2.8 | mA | |
| Collector-Emitter Saturation Voltage | VCE(sat) | VIN=1.8V,IC=250mA | 1.0 | 1.2 | V | |
| Clamp Diode Forward Voltage | VF | IF=350mA | 1.4 | 1.6 | V | |
| Clamp Diode Reverse Current | IR | VR=12V | 100 | A | ||
| Collector Cut-off Leakage Current | ICEX | VCE=12V,IIN=0 | 50 | A | ||
| Input Capacitance | CIN | 15 | pF | |||
| Propagation Delay (Low-to-High) | tPLH | VL=5V,RL=45 | 0.15 | 1 | s | |
| Propagation Delay (High-to-Low) | tPHL | VL=5V,RL=45 | 0.15 | 1 | s | |
2410081743_IDCHIP-ULN2803S_C41420014.pdf
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