Seven channel Darlington driver LANKE ULN2003A suitable for relay and LED display screen applications
Key Attributes
Model Number:
ULN2003A
Product Custom Attributes
Current - Collector(Ic):
500mA
Collector - Emitter Voltage VCEO:
50V
Mfr. Part #:
ULN2003A
Package:
SOP-16
Product Description
ULN2003A: High Voltage, High Current Darlington Transistor Array
The ULN2003A is a monolithic high-voltage, high-current Darlington transistor array. It consists of seven independent Darlington driver circuits, each with a built-in suppression diode for inductive loads like relays and stepper motors. Each Darlington pair can output up to 500mA, with parallel connection enabling higher current capability. The integrated 2.7K base resistor allows direct connection to TTL/CMOS logic circuits operating at 5V, eliminating the need for standard logic buffers. This array is widely used for driving relays, indicator lights, display screens (LEDs), stepper motors, and as logic buffers.
Product Attributes
- Brand: Not specified
- Origin: Shenzhen, China (Shenzhen Lanke Semiconductor Technology Co., Ltd.)
- Material: Not specified
- Color: Not specified
- Certifications: Pb-Free
Technical Specifications
| Model | Package Type | Temperature Range | Collector Output Current (per channel) | Collector-Emitter Voltage | Input Voltage Compatibility | Peak Collector Current (per channel) | Peak Output Clamp Diode Current | Total Emitter Peak Current | Max Junction Temperature | Power Dissipation (DIP16) | Power Dissipation (SOP16) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| ULN2003A | SOP16 | -40 ~ +85 | 500mA | 50V | TTL/CMOS | 500mA | 500mA | -2.5A | 150 | 1.47W | 0.54/0.625W |
| ULN2003A | DIP16 | -40 ~ +85 | 500mA | 50V | TTL/CMOS | 500mA | 500mA | -2.5A | 150 | 1.47W | 0.54/0.625W |
Electrical Characteristics
| Parameter | Test Condition | Min | Typical | Max | Unit |
|---|---|---|---|---|---|
| Turn-On Input Voltage (VI(ON)) | VCE=2V, IC=200mA | 1.9 | 2.4 | V | |
| IC=250mA | 2.0 | 2.7 | V | ||
| IC=300mA | 2.1 | 3 | V | ||
| Collector-Emitter Saturation Voltage (VCE(SAT)) | VI=2.4V, IC=30mA | 0.78 | V | ||
| IC=60mA | 0.82 | V | |||
| IC=120mA | 0.9 | V | |||
| IC=240mA | 1.1 | V | |||
| IC=350mA | 1.25 | V | |||
| Clamp Diode Forward Voltage (VF) | IF=350mA | 1.4 | 1.6 | V | |
| Collector Cut-off Leakage Current (ICEX) | VCE=50V, VI=0 | - | - | 50 | A |
| VCE=50V, TA=85, VI=0V | - | - | 100 | A | |
| Input Current (II) | VIN=12V, IC=60mA | 4 | mA | ||
| VIN=6V | 1.7 | mA | |||
| VIN=4.5V | 1.1 | mA | |||
| VIN=2.4V | 0.35 | mA | |||
| Clamp Diode Reverse Current (IR) | VR=50V | - | - | 100 | A |
| Input Capacitance (CIN) | 15 | pF | |||
| Propagation Delay Low-to-High (tPLH) | VL=12V, RL=45 | 0.15 | 1 | s | |
| Propagation Delay High-to-Low (tPHL) | VL=12V, RL=45 | 0.15 | 1 | s |
2108150430_LANKE-ULN2003A_C2875622.pdf
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