High voltage high current Darlington driver IC UMW ULN2803AT with 8 channels and clamp diode protection
Key Attributes
Model Number:
ULN2803AT
Product Custom Attributes
Current - Collector(Ic):
-
Collector - Emitter Voltage VCEO:
50V
Operating Temperature:
-40℃~+85℃
Mfr. Part #:
ULN2803AT
Package:
TSSOP-20
Product Description
UMW ULN2803 Darlington Array Driver IC
The UMW ULN2803 is an 8-channel high-voltage, high-current Darlington driver IC. It features 8 NPN Darlington pairs with a common emitter and open-collector outputs. Each pair includes a 2.7K resistor, making it compatible with TTL and 5V CMOS logic without requiring a logic buffer. The ULN2803 offers a high sink current of up to 500mA, a withstand voltage of 50V, and is suitable for driving high-load current applications. It is designed to interface with various loads, including magnet valves, DC brushless motors, relays, DC lamps, and step motors.
Product Attributes
- Brand: UMW
- Origin: UTD Semiconductor Co.,Limited
Technical Specifications
| Parameter | Symbol | Min | Typ | Max | Units | Notes |
| Input Voltage | VIN | -0.5 | 30 | V | Absolute Maximum Ratings | |
| Collector-emitter Voltage | VCE | -0.5 | 50 | V | Absolute Maximum Ratings | |
| Clamp Diode Reverse Voltage | VR | 55 | V | Absolute Maximum Ratings | ||
| Output Current | IOUT | 500 | mA | Absolute Maximum Ratings | ||
| Output Clamp Current | I(clamp) | 500 | mA | Absolute Maximum Ratings | ||
| Total Substrate-terminal Current | -2.5 | A | Absolute Maximum Ratings | |||
| Storage Temperature | TSTG | -55 | 150 | C | Absolute Maximum Ratings | |
| Operating Temperature | TOPR | -40 | 85 | C | Absolute Maximum Ratings | |
| Operating Junction Temperature | TJ | -40 | 150 | C | Absolute Maximum Ratings | |
| Output Leakage Current | ICEX | 50 | 100 | A | TA=25C, VCE=50V | |
| Output Leakage Current | ICEX | 50 | 100 | A | TA=85C, VCE=50V | |
| Clamp Diode Reverse Current | IR | 1 | A | TA=25C, VR=50V | ||
| Clamp Diode Reverse Current | IR | 1 | A | TA=85C, VR=50V | ||
| CE Saturation Voltage | VCE(sat) | 1.3 | 1.6 | V | IOUT=350mA, IIN=500A | |
| CE Saturation Voltage | VCE(sat) | 1.1 | 1.3 | V | IOUT=250mA, IIN=350A | |
| CE Saturation Voltage | VCE(sat) | 0.9 | 1.1 | V | IOUT=100mA, IIN=250A | |
| Input Current (Output ON) | II(ON) | 0.5 | 2.4 | mA | VI=3.85V | |
| Input Current (Output OFF) | II(OFF) | 70 | A | |||
| Input Voltage (Output ON) | VI(ON) | 1.7 | 2.7 | V | ||
| Input Capacitance | CI | 30 | pF | TA=25C, IC=500A | ||
| Turn-on Delay | tMH | 15 | S | VCE=2.0V, IC=200mA | ||
| Turn-off Delay | tML | 1.7 | 3 | S | VCE=2.0V, IC=300mA | |
| Clamp Diode Forward Voltage | VF | 1 | V | IF=350mA |
2512241908_UMW-ULN2803AT_C42165059.pdf
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