Monolithic Darlington array LANKE ULN2802 designed for high current relay and stepper motor driver circuits
Key Attributes
Model Number:
ULN2802
Product Custom Attributes
Current - Collector(Ic):
500mA
Collector - Emitter Voltage VCEO:
-
Mfr. Part #:
ULN2802
Package:
ESSOP-10-EP-150mil
Product Description
Product Description
The ULN2802 is a monolithic high-voltage, high-current Darlington array. It consists of eight independent Darlington driver circuits. Each circuit includes a free-wheeling diode, making it suitable for driving inductive loads such as relays, stepper motors, and display drivers (LEDs). Each Darlington pair can output 500mA, and paralleling them allows for higher output current capability. The ULN2802 is widely used in relay driving, lighting control, display driving, stepper motor driving, and as logic buffers. Each Darlington driver has a 2.7K base resistor, allowing direct connection to TTL/CMOS circuits at a 5V operating voltage, simplifying the handling of data that previously required standard logic buffers.
Product Attributes
- Brand: Lanker Semiconductor
- Origin: Shenzhen, China
- Certifications: Pb-Free
Technical Specifications
| Parameter | Symbol | Conditions | Min | Typ | Max | Unit |
| Absolute Maximum Ratings | ||||||
| Collector-Emitter Voltage (Pins 7~10) | VCE | -0.5 | 50 | V | ||
| COM Pin Voltage (Pin 6) | VCOM | 50 | V | |||
| Input Voltage (Pins 1~4) | VI | -0.5 | 30 | V | ||
| Collector Peak Current (per channel) | ICP | 500 | mA/ch | |||
| Output Clamp Diode Peak Forward Current | IOK | 500 | mA | |||
| Total Emitter Peak Current | IET | -1.5 | A | |||
| Maximum Junction Temperature | TJ | 150 | ||||
| Storage Temperature Range | Tstg | -60 | +150 | |||
| Recommended Operating Conditions | ||||||
| Collector-Emitter Voltage | VCE | 0 | 50 | V | ||
| Output Current (per channel) | IOUT | TPW=25ms, TA=85, TJ=120, Duty=10% | 0 | 233 | mA/ch | |
| Output Current (per channel) | IOUT | TPW=25ms, TA=85, TJ=120, Duty=50% | 0 | 70 | mA/ch | |
| Control Signal Input Voltage | VIN | 0 | 24 | V | ||
| Input Voltage (Output ON) | VIN(ON) | Iout=400mA, hFE=800 | 2.8 | 24 | V | |
| Input Voltage (Output OFF) | VIN(OFF) | 0 | 0.7 | V | ||
| Clamp Diode Reverse Voltage | VR | 50 | V | |||
| Clamp Diode Peak Forward Current | IF | 350 | mA | |||
| Operating Temperature Range | TA | -40 | +85 | |||
| Electrical Characteristics | ||||||
| On-State Input Voltage | VI(ON) | VCE=2V, IC=200mA | 1.9 | 2.4 | V | |
| On-State Input Voltage | VI(ON) | VCE=2V, IC=250mA | 2.0 | 2.7 | V | |
| On-State Input Voltage | VI(ON) | VCE=2V, IC=300mA | 2.1 | 3 | V | |
| Collector-Emitter Saturation Voltage | VCE(SAT) | VI=2.4V, IC=30mA | 0.78 | V | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | VI=2.4V, IC=60mA | 0.82 | V | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | VI=2.4V, IC=120mA | 0.9 | V | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | VI=2.4V, IC=240mA | 1.1 | V | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | VI=2.4V, 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, II=0 | 50 | A | ||
| Collector Cut-off Leakage Current | ICEX | VCE=50V, TA=85, VI=0V | 100 | A | ||
| Input Current | II | VIN=12V, IC=60mA | 4 | mA | ||
| Input Current | II | VIN=6V | 1.7 | mA | ||
| Input Current | II | VIN=4.5V | 1.1 | mA | ||
| Input Current | II | 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 | |
2510150952_LANKE-ULN2802_C2828555.pdf
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