Dual channel Darlington transistor array LANKE LK1802 with 500mA collector output current and SOT23 6 package
Key Attributes
Model Number:
LK1802
Product Custom Attributes
Current - Collector(Ic):
500mA
Collector - Emitter Voltage VCEO:
50V
Mfr. Part #:
LK1802
Package:
SOT-23-6
Product Description
Product Overview
The LK1802 is a dual high-current Darlington array designed for driving inductive loads such as relays and stepper motors. Each channel features a Darlington transistor with a freewheeling diode, capable of delivering 500mA collector output current. The device is compatible with TTL/CMOS logic signals and is available in a SOT23-6 package. Its integrated base resistors and pull-down resistors simplify interfacing with microcontrollers.
Product Attributes
- Brand: (Lanker Semiconductor)
- Origin: (Shenzhen)
- Packaging: SOT23-6
Technical Specifications
| Parameter | Symbol | Condition | Min | Typ | Max | Unit |
| Absolute Maximum Ratings (TA=25, unless otherwise specified) | ||||||
| Collector-Emitter Voltage | VCE | -0.5 | 50 | V | ||
| COM Terminal Voltage | VCOM | 50 | V | |||
| Input Voltage | VI | -0.5 | 7 | V | ||
| Collector Peak Current | ICP | per channel | 500 | mA | ||
| Output Clamp Diode Forward Peak Current | IOK | 500 | mA | |||
| Total Emitter Max Peak Current | IET | -1.0 | A | |||
| Max Operating Junction Temperature | TJ | 150 | ||||
| Soldering Temperature | 10s | 260 | ||||
| Storage Temperature Range | Tstg | -60 | +150 | |||
| Recommended Operating Conditions (TA=25, unless otherwise specified) | ||||||
| Collector-Emitter Voltage | VCE | 0 | 50 | V | ||
| Output Current | IOUT | TPW=25ms, TA=85, TJ=120, Duty=10% | 0 | 350 | mA/ch | |
| Output Current | IOUT | Duty=50% | 0 | 70 | mA/ch | |
| Control Signal Input Voltage | VIN | 0 | 7 | V | ||
| Input Voltage (Output ON) | VIN(ON) | Iout=250mA | 2.7 | 7 | V | |
| Input Voltage (Output OFF) | VIN(OFF) | 0 | 0.6 | V | ||
| Clamp Diode Reverse Voltage | VR | 50 | V | |||
| Clamp Diode Forward Peak Current | IF | 350 | mA | |||
| Operating Temperature Range | TA | -40 | +85 | |||
| Electrical Characteristics (TA=25, unless otherwise specified) | ||||||
| Turn-on Input Voltage | VI(ON) | VCE=2.0V, IC=250mA | 2.7 | 3.0 | V | |
| Turn-on Input Voltage | VI(ON) | VCE=2.0V, IC=350mA | 4.5 | V | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | IC=250mA, II=250uA | 0.9 | 1.1 | V | |
| Collector-Emitter Saturation Voltage | VCE(SAT) | IC=350mA, II=350uA | 1.0 | 1.3 | V | |
| Collector-Emitter Saturation Voltage | VCE(SAT) | IC=200mA, II=200uA | 2.4 | V | ||
| Collector-Emitter Saturation Voltage | VCE(SAT) | IC=350mA, II=500uA | 1.3 | 1.6 | V | |
| Clamp Diode Forward Voltage | VF | IF=350mA | 1.7 | 2.0 | 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 | VCE=2.0V, IC=100mA, VIN=3.3V | 3.0 | mA | ||
| Input Current | II | VCE=2.0V, IC=200mA, VIN=2.4V | 4.5 | mA | ||
| Clamp Diode Reverse Current | IR | VR=50V | 100 | 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 | |
2204011730_LANKE-LK1802_C2984831.pdf
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