AL5802LPL：Discrete - LED Driver Solutions
| Part Number | Data Sheet | SPICE Model | Topology | Minimum Supply Voltage (V) | Maximum Supply Voltage (V) | Maximum VOUT (V) | LED CurrentSense Voltage (mV) | LED Current (mA) | Accuracy (%) | Frequency (kHz) | Efficiency (%) | Dimming | Temperature Range (°C) | Polarity | ESD Diodes (Y/N) | BVCEO (V) Min @ Ic=1.0 mA, IB=0 | BVEBO (V) Min @ Ie=10 uA, IC=0 | ICEX (nA) Max @ VCE=30V, VBE(Off) =3.0V | IBL (nA) Max @ VCE=30V, VBE(Off) =3.0V | VCE(sat) (V) Max @ IC =10mA, IB=1.0 mA | VBE(sat) (V) Min @ IC =10mA, IB=1.0 mA | VBE(sat) (V) Max @ IC =10mA, IB=1.0 mA | VBE(on) (V) Min @ IC =2mA, VCE=1.5 V | VBE(on) (V) Max @ IC =2mA, VCE=1.5 V | hFE Min @ IC=100 uA, VCE = 1.0V | hFE Min @ IC=1 mA, VCE = 1.0V | hFE Min @ IC=10 mA, VCE = 1.0V | BVCBO (V) Min @ Ic=50uA, IE=0 | BVEBO (V) Min @ Ie=50 uA, IC=0 | ICBO (uA) Max @ VCB=30V, IE=0 | IEBO (uA) Max @ VEB=4V, IC=0 | VBE(on) (V) Min @ IC =2mA, VCE=5 V | VBE(on) (V) Max @ IC =2mA, VCE=5 V | hFE Min @ IC=150 mA, VCE = 5.0V |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| AL5802LPL | AL5802LPL.pdf | - | - | 4.5 | 30 | 30 | 650 | 150 | - | - | - | Yes | -40 to +125 | NPN, NPN Pre-Biased | Yes | 40 | 6 | 50 | 50 | 0.2 | 0.65 | 0.85 | 0.3 | 1.1 | - | 70 | 100 | 30 | 5 | 0.5 | 0.5 | 0.3 | 1.1 | 100 |
Description
The AL5802LPL combines a high-gain NPN transistor with a prebiased NPN transistor to make a simple, small footprint LED driver.
The LED current is set by an external resistor connected from the REXT Pin (4) to the GND Pin (6), and the internal high gain transistor develops approximately 0.6V across the external resistor.
The AL5802LPL’s open-collector output can operate from 0.8V to 30V making it suitable for industry standard 5V to 24V power supplies without additional components.
PWM dimming of the LED current can be achieved by either driving the BIAS Pin (1) with a low impedance voltage source, or driving the EN Pin (5) with an external open-collector NPN transistor or open-drain N-Channel MOSFET.
The AL5802LPL is available in a U-DFN3030-6 (Type B) package and is ideal for driving 10mA to 120mA LED currents.
Application
- LED Signage
- General Illumination
- Emergency Lighting
Features
- Reference Voltage VREXT = 0.65V
- -40 to +125°C Operating Temperature Range
- 0.8V to 30V Open-Collector Output
- Negative Temperature Coefficient – Automatically Reduces the LED Current at High Temperatures
- Totally Lead-Free & Fully RoHS Compliant
- Halogen and Antimony Free. “Green” Device
U-DFN3030-6 (Type B)
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