BP1808

BRIGHT POWER Semiconductor
BP1808 晶丰明源半导体 Boost, Buck and Buck-Boost DC/DC LED Driver Description Features The BP1808 is a DC/DC constant current LED driver with an integrated 70V/300mΩ MOSFET designed for a wide input-voltage range of 3V to 60V. The BP1808 can be configured as Buck, Boost and BuckBoost topology.             With a current sense reference of 200mV, the LED current is programmed b...
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BP1808 晶丰明源半导体 Boost, Buck and Buck-Boost DC/DC LED Driver Description Features The BP1808 is a DC/DC constant current LED driver with an integrated 70V/300mΩ MOSFET designed for a wide input-voltage range of 3V to 60V. The BP1808 can be configured as Buck, Boost and BuckBoost topology.             With a current sense reference of 200mV, the LED current is programmed by an external current sense resistor and the power loss is minimized. The BP1808 allows both analog and PWM dimming by DIM pin. The fixed 420kHz operating frequency minimizes size of external inductor, input and output capacitor. Current mode operation provides fast transient response and easy loop stability. BP1808 offers rich protection functions including VDD under voltage protection, output over voltage protection, cycle-by-cycle peak current limit and thermal regulation. Wide 3V to 60V Input Voltage Range Supporting Boost, Buck-Boost, Buck Topology Integrated 70V/300mΩ MOSFET ±3% LED Output Current Accuracy Combined Analog and PWM Dimming Fixed 420kHz operating Frequency Adjustable Soft-Start Cycle-by-Cycle Peak Current Limiting VDD Under Voltage Protection Programmable Over Voltage Protection Thermal Regulation Function Available in SOP8-EP Package Applications      MR16 LED Lighting Smart Dimming LED lighting Automotive LED Lighting Solar LED lighting Other LED Lighting The BP1808 adopts SOP8-EP package for enhanced power dissipation. Typical Application (Boost) 5 SW 6 VDD VIN VOUT 7 CS 8 BP1808 2 COMP OVP 1 3 DIM GND 4 option Figure 1. Typical application (Boost) Ordering Information BP1808_EN _DS_Rev.1.1 www.bpsemi.com BPS Confidential – Customer Use Only 1 PDF
Документация на BP1808 

概述

Дата модификации: 20.12.2023

Размер: 717.7 Кб

9 стр.

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