圣邦微10路串联背光驱动:SGM3727的优势

圣邦微电子背光驱动：SGM3727Welcome to

High Efficiency 40V Step up Series WLED Driver

SGM3727

40V Step-Up WLED Driver ―SGM3727/9
FEATURES


High-Efficiency Boost DC/DC WLED Bias Supply Internal 40V, 0.6Ω Power MOSFET Up to 10 Serial White LEDs per String Switch Current Limit: 1A Wire Interface 32 Brightness Levels / PWM for LED Dimming Programmable OVP Voltage Soft-Start Function No Leakage from VIN to GND through LED String Thermal Shutdown Cycle-by-Cycle Over Current Protection -40℃ to +85℃ Operating Temperature Range Available in Green TDFN-2×2-8L Package

Single

主要优点：
1、封装小 2x2x0.8，适合智能机空间紧张 的需求。 2、OVP外置可调，不同灯数同一驱动，避 免同一功能多个型号。 3、电感选择可以为2.2uH，封装为2.5*2.5 小封装，节省成本。 4、独立接地焊盘，散热性能好 5、短路保护、过流保护 6、软启动功能，防止过冲。 7、价格优势，性价比高，交货周期短

2

Mhofy 2011/12/15

SGM3727 Pin Definition

Package : TDFN-2x2-8L This is N