圣邦微模拟产品在智能手机上的应用

圣邦微产品在智能手机上的应用01White-LED Driver
LED特点:
体积小(晶片小、封装小) 驱动电压低(1.8―4.5V) 功耗低(40--100mW) 高亮度,冷光源 快闪(10ns---100ns) 寿命长(>10万小时) 坚固耐用(环氧树脂封装) 环保(无汞)

2

Mhofy 20120202

High Performance Analog

6路并联： SGM3138/B SGM3139/B SGM3142 8路并联： SGM3145 SGM3146 10路串联： SGM3727 SGM3729 Oled 驱动： SGM6601
3
King / Mhofy 2011/12/15

High Performance Analog

6 LEDs --- 3138B / 3138 / 3139B/3144
27mA/ch 1x/1.5x 1-wire 20mA/ch 1x/1.5x 1-wire

高清高亮
SGM3138B

高性价比
SGM3138

CABC
SGM3144
4
Mhofy 2011/12/15

27mA/ch 1x/1.5x PWM

20mA/ch 1x 1-wire

价格压力
SGM3139B
High Performance Analog

8 LEDs PWM / 1-Wire Dimming ---3145/6
FEATURES


Input Voltage Range: 2.7V to 5.5V Drives up to 8 LEDs at 27mA Each PWM /1-wire Dimming High Efficiency by Fractional Conversion with 1× and 1.5× Modes Switching Frequency: 0.86MHz Regulated Output Curre