Light-Management IC with Efficient 1x/1.5x/2x Charge Pump for Backlight/Flash/RGB LEDs

General Description The MAX1707 provides complete light management for main display backlight, subdisplay backlight (or RGB indicator), and white LED camera flash with regulated constant current up to 610mA total. By utilizing adaptive 1x/1.5x/2x charge-pump modes and very-lowdropout current regu

文件：793.21 Kbytes 頁數(shù)：15 Pages

MAXIM

美信

照明管理IC，提供高效的1倍/1.5倍/2倍電荷泵，用于背光/閃光燈/RGB LED

MAX1707能提供高達610mA的恒定電流，為主屏背光，子屏背光(或RGB指示燈)和白光LED相機閃光燈提供完整的照明管理方案。通過自適應1倍/1.5倍/2倍電荷泵和超低壓差電流調節(jié)器，該器件能夠在1節(jié)Li+電池的整個輸入電壓范圍內保持高效。1MHz固定開關頻率允許使用非常小的外部元件，同時優(yōu)化了調節(jié)方案，可確保低EMI和低輸入紋波。內置降額功能可避免LED在高環(huán)境溫度下出現(xiàn)過熱。\n MAX1707集成了一個內部可調基準，用于設置最大LED電流。通過I2C串口實現(xiàn)開/關控制，并以32級線性方式設置LED電流。當采用RGB指示燈時，I2C接口可提供32k中顏色和可編程設置的上升/下降斜率。可 \n? 確保610mA連續(xù)驅動能力 \n? 能夠驅動4路LED，每路30mA，用于主屏 \n? 能夠驅動3路LED，每路30mA，用于子屏或RGB \n? 400mA的總驅動電流，用于閃光燈 \n? 2線I2C串行接口 \n? 5位(32級)線性亮度調節(jié) \n? 32k中顏色 \n? 上升/下降斜率 \n? 92%峰值/83%平均效率(PLED/PBATT) \n? 自適應1倍/1.5倍/2倍模式切換 \n? 0.3% (典型值) LED電流精度和匹配度 \n? 低輸入紋波和EMI \n? 0.1μA低關斷電流 \n? 輸出過壓保護 \n? 高溫降額功能保護LED \n;

ADI

亞德諾

Boost Regulator with Integrated Charge Pumps, Switch Control, and High-Current Op Amp

General Description The MAX17075 includes a high-voltage boost regulator, one high-current operational amplifier, two regulated charge pumps, and one MLG block for gate-driver supply modulation. ??? Features ? 2.5V to 5.5V Input Operating Range ? Current Mode Step-Up Regulator ??? Fast-Trans

文件：1.23667 Mbytes 頁數(shù)：22 Pages

MAXIM

美信

Boost Regulator with Integrated Charge Pumps, Switch Control, and High-Current Op Amp

General Description The MAX17075 includes a high-voltage boost regulator, one high-current operational amplifier, two regulated charge pumps, and one MLG block for gate-driver supply modulation. ??? Features ? 2.5V to 5.5V Input Operating Range ? Current Mode Step-Up Regulator ??? Fast-Trans

文件：1.23667 Mbytes 頁數(shù)：22 Pages

MAXIM

美信

4-Level or 2-Level Logic to High-Voltage Level Shifter for TFT LCD TV Display

General Description The MAX17079 is a 7-channel logic-level input to high voltage output level shifter. Each channel has two inputs plus a shared enable input. Each channel has two outputs, which can be set to five output levels. Two outputs are complementary to each other. The five output leve

文件：524.37 Kbytes 頁數(shù)：13 Pages

MAXIM

美信

4-Level or 2-Level Logic to High-Voltage Level Shifter for TFT LCD TV Display

General Description The MAX17079 is a 7-channel logic-level input to high voltage output level shifter. Each channel has two inputs plus a shared enable input. Each channel has two outputs, which can be set to five output levels. Two outputs are complementary to each other. The five output leve

文件：524.37 Kbytes 頁數(shù)：13 Pages

MAXIM

美信

Light-Management IC with Efficient 1x/1.5x/2x Charge Pump for Backlight/Flash/RGB LEDs

General Description The MAX1707 provides complete light management for main display backlight, subdisplay backlight (or RGB indicator), and white LED camera flash with regulated constant current up to 610mA total. By utilizing adaptive 1x/1.5x/2x charge-pump modes and very-lowdropout current regu

文件：793.21 Kbytes 頁數(shù)：15 Pages

MAXIM

美信

Boost Regulator with Integrated Charge Pumps, Switch Control, and High-Current Op Amp

文件：605.96 Kbytes 頁數(shù)：23 Pages

MAXIM

美信

1.2MHz Switching Frequency

文件：168.04 Kbytes 頁數(shù)：7 Pages

MAXIM

美信

Boost Regulator with Integrated Charge Pumps, Switch Control, and High-Current Op Amp

文件：605.96 Kbytes 頁數(shù)：23 Pages

MAXIM

美信