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 页数：15 Pages

Maxim

美信

照明管理IC，提供高效的1倍/1.5倍/2倍电荷泵，用于背光/闪光灯/RGB LED

MAX1707能提供高达610mA的恒定电流，为主屏背光，子屏背光(或RGB指示灯)和白光LED相机闪光灯提供完整的照明管理方案。通过自适应1倍/1.5倍/2倍电荷泵和超低压差电流调节器，该器件能够在1节Li+电池的整个输入电压范围内保持高效。1MHz固定开关频率允许使用非常小的外部元件，同时优化了调节方案，可确保低EMI和低输入纹波。内置降额功能可避免LED在高环境温度下出现过热。\n MAX1707集成了一个内部可调基准，用于设置最大LED电流。通过I²C串口实现开/关控制，并以32级线性方式设置LED电流。当采用RGB指示灯时，I²C接口可提供32k中颜色和可编程设置的上升/下降斜率。可 \n• 确保610mA连续驱动能力 \n• 能够驱动4路LED，每路30mA，用于主屏 \n• 能够驱动3路LED，每路30mA，用于子屏或RGB \n• 400mA的总驱动电流，用于闪光灯 \n• 2线I²C串行接口 \n• 5位(32级)线性亮度调节 \n• 32k中颜色 \n• 上升/下降斜率 \n• 92%峰值/83%平均效率(PLED/PBATT) \n• 自适应1倍/1.5倍/2倍模式切换 \n• 0.3% (典型值) LED电流精度和匹配度 \n• 低输入纹波和EMI \n• 0.1µA低关断电流 \n• 输出过压保护 \n• 高温降额功能保护LED \n;

ADI

亚德诺

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 页数：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 页数：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 页数：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 页数：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 页数：15 Pages

Maxim

美信

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

文件：605.96 Kbytes 页数：23 Pages

Maxim

美信

1.2MHz Switching Frequency

文件：168.04 Kbytes 页数：7 Pages

Maxim

美信

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

文件：605.96 Kbytes 页数：23 Pages

Maxim

美信