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MAX17116

用于AMOLED的双输出DC/DC电源

具有业内最高效率和精度，提高OLED成像质量，延长电池寿命

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概述

说明

MAX17116包括2路电流模式、1.4MHz开关电源(SMPS)调节器，用于有源矩阵有机发光二极管(AMOLED)显示器。正电源由同步整流升压调节器提供；负电源由同步整流反相调节器提供。

升压型DC-DC转换器为高精度250mA稳压器，内置功率MOSFET开关和同步整流器。同步整流有助于提高效率，并提供真正的关断功能(True Shutdown™)。3.7V输入，输出为4.6V (固定)、150mA时，效率高达85%。内置7位数字软启动功能，控制启动浪涌电流。

反相DC-DC转换器为高精度250mA稳压器，内置功率MOSFET开关和同步整流器。3.7V输入，输出为-5.4V至-1.5V、150mA时，效率高达80%。内置7位数字软启动功能，控制启动浪涌电流。内部设置输出电压，采用特定的通信协议通过EN引脚进行调节。

IC采用12引脚、3mm x 3mm x 0.5mm、带有裸焊盘的超薄型DFN封装(0.5mm焊距便于超薄型电路板设计)和24引脚、4mm x 4mm、带有裸焊盘的薄型QFN封装。

MAX17116: 典型工作电路

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关键特性

2.3V至4.2V输入电压范围
高性能PWM升压调节器
- 固定4.6V、250mA输出
- 高精度(±1.0%)
- 1.4MHz开关频率
- 内置6V/0.25Ω n沟道MOSFET，提供无损电流检测功能
- 内置6V/0.5Ω p沟道MOSFET同步整流器
- 逐周期限流
- 150mA下，效率高达85%
- 良好的低占空比工作
高性能PWM反相调节器
- 可编程250mA输出
- 高精度(±1%)
- 可调节控制输出电压摆率
- 1.4MHz开关频率
- 内置14V/25Ω p沟道MOSFET，提供无损电流检测功能
- 内置14V/25Ω n沟道MOSFET同步整流器
- 逐周期限流
- 150mA下，效率高达80%
两路输出均具有真关断
定时器延迟输出，控制两路输出的欠压关断
热过载保护
12引脚、3mm x 3mm、超薄型DFN封装和24引脚、4mmx4mm、TQFN封装

应用

汽车导航
OLED显示器
电话，DSC显示器

设计资源

质量和环境数据

申请可靠性报告: MAX17116
无铅封装的锡（Sn）晶须报告

质量与环境

型号	生产流程	工艺	样本量	不合格	FIT @ 25°C	FIT @ 55°C

备注：通过技术手段对故障率进行汇总，并映射到相关的材料部件号。故障率与被测件的数量密切相关。

质量管理体系 >
环境管理体系 >

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