RN5RK 系列
8V输入VFM升压DC/DC转换器
RN5RK 系列
8V输入VFM升压DC/DC转换器
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概述
The RN5RK Series are low supply current, CMOS-based VFM step-up DC/DC converters. By simply using an inductor, a diode, and a capacitor as external components, a high-efficiency step-up DC/DC converter can be easily configured. RN5RK comes in two versions: xx1 version with an internal output transistor and xx2 version with an external transistor.
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规格
消费 输入电压范围 0.7 V to 8.0 V (9.0 V) 工作温度范围 -40°C to 85°C (125°C) 电源电流 Typ. 35 µA 待机电流 Typ. 0 µA 启动电压 Max. 0.9 V (Ver. xx1)
Max. 0.8 V (Ver. xx2)输出电压范围 2.0 V to 5.5 V (0.1 V step) 输出电压精度 ±2.5% 振荡器频率 Typ. 100 kHz 最大占空比 Min. 70%, Typ. 77% (Ver. A)
Min. 47%, Typ. 55% (Ver. B)封装 SOT-23-5 保护回路/功能
TSD ILX OCP OVP UVLO OVLO Reverse Shutdown Soft Start SSCG PGOOD Auto Discharge Anti-ringing Sequencing Max Duty Ext. Phase LED Adjust -
技术资料
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RN5RKxx1x Typical Application
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RN5RKxx2A Typical Application
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RN5RK301A Efficiency vs. Output Current
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RN5RK302A Efficiency vs. Output Current
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相关信息
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下载数据表
功能说明
TSD | 热关断电路 |
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ILX | LX Current Limit Function |
OCP | 过流保护 |
OVP | 过压保护 |
UVLO | 欠压锁定功能 |
OVLO | Overvoltage Lockout Protection |
Reverse | 反向电流保护电路 |
Shutdown | 关机功能 |
Soft Start | 软启动功能 |
SSCG | Spread Spectrum Clock Generator Function |
PGOOD | Power Good Output |
Auto Discharge | 自动放电功能 |
Anti-ringing | Anti-ringing Switch Function |
Sequencing | Start-up Sequencing Control |
Max Duty | 最大占空比 |
Ext. Phase | 外部可调相位补偿 |
LED Adjust | LED High-speed Dimming Control |