RP517 系列
0.3V 低输出电压 低静态电流 300mA 降压DC/DC转换器

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  • 概述

    RP517 is a low-voltage resistance buck DC/DC converter featuring ultra-low 0.3 µA quiescent current and 0.3 V output voltage. Suitable for wearable and IoT devices which require long-life batteries and downsizing.

    • Ultra-low consumption current (IQ: 0.3 µA) with the VFM control for DC/DC (switching frequency: 1 MHz max.)
    • Suitable for low power devices due to its ultra-low output voltage range from 0.3 V to 1.2 V
    • Suitable for coin batteries and USB ports due to its wide input range from 1.8 V to 5.5 V
    • Selectable 3 packages: WLCSP, DFN and SOT. Suitable for IC cards due to WLCSP’s thickness of 0.4 mm and less.

  • 规格
    消费
    输入电压范围 1.8 V to 5.5 V (6.5 V)
    工作温度范围 -40°C to 85°C (125°C)
    待机电流 Typ. 0.01 µA
    工作静态电流 Typ. 0.3 µA
    输出电压范围 0.3 V to 1.2 V (0.1 V step)
    输出电压精度 ±18 mV (Ta = 25°C)
    输出电流 300 mA
    振荡器频率 Typ. 1 MHz
    最大占空比 Typ. PMOS 0.15 Ω, NMOS 0.15 Ω (RP517Z)
    封装 WLCSP-8-P1, DFN(PLP)2527-10, SOT-89-5

    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
    • Typical Application

      Typical Application

    • Efficiency vs. Output Current (VOUT = 0.5 V)

      Efficiency vs. Output Current (VOUT = 0.5 V)

  • 品质&封装
    • 有关产品的详细信息,请参见数据表。
    • 封装文件包括封装尺寸,卷带规格,卷带盘尺寸,功耗和建议的焊盘图案。
    • 请联系我们或我们的代理商以获取未发布的可靠性信息。

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功能说明

TSD 热关断电路
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

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分类:DC / DC开关稳压器

拓扑结构 Buck
输入电压
min (V)
1.8
输入电压
max (V)
5.5
输出电压
min (V)
0.3
输出电压
max (V)
1.2
输出电流
(mA)
300
消费电流
(µA)
0.3