Datasheet > RAA211605

RAA211605

更新时间： 2024-11-30 14:58:11

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
17页	1638K
描述
60V 0.5A DC/DC Step-Down Regulator with 450kHz Switching Frequency

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RAA211605 数据手册

Datasheet

RAA211605

60V 0.5A DC/DC Step-Down Regulator with 450kHz Switching Frequency

The RAA211605 is a DC/DC step-down buck

regulator that supports a wide operating input voltage

range (from 4.5V to 60V) and adjustable output

voltage. It can deliver up to continuous 0.5A output

current with excellent load regulation and line

regulation performance.

Features

▪ Wide input voltage range: 4.5V to 60V

▪ Adjustable output voltage

▪ Up to 0.5A output current

▪ Internal compensation

▪ Internal soft start

The RAA211605 employs peak-current mode control

with a 450kHz nominal switching frequency and pulse

skipping mode under light load. It provides fast and

robust transient response performance. Internally

implemented soft-start and loop compensation

circuitry also help to simplify design and minimize

BOM cost.

▪ 600mΩ internal MOSFET

▪ 450kHz nominal switching frequency

▪ Pulse skipping mode under light load condition

▪ Cycle-by-cycle current limit

▪ Input voltage UVLO and output voltage

undervoltage protection

The RAA211605 also offers protection features such

as cycle-by-cycle current limit, input voltage UVLO,

output voltage undervoltage protection, and thermal

shutdown.

▪ Thermal shutdown

▪ Available in the TSOT23-6 package

Applications

▪ Power meters

The RAA212605 is available in the TSOT23-6

package.

▪ Battery powered devices

▪ Distributed power systems

▪ Handheld power tools

V_INUp to 60V

VIN

BST

C_BOOT

C_IN

R_IN1

V_OUT

L₁

D₁

R_IN2

C_OUT

RAA211605

R_FB1

GND

R_FB2

Figure 1. Typical Application Schematic

R16DS0175EU0106 Rev.1.06

Mar 24, 2023

Page 1

12 3 4 5 6 7...17

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