Datasheet > RAA211405

RAA211405

更新时间： 2024-11-30 15:18:27

品牌	Logo	应用领域
瑞萨 - RENESAS		/
页数	文件大小	规格书
26页	4227K
描述
40V, 300mA ultra-low quiescent current Step-down regulator 5V fixed output

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RAA211405 数据手册

Datasheet

RAA211403, RAA211405

40V, 300mA, 4µA I DC/DC Step-Down Regulator

The RAA211403 and RAA211405 are tiny,

Features

▪ 7V to 40V input supply range

easy-to-use, ultra-low quiescent current (I ) buck

regulators with a wide input voltage range of 7V to

40V and up to 300mA output current. RAA211403 has

a fixed output voltage of 3.3V, and the RAA211405

output voltage is 5V.

▪ Up to 300mA output current

▪ I = 4µA at 40V, at no load conditions, switching

▪ I = 2.5µA at 40V at no load and no switching

conditions

The devices offer comprehensive protections,

▪ RAA211403 is fixed 3.3V V

, RAA211405 is

OUT

including V UVLO, V

OVP, overcurrent, and

OUT

fixed 5V V

OUT

over-temperature protections.

▪ Minimum on-time of 75ns

The devices are offered in a TSOT23-5 package.

▪ Variable frequency operation, frequency

programmed by external inductor (4.7µH to 15µH)

Applications

▪ Pre-bias, monotonic, and smooth start-up

▪ General purpose or LDO replacement

▪ Industrial power supplies

▪ Embedded systems and I/O supplies

▪ E-Bikes, Power tools

▪ Protections: Overcurrent (OC) Limit, input

Undervoltage Lockout (UVLO), Over-Temperature

Protection (OTP), output Overvoltage Protection

(OVP)

▪ Home/Industrial Automation

▪ Accurate EN threshold

▪ Package: TSOT23-5 (2.9mm×1.63mm)

Programmable Feature

▪ Inductor: Change switching frequency

▪ Enable: Turn on/off with external logic or connect

EN to V

VIN

C_IN

GND

V_OUT= 3.3 or 5 V

VOUT

RAA211403/405

C_OUT

Figure 1. Typical Application Circuit

R16DS0267EU0103 Rev.1.03

Dec 1, 2023

Page 1

12 3 4 5 6 7...26

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