Datasheet > RT5707A

RT5707A

更新时间： 2024-02-28 11:17:39

品牌	Logo	应用领域
立锜 - RICHTEK		/
页数	文件大小	规格书
16页	456K
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技术参数
数据手册

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RT5707A 技术参数

Status：	Active	Vin (min) (V)：	2.2
Vin (max) (V)：	5.5	Number of Outputs：	1
Vout (min) (V)：	0.7	Vout (max) (V)：	3.1
Preset Vout (V)：		Output Adj. Method：	Digital
Iout (max) (A)：	0.4	Current Limit (typ) (A)：	0.78
Freq (typ) (kHz)：	1200	Freq (min) (kHz)：
Freq (max) (kHz)：		Ext Sync：
Ron_HS (typ) (mOhm)：	350	Ron_LS (typ) (mOhm)：	250
Iq (typ) (mA)：	0.00046	Features：	100% Duty Cycle;COT Control;Enable Input;Internal Compensation;OCP;PSM
Package Type：	WL-CSP0.9x1.6-8(BSC)	Datasheet：	https://datasheet5.oss-cn-shanghai.aliyuncs.com/datasheets/richtek/DS5707A-03.pdf

RT5707A 数据手册

RT5707/A

Ultra-Low Quiescent Current HCOT Buck Converter

General Description

Features

^Input Voltage Range : 2.2V to 5.5V

^Programmable Output Voltage 8-Level

^RT5707 1.2V to 3.3V

The RT5707/A is a high efficiency synchronous step-down

converter featuring typ. 360nA quiescent current. It provides

high efficiency at light load down to 10mA. Its input voltage

range is from 2.2V to 5.5V. The RT5707 provides eight

programmable output voltage 1.2V to 3.3V while delivering

output current up to 600mA, peak to 1A. The RT5707A

provides eight programmable output voltage 0.7V to 3.1V

while delivering output current up to 400mA, peak to 0.5A.

^RT5707A 0.7V to 3.1V

^Typ. 360nA Quiescent Current

^PSM Operation

^Up to 94% Efficiency

^Internal Compensation

^Output Voltage Discharge

^Over-Current Protection

The Hysteretic Constant-On-Time (HCOT) operation with

internal compensation allow the transient response to be

optimized over a wide range of loads and output capacitors.

^Over-Temperature Protection

^Output Current

The RT5707/A is a available in WL-CSP-8B 0.9x1.6 (BSC)

package.

^RT5707 600mA, Peak to 1A

^RT5707A 400mA, Peak to 0.5A

 Automatic Transition to 100% Duty Cycle Operation

Ordering Information

Applications

RT5707/A

 Hand-HeldDevices

 Portable Information

 Battery Powered Equipment

 WearableDevices

 Internet of Things

Package Type

WSC : WL-CSP-8B 0.9x1.6 (BSC)

Note :

Richtek products are :

 RoHS compliant and compatible with the current require-

ments of IPC/JEDEC J-STD-020.

 Suitable for use in SnPb or Pb-free soldering processes.

 Smart Watch

Simplified Application Circuit

RT5707/A

VIN

OUT

VOUT

VSEL1

VSEL2

VESL3

or GND

GND

is a registered trademark of Richtek Technology Corporation.

DS5707/A-03 February 2019

www.richtek.com

12 3 4 5 6 7...16

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