RT5707AWSC

Richtek Tech

-40℃~+85℃@(TA) 1 1.2MHz 2.2V~5.5V 360nA 400mA 700mV~3.1V Buck Buck Built-in Yes WLCSP-8(0.9x1.6) DC-DC Converters ROHS

Extended

Datasheetrichtek-tech/RT5707AWSC

Category: DC DC Converters
Package: WLCSP-8(0.9x1.6)
Pins: 8

Overview

The RT5707AWSC is a DC DC Converter made by Richtek Tech in a WLCSP-8(0.9x1.6) package with 8 pins. -40℃~+85℃@(TA) 1 1.2MHz 2.2V~5.5V 360nA 400mA 700mV~3.1V Buck Buck Built-in Yes WLCSP-8(0.9x1.6) DC-DC Converters ROHS.

PCBKit's library has its KiCad symbol (EasyEDA_Cloud:RT5707AWSC, from EasyEDA) and its footprint (Package_CSP:WLCSP-8_1.551x2.284mm_Layout2x4_P0.5mm, from KiCad's library), ready for a KiCad board. 236 are in stock at JLCPCB (part C408279).

Symbol

EasyEDA_Cloud:RT5707AWSCFrom EasyEDA

Footprint

Package_CSP:WLCSP-8_1.551x2.284mm_Layout2x4_P0.5mmFrom KiCad's library

Parameters

Features: Output discharge
Frequency - Switching: 1.2MHz
Function: Step-down type
Number of Outputs: 1
Operating Temperature: -40℃~+85℃@(TA)
Output Current: 400mA
Output Type: Adjustable
Output Voltage: 700mV~3.1V
Quiescent Current: 360nA
Switch tube (built-in/external): Built-in
Synchronous Rectifier: Yes
Topology: Buck
Voltage - Supply: 2.2V~5.5V

Order codes

RT5707AWSCLCSC C408279

Pinout

The pins of the RT5707AWSC
Pin	Name	Type
A1	SW	Unspecified
A2	VIN	Unspecified
B1	EN	Unspecified
B2	GND	Unspecified
C1	VSEL1	Unspecified
C2	VOUT	Unspecified
D1	VSEL2	Unspecified
D2	VSEL3	Unspecified

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A picture

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A picture that opens the part, for a README

[![RT5707AWSC](https://pcbkit.io/embed/parts/richtek-tech/RT5707AWSC.jpg?size=s)](https://pcbkit.io/parts/richtek-tech/RT5707AWSC)

Questions

Is there a KiCad symbol and footprint for the RT5707AWSC?

Yes. The symbol is EasyEDA_Cloud:RT5707AWSC and the footprint Package_CSP:WLCSP-8_1.551x2.284mm_Layout2x4_P0.5mm, both drawn on this page. PCBKit places them on a board for you when you design with it.

What package is the RT5707AWSC?

WLCSP-8(0.9x1.6), with 8 pins. Its footprint is drawn on this page.

Where is the RT5707AWSC datasheet?

Richtek Tech publishes it: the Datasheet link on this page opens it.

Where can I order the RT5707AWSC?

JLCPCB lists it as part C408279, with 236 in stock; the sellers' links on this page open their listings.

What can replace the RT5707AWSC?

Parts like it in the library: the RT5707WSC by Richtek Tech and the ISL9122AIINZ-T7A by Renesas Electronics. Check their datasheets: a part that fits the footprint may still differ in its ratings.