Datasheet > XC9272A09B4R-G

XC9272A09B4R-G

更新时间： 2024-09-17 22:58:47

品牌	Logo	应用领域
特瑞仕 - TOREX		/
页数	文件大小	规格书
25页	1921K
描述
IC REG BUCK 0.95V 50MA SYNC 6USP

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中文翻译

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XC9272A09B4R-G 数据手册

XC9272 Series

ETR05057-003

Ultra Low Quiescent Current Synchronous Step-Down PFM DC/DC Converter for Low Output Voltage

☆GreenOperation compatible

■GENERAL DESCRIPTION

XC9272 series are Ultra Low Quiescent Current synchronous-rectification for Low Output Voltage type PFM step down

DC/DC converters with a built-in 0.4Ω (TYP.) Pch driver and 0.4Ω (TYP.) Nch synchronous switching transistor, designed to

allow the use of ceramic capacitor.

PFM control enables a low quiescent current, making these products ideal for battery operated devices that require high

efficiency and long battery life.

Only inductor, C^INand C capacitors are needed as external parts to make a step down DC/DC circuit.

Operation voltage range is from 2.0V to 6.0V. This product has fixed output voltage from 0.6V to 0.95V(accuracy: ±20mV) in

increments of 0.05V.

During stand-by, all circuits are shutdown to reduce consumption to as low as 0.1μA(TYP.) or less.

With the built-in UVLO (Under Voltage Lock Out) function, the internal P-channel MOS driver transistor is forced OFF when

input voltage gets lower than UVLO detection voltage. Besides, XC9272 series has UVLO release voltage of 1.8V (Typ.).

The product with C

discharge function, XC9272B type, can discharge C capacitor during stand-by mode due to the internal

resistance by turning on the internal switch between V_OUT-GND. This enables output voltage restored to GND level fast.

■APPLICATIONS

■FEATURES

Input Voltage Range

2.0V~6.0V

●

Electric devices with GPS

Output Voltage Setting

Output Current

0.6V~0.95V (±20mV, 0.05V step increments)

50mA

Wearable devices

Energy Harvest devices

Backup power supply circuits

Devices with 1 Lithium cell

Driver Transistor

0.4Ω (Pch Driver Tr)

0.4Ω (Nch Synchronous rectifier Switch Tr)

0.50μA @ VOUT(T)=0.7V (TYP.)

PFM control

Supply Current

Control Method

High Speed Transient

PFM Switching Current

50mV (VIN=3.6V, VOUT=0.7V, IOUT=10μA→50mA)

180mA

Function

Short Protection function

CL Discharge(XC9272B type)

UVLO function

Ceramic Capacitor Compatible

-40～+85℃

Operation Ambient Temperature

Package

SOT-25, USP-6EL

Environmentally Friendly

EU RoHS compliant, Pb Free

■TYPICAL PERFORMANCE

CHARACTERISTICS

●Efficiency vs. Output Current

■TYPICAL APPLICATION CIRCUIT

XC9272A071xR-G(V_OUT=0.7V)

L=10μH(VLF302512M-100M),C_IN=10μF(LMK107BJ106MA),

C_L=22μF(JMK107BJ226MA)

100

VIN=2.0V

V_IN

V_OUT

V_IN

L_X

C_IN

(Ceramic)

C_L

(Ceramic)

V_OUT

VIN=3.6V

GND

0.01

0.1

100

Output Current : I_OUT(mA)

1/24

12 3 4 5 6 7...25

中文翻译

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与XC9272A09B4R-G相关器件

型号	品牌	获取价格	描述	数据表
XC9272B0614R-G	TOREX	获取价格	IC REG BUCK 0.6V 50MA SYNC 6USP
XC9272B06B4R-G	TOREX	获取价格	IC REG BUCK 0.65V 50MA SYNC 6USP
XC9272B0714R-G	TOREX	获取价格	IC REG BUCK 0.7V 50MA SYNC 6USP
XC9272B0814R-G	TOREX	获取价格	IC REG BUCK 0.8V 50MA SYNC 6USP
XC9272B08B4R-G	TOREX	获取价格	IC REG BUCK 0.85V 50MA SYNC 6USP
XC9272B0914R-G	TOREX	获取价格	IC REG BUCK 0.9V 50MA SYNC 6USP
XC9272B09B4R-G	TOREX	获取价格	IC REG BUCK 0.95V 50MA SYNC 6USP
XC9274	TOREX	获取价格	COT Control, 3.0A Synchronous Step-Down DC/DC Converters
XC9275	TOREX	获取价格	COT Control, 3.0A Synchronous Step-Down DC/DC Converters
XC9275C06CQR-G	TOREX	获取价格	Switching Regulator,

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