Datasheet > XC9276

XC9276

更新时间： 2023-12-06 20:01:18

品牌	Logo	应用领域
特瑞仕 - TOREX		/
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31页	1398K
描述
200nA超低电流消耗

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XC9276 数据手册

XC9276Series

ETR05070-006c

Ultra-Low Quiescent Current, Synchronous Step-Down PFM DC/DC Converter

with Output voltage selectable function

☆Green Operation compatible

■GENERAL DESCRIPTION

The XC9276 Series is a 150mA step-down synchronous rectification DC/DC converter which has an output voltage switch-

over function with an ultra-low power consumption circuit and a PFM control.

The efficiency performance at a light load current is dramatically improved by implementing ultra-low power consumption

circuits which has 200nA consumption current, and PFM control method. Additionally two-preset output voltage switchover

function is available with using V_SETpin.

This function can select an appropriate output voltage based on the MCU behavior mode and contribute a power

consumption reduction for a total system. Due to these functions, XC9276 series are suitable for equipment which needs a

high efficiency performance at a light load current, and a long-time battery life.

XC9276 series are compatible to 2.2uH inductor therefore it can reduce an output ripple voltage which is a negative side of

PFM control method, and a PCB board area size.

■FEATURES

Input Voltage Range

Output Voltage Setting

■APPLICATIONS

1.8V ~ 6.0V

●

Smart meter

0.5V ~ 1.9V (0.05V increments)

2.0V ~ 3.6V (0.1V increments)

±20mV (V_OUT1,2≦1.0V)

±2.0% (V_OUT1,2＞1.0V)

150mA

Low Power RF

Sensor Module

Output Voltage Accuracy

Wearable Devices

Energy Harvest devices

Back-up power supply circuit

Smart card

Output Current

Supply Current

Control Method

Function

200nA @ VOUT=1.8V (TYP.)

PFM control

Output Voltage selectable function

CL Discharge (D Type)

UVLO function

Devices with 1 Lithium cell

Protection Functions

Input / Output Capacitor

Operation Ambient Temperature

Package

Short Protection

Ceramic Capacitor Compatible

-40 ~ 85℃

WLP-6-03 (1.72 x 1.07x 0.33mm)

SOT-26W (2.9 x 2.8 x 1.3mm)

USP-8B06 (2.0 x 2.0 x 0.33mm)

EU RoHS compliant, Pb Free

Environmentally Friendly

■TYPICAL PERFORMANCE

■

TYPICAL APPLICATION CIRCUIT

CHARACTERISTICS

V_OUT= 1.8V

L=GLUHK2R201A(2.2μH), C_IN,C_L=GRM188R61A106ME69(10μF)

100

XC9276B1410R-G

V_IN

1.8 ~ 6.0V

L : 2.2μH

L_X

V_IN

V_OUT

0.7V/150mA (VSET=”L”)

1.8V/150mA (VSET=”H”)

C_IN

C_L

(Ceramic)

V_OUT

(Ceramic)

VSET

GND

VIN = 2.7V

VIN = 3.6V

VIN = 4.2V

0.001

0.01

0.1

100

IOUT(mA)

1/31

12 3 4 5 6 7...31

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