Datasheet > XC9265A20BMR-G

XC9265A20BMR-G

更新时间： 2025-07-18 18:21:47

品牌	Logo	应用领域
特瑞仕 - TOREX		开关驱动晶体管转换器
页数	文件大小	规格书
30页	958K
描述
XC9265系列产品对应陶瓷电容,内置了0.4Ω(TYP.)P沟道驱动晶体管,及0.4Ω (TYP.)N沟道同步整流开关晶体管,超低消耗降压同步整流DC/DC转换器。采用PFM控制实现了超低电流

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XC9265A20BMR-G 数据手册

XC9265Series

ETR05053-004

Ultra Low Power Synchronous Step-Down PFM DC/DC Converter

☆GreenOperation Compatible

■GENERAL DESCRIPTION

XC9265 series are Ultra Low Power synchronous-rectification 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 1.0V to 4.0V(accuracy: ±2.0%) 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, XC9265 series has UVLO release voltage of 1.8V (Typ.).

The product with C

discharge function 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.

■FEATURES

■APPLICATIONS

Input Voltage Range

2.0V~6.0V

●

Wearable Devices

Output Voltage Setting

Output Current

1.0V~4.0V (±2.0%, 0.05V step increments)

Smart meters

200mA(XC9265A/C)

50mA(XC9265B/D)

Bluetooth units

Driver Transistor

0.4Ω (Pch Driver Tr)

Energy Harvest devices

Back up power supply circuits

Portable game consoles

Devices with 1 Lithium cell

0.4Ω (Nch Synchronous rectifier Switch Tr)

0.50μA @ V^OUT(T)=1.8V (TYP.)

PFM control

Supply Current

Control Method

High Speed Transient

PFM Switching Current

50mV (V^IN=3.6V, VOUT=1.8V, IOUT=10μA→50mA)

330mA(XC9265A/C), 180mA(XC9265B/D)

Function

Short Protection

CL Discharge(XC9265C/ D)

UVLO

Ceramic Capacitor Compatible

-40～+85℃

Operation Ambient Temperature

Package

SOT-25, USP-6EL

Environmentally Friendly

EU RoHS compliant, Pb Free

■TYPICAL PERFORMANCE

■TYPICAL APPLICATION CIRCUIT

CHARACTERISTICS

●Efficiency vs. Output Current

XC9265B181xR-G(V_OUT=1.8V)

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

C_L=22μF(JMK107BJ226MA)

100

V_IN

V_OUT

V_IN

L_X

C_IN

(Ceramic)

C_L

(Ceramic)

V_OUT

V_IN=4.2V

V_IN=3.6V

GND

V_IN=2.7V

0.01

0.1

100

Output Current : I_OUT(mA)

1/30

12 3 4 5 6 7...30

中文翻译

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