Datasheet > XCL201B121ER-G

XCL201B121ER-G

更新时间： 2024-11-20 22:55:51

品牌	Logo	应用领域
特瑞仕 - TOREX		/
页数	文件大小	规格书
22页	1369K
描述
IC STEP DOWN DC/DC 1.8V CL2025

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中文翻译

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数据手册

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XCL201B121ER-G 数据手册

XCL201/XCL202Series

ETR2802-008

Inductor Built-in Step-Down “micro DC/DC” Converters

☆Green Operation Compatible

■GENERAL DESCRIPTION

The XCL201/XCL201 series is a synchronous step-down micro DC/DC converter which integrates an inductor and a control

IC in one tiny package (2.5mm×2.0mm, h=1.0mm). A stable power supply with an output current of 400mA is configured using

only two capacitors connected externally.

Operating voltage range is from 2.0V to 6.0V. Output voltage is internally set in a range from 0.8V to 4.0V in increments of

0.05V. The device is operated by 1.2MHz, and includes 0.42Ω P-channel driver transistor and 0.52Ω N-channel switching

transistor. As for operation mode, the XCL201 series is PWM control, the XCL202 series is automatic PWM/PFM switching

control, allowing fast response, low ripple and high efficiency over the full range of loads (from light load to heavy load).

During stand-by, the device is shutdown to reduce current consumption to as low as 1.0μA or less. With the built-in UVLO

(Under Voltage Lock Out) function, the internal driver transistor is forced OFF when input voltage becomes 1.4V or lower.

The series provide short-time turn-on by the soft start function internally set in 0.25ms (TYP). The series integrate C_Lauto

discharge function which enables the electric charge stored at the output capacitor C_Lto be discharged via the internal auto-

discharge switch located between the L_Xand V_SSpins. When the devices enter stand-by mode, output voltage quickly returns

to the V_SSlevel as a result of this function.

■FEATURES

Ultra Small

■APPLICATIONS

●Mobile phones, Smart phones

●Bluetooth Headsets

: 2.5mm×2.0mm, h=1.0mm

: 2.0V ~ 6.0V

Input Voltage

Output Voltage

High Efficiency

Output Current

Oscillation Frequency

Maximum Duty Cycle

Output Capacitor

Function

: 0.8V ~ 4.0V (±2.0%)

: 92% (V_IN=4.2V,V_OUT=3.3V)

: 400mA

●WiMAX PDAs, MIDs, UMPCs

●Portable game consoles

: 1.2MHz (±15%)

●Digital cameras, Camcorders

●SSD(Solid State Drive)

: 100%

: Low ESR Ceramic

: Current Limiter Circuit

(Constant Current & Latching)

Soft-Start Circuit Built-In

C_LDischarge

●PND(Portable Navigation Device)

Control Methods

: PWM (XCL201)

PWM/PFM Auto (XCL202)

Operating Ambient Temperature : -40℃ ~ 85℃

Environmentally Friendly : EU RoHS Compliant, Pb Free

■TYPICAL PERFORMANCE

CHARACTERISTICS

■TYPICALAPPLICATION CIRCUIT

XCL201B331BR/XCL202B331BR

XCL201/XCL202 Series

100

X C

(

P W

V_IN

L_X

C_IN

4.7μF

Vss

C_L

10μF

X C

L 2 0 1 (

. 0

V_OUT

400mA

. 2

O U T =

0 . 0 1 0 . 1

100

1000

(TOP VIEW)

* “L1 and L_X”, and “L2 and V_OUT” is connected by wiring.

O u t p u t CO uU (rTmr eA

1/22

12 3 4 5 6 7...22

中文翻译

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与XCL201B121ER-G相关器件

型号	品牌	获取价格	描述	数据表
XCL201B151ER-G	TOREX	获取价格	IC STEP DOWN DC/DC 1.8V CL2025
XCL201B181ER-G	TOREX	获取价格	IC STEP DOWN DC/DC 1.8V CL2025
XCL201B201ER-G	TOREX	获取价格	IC STEP DOWN DC/DC 1.8V CL2025
XCL201B251ER-G	TOREX	获取价格	IC STEP DOWN DC/DC 1.8V CL2025
XCL201B281ER-G	TOREX	获取价格	IC STEP DOWN DC/DC 1.8V CL2025
XCL201B301ER-G	TOREX	获取价格	IC STEP DOWN DC/DC 1.8V CL2025
XCL201B331ER-G	TOREX	获取价格	IC STEP DOWN DC/DC 1.8V CL2025
XCL202	TOREX	获取价格	线圈一体型
XCL202B221BR-G	TOREX	获取价格	Switching Regulator/Controller,
XCL202B221ER-G	TOREX	获取价格	Switching Regulator/Controller,

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