Datasheet > XCL205C123AR-G

XCL205C123AR-G

更新时间： 2024-11-05 05:53:19

品牌	Logo	应用领域
特瑞仕 - TOREX		转换器电感器
页数	文件大小	规格书
26页	558K
描述
Inductor Built-in Step-Down micro DC/DC Converters

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中文翻译

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XCL205C123AR-G 数据手册

XCL205/XCL206/XCL207Series

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

■GENERAL DESCRIPTION

ETR2801-008

☆GreenOperation Compatible

The XCL205/XCL206/XCL207 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 600mA 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 3.0MHz, and includes 0.42ΩP-channel driver transistor and 0.52ΩN-channel switching

transistor. As for operation mode, the XCL205 series is PWM control, the XCL206 series is automatic PWM/PFM switching

control and the XCL207 series can be manually switched between the PWM control mode and the automatic PWM/PFM

switching control mode, 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. XCL205B/XCL206B/XCL207B series provide short-time turn-on by the soft start function internally set in 0.25 ms

(TYP). XCL205B(C) /XCL206 B(C) / XCL207B(C) 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

Capacitor

: 0.8V ~ 4.0V (+2.0%)

: 90% (V_IN=4.2V, V_OUT=3.3V)

: 600mA

●WiMAX PDAs, MIDs, UMPCs

●Portable game consoles

●Digital cameras, Camcorders

●Electronic dictionaries

: 3.0MHz (+15%)

: 100%

: Low ESR Ceramic

: Active High

CE Function

Soft-Start Circuit Built-In

C_LHigh Speed Auto Discharge

:Current Limiter Circuit Built-In

(Constant Current & Latching)

: PWM (XCL205)

Protection Circuits

Control Methods

PWM/PFM Auto (XCL206)

PWM/PFM Manual (XCL207)

* Performance depends on external components and wiring on the PCB.

■TYPICAL APPLICATION CIRCUIT

■TYPICAL PERFORMANCE

CHARACTERISTICS

XCL205A333xx/XCL206A333xx/XCL207A333xx

XCL205/206/207 Series

100

XCL206/XCL207(PWM/PFM)

L_X

V_IN

CIN

VIN= 5.5V

5.0V

10μF

4.7μF

Vss

600mA

4.2V

XCL205/XCL207

(PWM)

V_OUT

CE/MODE

VOUT=3.3V

(TOP VIEW)

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

0.1

100

1000

Output Current:I_OUT(mA)

1/26

12 3 4 5 6 7...26

中文翻译

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XCL205C1A3AR-G	TOREX	获取价格	Switching Regulator/Controller
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