Datasheet > XCL205A203CR-G

XCL205A203CR-G

更新时间： 2024-11-18 22:58:55

品牌	Logo	应用领域
特瑞仕 - TOREX		/
页数	文件大小	规格书
27页	2301K
描述
IC BUCK SYNC 1.2V 0.6A CL-2025

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XCL205A203CR-G 数据手册

XCL205/XCL206/XCL207

Series

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

■GENERAL DESCRIPTION

ETR2801-016

☆Green Operation 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(XCL20xG:1.8V~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 0.42Ω P-channel driver transistor and 0.52Ω N-

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 (G, F)/XCL206B (G, F)/XCL207B (G, F) series provide short-time turn-on by the soft start function internally set in

0.25ms (TYP). XCL205B(C,G,F) /XCL206 B(C,G,F) / XCL207B(C,G,F) 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

Input Voltage

■APPLICATIONS

●Mobile phones, Smart phones

●Bluetooth Headsets

: 2.5mm×2.0mm, H=1.0mm

: 2.0V ~ 6.0V(A/B/C Type)

1.8V ~ 6.0V(G/F Type)

: 0.8V ~ 4.0V (+2.0%)

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

: 600mA

: 3.0MHz (+15%)

: 100%

: Low ESR Ceramic

: Active High

Output Voltage

High Efficiency

Output Current

Oscillation Frequency

Maximum Duty Cycle

Capacitor

●WiMAX PDAs, MIDs, UMPCs

●Portable game consoles

●Digital cameras, Camcorders

●Electronic dictionaries

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)

: -40℃ ~ 85℃

Operating Ambient Temperature

Environmentally Friendly

: EU RoHS Compliant, Pb Free

■TYPICAL PERFORMANCE

■TYPICAL APPLICATION CIRCUIT

CHARACTERISTICS

XCL205/206/207 Series A/B/C/G Types

XCL205A333xx/XCL206A333xx/XCL207A333xx

100

XCL206/XCL207(PWM/PFM)

L_X

V_IN

CIN

10μF

4.7μF

Vss

VIN= 5.5V

5.0V

600m

V_OUT

CE/MOD

4.2V

XCL205/XCL207

(PWM)

VOUT=3.3V

(TOP VIEW)

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

0.1

100

1000

Output Current:IOUT (mA)

1/27

12 3 4 5 6 7...27

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与XCL205A203CR-G相关器件

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