XCL207A253AR-G datasheet(10/26 Pages) TOREX

Part #	XCL207A253AR-G

Description	Inductor Built-in Step-Down micro DC/DC Converters

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Manufacturer	TOREX [Torex Semiconductor]

Direct Link	http://www.torex.co.jp

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10 / 26 page

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XCL205/XCL206/XCL207 Series

■

ELECTRICAL CHARACTERISTICS (Continued)

●

PFM Switching Current (IPFM) by Nominal Output Voltage (XCL206/XCL207 Series)

NOMINAL OUTPUT VOLTAGE

MIN.

TYP.

MAX.

0.8V ≦ VOUT(T) ≦ 1.2V

190mA

260mA

350mA

1.2V ＜ VOUT(T) ＜1.8V

180mA

240mA

300mA

1.8V ≦ VOUT(T) ≦ 4.0V

170mA

220mA

270mA

●

Input Voltage (VIN) for PFM Duty Limit (XCL206/XCL207 Series)

fOSC

3.0MHz

VIN Voltage (C-1)

VOUT(T)+1.0V

Minimum voltage (C-1) is 2.0V.

●

Soft-Start Time, Nominal Output Voltage（XCL205B/XCL206B/XCL207B Series）

SERIES

fOSC

NOMINAL OUTPUT VOLTAGE

MIN.

TYP.

MAX.

0.8V≦VOUT(T)<1.8V

-

0.25ms

0.40ms

XCL205B/

XCL206B/XCL207B

3.0MHz

1.8V≦VOUT(T) ≦4.0V

-

0.32ms

0.50ms

■

TYPICAL APPLICATION CIRCUIT

●

XCL205/XCL206/XCL207 Series

●

External Components

CIN : 10V/4.7μF (Ceramic)

CL : 6.3V/10μF (Ceramic)

NOTE

The Inductor can be used only for this DC/DC converter.

Please do not use this inductor for the other reasons.

Please use B, X5R, and X7R grades in temperature characteristics for CIN and CL capacitors.

These grade ceramic capacitors minimize capacitance-loss as a function of voltage stress.

V

Vss

Lx

VOUT

IN

CE/MODE

L1

L2

C

IN

L

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XCL207A253AR-G Datasheet(PDF) 10 Page - Torex Semiconductor

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