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XCL102/XCL103

Series

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PRODUCT CLASSIFICATION

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Ordering Information

XCL102①②③④⑤⑥-⑦ PWM control

XCL103①②③④⑤⑥-⑦ PWM/PFM

automatic switching control

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Selection guides

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PIN CONFIGURATION

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PIN ASSIGNMENT

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FUNCTION CHART

PIN NAME

SIGNAL

STATUS

CE

L

Stand-by

H

Active

* Do not leave the CE pin open.

DESIGNATOR

ITEM

SYMBOL

DESCRIPTION

①

Type

D

Refer to Selection Guide

E

②③

Output Voltage

22～55

Output Voltage options

e.g.)3.3V → ②=3, ③=3

5.0V → ②=5, ③=0

④

Oscillation Frequency

3

3.0MHz

⑤⑥

Package (Order Unit)

CR-G

CL-2025-02 (3,000pcs/Reel)

TYPE

Output

Voltage

Chip

Enable

Soft-Start

CL Auto-

Discharge

Bypass

Switch

Load

Disconnection

Current Limit

(with integral latch)

Short

Protection

with latch

D

Fixed

Yes

Fixed

Yes

No

Yes

Yes

Yes

E

Fixed

Yes

Fixed

No

Yes

No

Yes

Yes

PIN NUMBER

PIN NAME

FUNCTIONS

1

Power Input

2

GND

Ground

3

CE

Chip Enable

4

GND

Ground

5

Lx

Switching

6

Output Voltage

7

L1

Inductor Electrodes

8

L2

* If the pad needs to be connected to other pins, it should be connected to the GND.

7 L1

8 L2

Lx 5

GN D 4

2 GN D

3 CE

(BOTTOM VIEW)