XC9128 datasheet(3/14 Pages) TOREX

Part #	XC9128

Description	1A Driver Transistor Built-In, Step-Up DC/DC Converters

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Manufacturer	TOREX [Torex Semiconductor]

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

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3 / 14 page

3/14

XC9128/XC9129

Series

■PRODUCT CLASSIFICATION

●Ordering Information

DESIGNATOR

DESCRIPTION

SYMBOL

DESCRIPTION

B

: With integral protection

①

Transistor Built-In,

Output Voltage Freely Set (FB voltage),

Integral Protection Type

D

: Without integral protection

: Fixed reference voltage 0.45Ｖ

②③

Reference Voltage

45

②

=4, ③=5

④

Oscillation Frequency

C

: 1.2MHz

A

: MSOP-10

D

: USP-10B

⑤

Packages

S

: SOP-8

R

: Embossed tape, standard feed

⑥

Device Orientation

L

: Embossed tape, reverse feed

XC9128①②③④⑤⑥・・・・ MSOP-10, USP-10B

XC9129①②③④⑤⑥・・・・ SOP-8 (Under Development)

■FUNCTION CHART

EN PIN

AEN/ PIN

IC OPERATIONAL STATE

SOFT-START FUNCTION

L→H

L

Operation

Available

H

H→L

Operation

Not Available

H

Step-Up Operation Shut-Down

-

L

Shut-Down

-

L

H

Shut-Down

-

* Do not leave the EN and AEN/ Pins open.

MODE PIN

FUNCTION

H

PWM Control

L

PWM/PFM Automatic Switching Control

* Do not leave the MODE Pin open.

1. EN, AEN/ Pin Function

2. MODE Pin Function

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