XD9268 datasheet(7/26 Pages) TOREX

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XD9267/XD9268

Series

■ELECTRICAL CHARACTERISTICS

XD9267/XD9268 Series

Ta=25℃

PARAMETER

SYMBOL

CONDITIONS

MIN.

TYP.

MAX.

UNIT

CIRCUIT

PG detect voltage (*4)

VPGDET

VFB=0.72V→0.63V, RPG

:100kΩ pull-up

to 5V

VFB Voltage when PG pin voltage

changes from"H" level to "L" level

0.638

0.675

0.712

⑤

-40℃≦Ta≦105℃

0.630

0.720

PG Output voltage (*4)

VPG

VFB=0.6V,

IPG=1mA

-40℃≦Ta≦105℃

0.3

①

PFM Switch Current

IPFM

Connected to external components,

VIN=VEN/SS=12V、IOUT=1mA

400

①

Efficiency (*5)

EFFI

Connected to external components,

VIN=12V, VOUT=5V, IOUT=300mA

①

FB Voltage

Temperature

Characteristics

ΔVFB/

(ΔTopr・VFBE)

-40℃≦Topr≦105℃

±100

ppm/℃

①

FB "H" Current

IFBH

VIN=VEN/SS=36V,

VFB=3.0V

-40℃≦Ta≦105℃

-0.1

0.1

μA

①

FB "L" Current

IFBL

VIN=VEN/SS=36V,

VFB=0V

-40℃≦Ta≦105℃

-0.1

0.1

μA

④

EN/SS "H" Voltage

VEN/SSH

VEN/SS=0.3V→2.5V, VFB=0.71V

VEN/SS Voltage when Lx pin voltage

changes from "L" level to "H" level

2.5

①

-40℃≦Ta≦105℃

EN/SS "L" Voltage

VEN/SSL

VEN/SS=2.5V→0.3V, VFB=0.71V

VEN/SS Voltage when Lx pin voltage

changes from "H" level to "L" level

0.3

①

-40℃≦Ta≦105℃

EN/SS "H" Current

IEN/SSH

VIN=VEN/SS=36V,

VFB=0.825V

-40℃≦Ta≦105℃

0.1

0.3

μA

④

EN/SS "L" Current

IEN/SSL

VIN=36V,

VEN/SS=0V,

VFB=0.825V

-40℃≦Ta≦105℃

-0.1

0.1

μA

①

Thermal Shutdown

Temperature

TTSD

Junction Temperature

150

℃

Hysteresis Width

THYS

Junction Temperature

℃

Test Condition: Unless otherwise stated, VIN=12V, VEN/SS=12V, VPG=OPEN(*4)

Peripheral parts connection conditions：L=3.3

μH,RFB1=680kΩ,RFB2=120kΩ,CFB=12pF,CL=10μF×2,CIN=2.2μF

(*4) For the USP-6C Package only.

(*5) EFFI = {(output voltage) x (output current)} / {(input voltage) x (input current)} x 100

XD9268 Datasheet(PDF) 7 Page - Torex Semiconductor

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