KDR412 datasheet(3/7 Pages) KEC

部品番号	KDR412

部品情報	White LED Step-Up Converter

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メーカー	KEC [KEC(Korea Electronics)]

ホームページ	http://www.keccorp.com

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3 / 7 page

2007. 2. 26

3/7

KAB3403T/DN

Revision No : 0

ELECTRICAL CHARACTERISTIC

(Topr=-40~85

, VCC=2.7~5.5V, RSENSE=16 , unless otherwise noted.)

CHARACTERISTICS

SYMBOL

CONDITION

MIN.

TYP.

MAX.

UNIT

Input Voltage

VCC

-

2.7

-

5.5

V

Supply Current

ICC

VCC = 3.6V, VCTL=3.6V

-

0.9

1.5

VCTL = 0V

-

0.5

1

Feedback Voltage

VFB

VCC=VCTL=3.0V, Topr = 25 , L =4.7 H

304

320

336

CTL Pin Bias Current

ICTL

VCC = 3.0V, VCTL = 3.0V

-

5

10

Switching Frequency

fOSC

VCTL = 3.0V

0.77

1.1

1.43

Switching Pin Current

IO(SW)

-

400

-

Switch Leak Current

IOZ(SW)

-

0.5

1

OVD Pin Voltage

VOVD

-

19

21

23

V

OVD Pin Leak Current

IOZ(OVD)

VOVD = 18V

-

0.5

1

Switching Pin OVP

VO(SW)

-

25

-

V

CTL pin voltage for Full LED Current

VCTL H

VCC = 3.0V

2.7

-

V

CTL pin voltage to shutdown Chip

VCTL L

-

0.5

V

Feedback Bias Current

IFB

-

0.5

1

Maximum Duty Cycle

Dmax

-

85

90

-

%

CHARACTERISTICS

SYMBOL

CONDITION

MIN.

TYP.

MAX.

UNIT

Input Voltage

VCC

-

2.7

-

5.5

V

CTL pin voltage for full LED current

VCTL H

VCC=3.0V

2.7

-

V

CTL pin voltage to shutdown chip

VCTL L

-

0.5

V

LED Current

IF

VCC=3.6V, RSENSE=16 ,

Topr =25

, Five LED

-

20

-

CTL Response Delay

(When Power ON.)

Tpd CTL

-

2

-

RECOMMENDED OPERATING CONDITIONS (Topr=-40~85

)

CHARACTERISTICS

SYMBOL

RATING

UNIT

Input Voltage

VCC

-0.3 ~ 6.0

V

Switching pin Voltage

VSW

-0.3 ~ 22

V

OVD pin Voltage

VOVD

-0.3 ~ 22

V

Operating temperature range

Topr

-40 ~ 85

Storage temperature range

Tstg

-55 ~ 150

Maximum Junction temperature

Tj

150

MAXIMUM RATINGS (Ta=25

)

同様の部品番号 - KDR412

メーカー	部品番号	データシート	部品情報
KEC(Korea Electronics)	KDR412	388Kb / 2P	SCHOTTKY BARRIER TYPE DIODE(LOW POWER RECTIFICATION, FOR SWITCHING POWER SUPPLY)
	KDR412	21Kb / 1P	USC PACKAGE
	KDR412	21Kb / 1P	USC PACKAGE
	KDR412	355Kb / 2P	SCHOTTKY BARRIER TYPE DIODE

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