KX8530-252RM datasheet(4/7 Pages) KEXIN

Part #	KX8530-252RM

Description	PFM Step-up DC/DC Converter With High Efficiency And Low Noise

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Manufacturer	KEXIN [Guangdong Kexin Industrial Co.,Ltd]

Direct Link	http://www.kexin.com.cn/index.asp

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4 / 7 page

SMD Type

IC

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4

KX8530

Note

1. Diode: Schottky type, such as :1N5817, 1N5819, 1N5822

2. Inductor: 27uH(R<0.5Ù)

3. Capacitor: 100uF(Tantalum type)

Test Circuits

Electrical Characteristics Ta = 25

Parameter

Symbol

Testconditons

Min

Typ

Max

Unit

2.45

2.5

2.55

2.646

2.7

2.754

2.94

3.0

3.06

3.234

3.3

3.366

3.528

3.6

3.672

3.92

4.0

4.08

4.9

5.0

5.1

5.88

6.0

6.12

Input Voltage

Vin

12

V

Input Current

Iin

Iout=0mA

Vin=Vout*0.6

12

15

uA

Start-up voltage

Vstart

Iout=1mA,Vin

0

2V

0.8

0.9

V

Hold-on voltage

Vhold

Iout=1mA,Vin

2

0V

0.6

0.7

V

Quiescent

Without

external

current drawn

components,

Vout

from power

=Vout*1.05

source

Switch ON Resistance

Rswon

0.4

0.5

Ù

LX leakage current

ILXleak

Vout=Vlx=6V

0.5

uA

CE "H" threshold voltage

VCEH

VCE

0

2V

0.6

0.9

V

CE"H" threshold voltage

VCEL

VCE

2

0V

0.3

0.6

V

Oscillator frequency

Fosc

LX on "L" side Vout=Vout*0.96

300

350

400

Khz

Oscillator duty cycle

Maxdty

On

Vlx"L"

side

70

75

80

%

Efficiency

ç

85

%

IDD

47

uA

Output Voltage

Vout

V

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KX8530-252RM Datasheet(PDF) 4 Page - Guangdong Kexin Industrial Co.,Ltd

KX8530-252RM Datasheet(HTML) 4 Page - Guangdong Kexin Industrial Co.,Ltd

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