http://www.belling.com.cn

- 3-

9/18/2006

Total 13 Pages

BL8530C

Vout pin filter capacitor

1

nF

Operating junction temperature

-20

85

℃

*Suggestion：

Use tantalum type capacitor to reduce the ripple of the output voltage. Use 1nF filter ceramic

type capacitor to connect Vout pin and GND pin. The filter capacitor is recommended as close as possible to

Vout pin and GND pin.

ELECTRICAL CHARACTERISTICS

Default condition(unless otherwise provided): Vin=0.6×Vout, Iout=10mA, Temperature=25℃, Use

external circuit in test circuit list

REFERENCE DATA

SYMBOL

ITEM

TEST CONDITIONS

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

Vout

Output Voltage

5.88

6.0

6.12

V

Vin

Input Voltage

12

V

Iin

Input Current *

(no load)

Iout=0mA，

Vin=Vout*0.6

20

25

uA

Quiescent

No external component,

Vout =Vout×1.05

6

8

uA

Chip leakage

current

1

uA

CE “H” threshold

voltage

0.6

0.9

V

CE “L” threshold

voltage

0.3

0.6

V

Fosc

Oscillator

frequency

Vout=Vout*0.96

Test EXT pin frequency

300

350

400

Khz

CE “H”

-0.5

0

0.5

uA

CE “L”

-0.5

0

0.5

uA

3.0V<=Vout<=3.9V

-21

mA

4.0V<=Vout<=4.9V

-35

mA

EXT”H” output

current

5.0V<=Vout<=6.9V

-41

mA

3.0V<=Vout<=3.9V

23

mA

4.0V<=Vout<=4.9V

25

mA

EXT”H” output

current

5.0V<=Vout<=6.9V

31

mA

Duty

Oscillator duty

cycle

On（Vlx“L”）side

70

75

80

％

η

Efficiency

90

％

NOTE：

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

2、Inductor：27uH(R<0.5

Ω)

3、Output capacitor：100uF(Tantalum type)

4、Vout pin filter capacitor: 1nF(Ceramic type)

5、Input capacitor: 47uF