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Ver1.0

2/14

BL8530

PIN DESCRIPTION:

Pin No.

SOT-89-3

SOT-23-3

SOT-23-5

Symbol

Description

1

1

4

Vss（GND）

Ground pin

2

2

2

Vout

Output pin, power supply for

internal circuits

3

3

5

Lx（Ext）

Switching pin

－

－

3

NC

-

－

－

1

CE

Chip enable pin (active high)

PRODUCTOR LIST :

Product Name

Output Voltage

Lx Tr. Driver

Chip Enable

Package

BL8530-XX1SM

XX V

Internal

No

SOT-89-3

BL8530-XX1RM

XXV

Internal

No

SOT-23-3

BL8530-XX2RN

XX V

Internal

Yes

SOT-23-5

BL8530-XX3SM

XXV

External

No

SOT-89-3

BL8530-XX3RM

XXV

External

No

SOT-23-3

BL8530-XX4RN

XXV

External

Yes

SOT-23-5

BLOCK DIAGRAM：

ABSOLUTE MAXIMUM RATINGS

Input voltage range-----------------------------------------------------------------------------------0.3V~12V

Input voltage: Vi(LX) ---------------------------------------------------------------------------------0.3V~(Vout+0.3)

CE pin voltage-----------------------------------------------------------------------------------------0.3V~(Vout+0.3)

Lx pin output current --------------------------------------------------------------------------------0.7A

Maximum power dissipation, Pd T=25

°C

SOT-89-3---------------------------------------------------------------------------------------0.5W

SOT-23-5---------------------------------------------------------------------------------------0.15W

SOT-23-3---------------------------------------------------------------------------------------0.15W

Maximum junction temperature ------------------------------------------------------------------150

°C

Operating free-air temperature range ---------------------------------------------------------- -20~+80

°C

Storage temperature range ----------------------------------------------------------------------- -40~125

°C

Lead temperature and time -----------------------------------------------------------------------260

°C,10S