SD4842P67K65 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

SD4842P67K65

CURRENT MODE PWM CONTROLLER WITH BUILT-IN HIGH VOLTAGE MOSFET

Unspecified 

SD4840/4841/4842/4843/4844

Characteristics

Built-in Soft Start Time

Current Limit

SD4840P67K65

Peak Current

Limit

SD4841P67K65

SD4842P67K65

SD4843P67K65

SD4844P67K65

Burst mode

Burst Mode High Voltage

Burst Mode Low Voltage

Protection Section

Overvoltage Protection

Thermal Shutdown

Leading-edge Blanking Time

Total Standby Current

Start Current

Supply Current (Control Part)

Symbol

Test conditions

ts VFB=4V

Iover Max. inductor current

VBURH

VBURL

Vovp

Tsd

TLEB

Istart

Iop

VCC=11V

VCC=12V

PIN CONFIGURATION

Min.

10

Typ.

15

Max.

20

Unit

ms

0.53 0.60 0.67

0.67 0.75 0.83

0.80 0.90 1.00

A

1.10 1.20 1.30

1.35 1.50 1.65

0.4

0.5

0.6

V

0.25 0.35 0.45

V

18

19

--

V

125 140

--

°C

200

--

--

ns

--

6

20

μA

1

3

5

mA

PIN DESCRIPTION

Pin No.

1

2

3

4

5

6,7,8

Pin Name

SGND

PGND

VCC

FB

NC

Drain

I/O

Function description

-

Ground for control part.

-

MOSFET Ground.

-

Power supply pin.

I/O Feedback input pin.

-

Not connected.

O Drain pins.

HANGZHOU SILAN MICROELECTRONICS CO.,LTD

Http: //www.silan.com.cn

REV:1.2 2008.12.17

Page 5 of 11

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