SG6840 Ver la hoja de datos (PDF) - Unspecified

Número de pieza

componentes Descripción

Fabricante

SG6840

High-integrated Green Mode PWM Controller

Unspecified 

SG6840

Product Specification

PWM Section

Symbol

DC (MAX)

DC (MIN)

Bnk

Parameter

Maximum Duty Cycle

Minimum Duty Cycle

Leading edge blanking time

Test Condition

Min.

75

-

200

Typ. Max.

80 90

-

0

270 350

Unit

%

%

nsec

Output Section

Symbol

Vol

Voh

tr

tf

Parameter

Output Voltage Low

Output Voltage High

Rising Time

Falling Time

Test Condition

VDD= 12V, Io = 150mA

VDD= 12V, Io = 50mA

VDD=13V, CL=1nF

VDD=13V, CL=1nF

Min.

8V

150

30

Typ.

250

50

Max. Unit

1.5

V

V

350 NS

90

NS

Under-voltage Lockout Section

Symbol

VTH(ON)

VDD(min)

Parameter

Start Threshold Voltage

Min. Operating Voltage

Test Condition

Min. Typ. Max. Unit

15

16

17

V

9

10

11

V

Over-temperature Protection Section

Symbol

Irt

Vtov

Parameter

Output current of pin RT

Threshold voltage for over-temperature

protection

Test Condition

Ri=26KOhms

Min.

92

0.665

Typ.

100

0.7

Max. Unit

108 uA

0.735 V

Total Standby Current Section

Symbol

IDD ST

IDD OP

Parameter

Start-up Current

Operating Supply Current

Test Condition

-

Min. Typ. Max. Unit

30

40

uA

-

3

5

mA

2002 System General Corporation

-4-

Ver1.0

http://www.sg.com.tw

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