SG6741 Просмотр технического описания (PDF) - Fairchild Semiconductor

Номер в каталоге

Компоненты Описание

производитель

SG6741

Highly Integrated Green-Mode PWM Controller

Fairchild Semiconductor 

Electrical Characteristics

VDD=15V, TA=25°C, unless otherwise noted.

Symbol

Parameter

VDD Section

VOP

VDD-ON

VDD-OFF

IDD-ST

IDD-OP

IDD-OLP

VTH-OLP

VDD-OVP

tD-VDDOVP

Continuously Operating Voltage

Start Threshold Voltage

Minimum Operating Voltage

Startup Current

Operating Supply Current

Internal Sink Current

IDD-OLP off Voltage

VDD Over-Voltage Protection

VDD Over-Voltage Protection

Debounce Time

HV Section

IHV Supply Current from HV Pin

IHV-LC Leakage Current After Startup

Oscillator Section

fOSC Frequency in Nominal Mode

tHOP

fOSC-G

fDV

fDT

Hopping Period

Green-Mode Frequency

Frequency Variation vs. VDD

Deviation

Frequency Variation vs.

Temperature Deviation

Conditions

VDD-ON – 0.16V

VDD=15V, GATE Open

VDD-OLP +0.1V

VAC=90V (VDC=120V),

VDD=10µF

HV=500V, VDD=VDD-

OFF+1V

Center Frequency

Hopping Range

VDD=11V to 22V

TA=-40 to 105°C

PWM Frequency

fOSC

Min. Typ. Max. Units

22

V

15.5

16.5

17.5

V

9.5

10.5

11.5

V

30

µA

4

5

mA

50

70

90

µA

6.5

7.5

8.0

V

25

26

27

V

100

180

260

µs

2.0

mA

1

20

µA

62

65

68

KHz

±3.7

±4.2

±4.7

4.4

ms

16

18

21

KHz

5

%

5

%

Continued on the following page…

fOSC-G

VFB-ZDC VFB-G

VFB-N

VFB

Figure 5. VFB vs. PWM Frequency

© 2008 Fairchild Semiconductor Corporation

SG6741 • Rev. 1.3.3

5

www.fairchildsemi.com

Share Link: