FAN6747 データシートの表示（PDF） - Fairchild Semiconductor

部品番号

コンポーネント説明

メーカー

FAN6747

Highly Integrated Green-Mode PWM Controller

Fairchild Semiconductor 

Electrical Characteristics

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

Symbol

Parameter

Conditions

VDD Section

VOP

VDD-ON

VDD-OFF

VDD-OLP

Continuously Operating Voltage

Turn-On Threshold Voltage

PWM Turn-Off Threshold Voltage

Threshold Voltage on VDD for HV

JFET Turn-On in Protection

Condition

After Trigger OCP/

SCP/ OVP/ OTP

VDD-LH

Threshold Voltage on VDD Pin

for Latch-Off Release Voltage

VDD-AC

Threshold Voltage on VDD Pin

for Disable AC Recovery to Avoid

Startup Failed

VDD-SCP

Threshold Voltage on VDD Pin

for Short-Circuit Protection (SCP)

VFB > VFBO

ILH

Holding Current Under Latch-Off

Conduction

VDD=5V

IDD-ST

IDD-OLP

Startup Current

Holding Current at PWM-Off

Phase

VDD-ON – 0.16V

VDD-OLP+0.1V

IDD-OP1

Operating Supply Current when VDD=20V, VFB=3V

PWM Operating

Gate Open

IDD-OP2

Operating Supply Current when VDD=20V, VFB=3V

PWM Stop

Gate Open

VDD-OVP

Threshold Voltage on VDD Pin

for VDD Over-Voltage Protection

(Latch-Off)

tD-OVP

VDD OVP Debounce Time

VFB > VFB-N

Min. Typ. Max.

24

15.5

16.5

17.5

8

9

10

5.5

6.5

7.5

3.5

4.0

4.5

VDD-OFF

+2.5

VDD-OFF

+0.5

80

210

VDD-OFF

+3.0

VDD-OFF

+1.0

100

270

VDD-OFF

+3.5

VDD-OFF

+1.5

120

30

330

1.7

2.0

1.2

1.5

24

25

26

75

160

245

Units

V

V

V

V

V

V

V

μA

μA

μA

mA

mA

V

μs

Figure 5. UVLO Specification

© 2010 Fairchild Semiconductor Corporation

FAN6747 • Rev. 1.0.3

5

Continued on following pages…

www.fairchildsemi.com

Share Link: