FAN6920MR Ver la hoja de datos (PDF) - Fairchild Semiconductor
Número de pieza
componentes Descripción
Fabricante
FAN6920MR
Fairchild Semiconductor
FAN6920MR Datasheet PDF : 24 Pages
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Electrical Characteristics (Continued)
VDD=15V, TA=-40°C~105°C (TA=TJ), unless otherwise specified.
Symbol
Parameter
VCTRL-PFC-BM
Threshold Voltage on FB Pin for
PFC Burst Mode
Conditions
RANGE Pin Internally
Open
RANGE Pin Internally
Ground
VCTRL-PFC-ON
Threshold Voltage on FB Pin for
PFC Normal Operating
tPFC-BM
tPFC-ON
Debounce Time for PFC Burst
Mode
Debounce Time for PFC
Recovery to Normal Operating
tSTARTER-PWM Start Timer (Time-Out Timer)
PWM Output Section
VCLAMP
PWM Gate Output Clamping
Voltage
VOL
PWM Gate Output Voltage Low
VOH
PWM Gate Output Voltage High
tR
PWM Gate Output Rising Time
tF
PWM Gate Output Falling Time
Current Sense Section
tPD
Delay to Output
VLIMIT
Limit Voltage on CSPWM Pin for
Over-Power Compensation
VSLOPE
Slope Compensation(4)
tON-BNK
VCS-FLOATING
tCS-H
Leading-Edge Blanking Time
CSPWM Pin Floating VCSPWM
Clamped High Voltage
Delay Time, CS Pin Floating
PFC Normal Operating
Burst Mode
PFC Burst Mode
Normal Operating
VFB ＜ VG, TA = 25°C
VFB ＞ VFB-OLP,
TA = 25°C
VDD = 25V
VDD = 15V, IO = 100mA
VDD = 15V, IO = 100mA
CL = 3nF, VDD = 12V,
20~80%
CL = 3nF, VDD = 12V,
20~80%
IDET ＜ 75µA, TA = 25°C
IDET = 185µA, TA = 25°C
IDET = 350µA, TA = 25°C
IDET = 550µA, TA = 25°C
tON = 45µs,
RANGE = Open
tON = 0µs
CSPWM Pin Floating
CSPWM Pin Floating
Min.
1.65
1.60
Typ.
1.70
1.65
Max.
1.75
1.70
Units
V
1.75
1.80
1.85
V
100
ms
200
µs
1.85
2.25
2.65
ms
22
28
34
µs
16.0
17.5
19.0
V
1.5
V
8
V
80
110
ns
40
70
ns
150
200
ns
0.81
0.84
0.87
0.69
0.72
0.75
V
0.55
0.58
0.61
0.37
0.40
0.43
0.25
0.30
0.35
V
0.05
0.10
0.15
300
ns
4.5
5.0
V
150
µs
Continued on the following page…
© 2010 Fairchild Semiconductor Corporation
FAN6920MR • Rev. 1.0.3
11
www.fairchildsemi.com
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