 English |
|
|
|
|
|
|
|
| TFS757 Datasheet, PDF (24/36 Pages) Power Integrations, Inc. – Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High Voltage MOSFETs | |||
| |||
| ◁ |
TFS757-764HG
Parameter
Symbol
Conditions
SOURCE = 0 V; TJ = 0 °C to 100 °C
(Unless Otherwise Specified)
FEEDBACK Pin
PWM Gain
PWM Gain
Temperature Drift
DCREG(MA)
TCDCREG
-1800 mA < IFB < -1500 mA, IL = 60 mA,
IR = 160 mA
FEEDBACK Pin Feed-
back Onset current
FEEDBACK Pin Current
at Zero Duty Cycle
IFB(ON)
IFB(OFF)
IL = 60 mA, IR = 170 mA
TJ = 25 °C
FEEDBACK Pin
Internal Filter Pole
PFB
FEEDBACK Pin Voltage
VFB
LINE-SENSE Pin (Line Voltage)
IFB , (OFF) IFB = IFB(ON)
Line Undervoltage
Threshold â Standby
IL(SB-UVON)
IL(SB-UVOFF)
TJ = 25 °C
Threshold
Line Undervoltage
Threshold â Main
IL(MA-UVON)
IL(MA-UVOFF)
TJ = 25 °C
Threshold
Threshold
Line Overvoltage
Threshold â Main
and Standby
IL(MA-OVON)
IL(MA-OVOFF)
TJ = 25 °C
Threshold
Threshold
LINE-SENSE Pin
Voltage
VL
LINE-SENSE Pin
Short Circuit
IL(SC)
IL = 79 mA
IL = 149 mA
VL = VBP
RESET Pin (Duty Limit/Main Only Remote-OFF)
Reset Overvoltage
Threshold
RESET Pin Voltage
RESET Pin Short
Circuit Current
IR(MA-OVON)
IR(MA-OVOFF)
VR
IR(SC)
TJ = 25 °C
Threshold
Threshold
IR = 155 mA
VR = VBP
Duty Cycle â
Programmable Limit
DCLIMIT(MA)
DCMAX(MA)
Current Limit Programming
FEEDBACK Pin
Current Limit
Detection Range #1
ILIM(1)(MA)
FEEDBACK Pin
Current Limit
Detection Range #2
ILIM(2)(MA)
FEEDBACK Pin
Current Limit
Detection Range #3
ILIM(3)(MA)
IL = 100 mA, IR = 110 mA
IL = 115 mA, IR = 140 mA
IL = 100 mA, IR = 170 mA
Start-up
See Note C
Start-up
See Note C
Start-up
See Note C
24
Rev. C 02/11
Min
Typ
Max Units
-70
%/mA
0.05
%/°C
-1.1
mA
-2.1
mA
12
kHz
3.56
V
25
mA
10
76
80
84
mA
47
53
58
119
135
146
mA
135
146
164
2.4
V
2.5
375
mA
165
205
245
mA
175
215
255
2.5
V
375
mA
50.5
47.5
%
63
0-5
mA
5-12
mA
12-24
mA
www.powerint.com
|
▷ |
German
Russian
Spanish
Italian
Polish
Chinese
Japanese
Korean
French
Portuguese