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TFS7705H Folha de dados(PDF) 28 Page - Power Integrations, Inc.

Nome de Peças TFS7705H
Descrição Electrónicos  Combined Two-Switch Forward and Flyback Power Supply Controllers
PDF  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
Fabricante Electrônico  POWERINT [Power Integrations, Inc.]
Página de início  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

TFS7705H Folha de dados(HTML) 28 Page - Power Integrations, Inc.

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Rev. B 04/15
28
TFS7701-7708
www.power.com
Parameter
Symbol
Conditions
SOURCE = 0 V; T
J = 0 °C to 100 °C
(Unless Otherwise Specified)
Min
Typ
Max
Units
Remote-ON Main (cont.)
BYPASS Pin Latching
Shutdown Threshold
I
BP(SD)
17
mA
Main/Standby
Remote-ON Delay
t
R(ON)
2.5
ms
Main/Standby
Remote-OFF Delay
t
R(OFF)
2.5
ms
Soft-Start
High-Side Start-Up
Charge Time
t
D(CH)
60
ms
Soft-Start Period
t
SS
See Note D
12
ms
FEEDBACK Pin
PWM Gain
DC
REG(MA)
-1800
mA < I
FB < -1500 mA, IL = 60 mA,
I
R = 160 mA
-70
%/mA
PWM Gain
Temperature Drift
TC
DCREG
0.05
%/°C
FEEDBACK Pin Feed-
back Onset current
I
FB(ON)
I
L = 100 mA, IR = 170 mA
T
J = 25 °C
-1.2
mA
FEEDBACK Pin Current
at Zero Duty Cycle
I
FB(OFF)
-2.1
mA
FEEDBACK Pin
Internal Filter Pole
f
P(FB)
12
kHz
FEEDBACK Pin Voltage
V
FB
I
FB = IFB(ON)
2.9
V
LINE-SENSE Pin (Line Voltage)
Line Undervoltage
Threshold – Standby
I
L(SB-UVON)
T
J = 25 °C
Threshold
23.75
25
26.25
mA
I
L(SB-UVOFF)
Threshold
9.0
10.5
12
Line Undervoltage
Threshold – Main
I
L(MA-UVON)
T
J = 25 °C
Threshold
80
84
88
mA
I
L(MA-UVOFF)
Threshold
47
54
58
Line Overvoltage
Threshold – Main
and Standby
I
L(MA-OVON)
T
J = 25 °C
Threshold
119
130
146
mA
I
L(MA-OVOFF)
Threshold
135
144
164
LINE-SENSE Pin
Voltage
V
L
T
J = 25 °C
I
L = 79 mA
0.75
1.27
1.55
V
I
L = 149 mA
1.0
1.45
1.85
LINE-SENSE Pin
Short-Circuit
I
L(SC)
V
L = VBP
3900
mA
RESET Pin (Duty Limit/Main Only Remote-OFF)
Reset Overvoltage
Threshold
I
R(MA-OVON)
T
J = 25 °C
Threshold
165
205
245
mA
I
R(MA-OVOFF)
Threshold
175
215
255
RESET Pin Voltage
V
R
I
R = 155 mA
1.55
V
RESET Pin
Short-Circuit Current
I
R(SC)
V
R = VBP
3750
mA
Duty Cycle –
Programmable Limit
DC
LIMIT(MA)
I
L = 100 mA, IR = 110 mA
50.5
%
I
L = 115 mA, IR = 170 mA
48.2
DC
MAX(MA)
I
L = 90 mA, IR = 170 mA
61



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