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7708 Datasheet(PDF) 32 Page - Power Integrations, Inc.

No. de pieza 7708
Descripción Electrónicos  Combined Two-Switch Forward and Flyback Power Supply Controllers with Integrated High-Voltage MOSFETs
PDF  42 Pages
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Fabricante Electrónico  POWERINT [Power Integrations, Inc.]
Página de inicio  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

7708 Datasheet(HTML) 32 Page - Power Integrations, Inc.

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Rev. B 04/15
32
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
Standby Controller (cont.)
BYPASS Pin
Charge Current
I
CH1
V
BP = 0 V,
T
J = 25 °C
-5
-4.0
-2
mA
I
CH2
V
BP = 4 V,
T
J = 25 °C
-4
-2.1
0
BYPASS Pin Voltage
V
BP
V
DS = 50 V
5.60
5.80
6.00
V
BYPASS Pin
Voltage Hysteresis
V
BP(HYST)
0.80
1.1
1.3
V
BYPASS Pin
Shunt Voltage
V
BP(SHUNT)
I
BP = 2 mA
5.8
6.15
6.4
V
Standby Circuit Protection
ENABLE Pin Current
Limit Selection Range #1
I
LIM(1)(DSB)
Start-up
0-5
mA
ENABLE Pin Current
Limit Selection Range #2
I
LIM(2)(DSB)
Start-up
5-12
mA
ENABLE Pin Current
Limit Selection Range #3
I
LIM(3)(DSB)
Start-up
12-24
mA
ENABLE Pin Current
Limit Selection Range #4
I
LIM(4)(DSB)
Start-up
24-48
mA
Standby Current Limit
I
LIM(1)(DSB)
I
L = 20 mA, di/dt = 95 mA/ms, TJ = 25 °C
450
500
540
mA
I
LIM(2)(DSB)
I
L = 20 mA, di/dt = 105 mA/ms, TJ = 25 °C
500
550
600
I
LIM(3)(DSB)
I
L = 20 mA, di/dt = 123 mA/ms, TJ = 25 °C
610
650
690
I
LIM(4)(DSB)
I
L = 20 mA, di/dt = 143 mA/ms, TJ = 25 °C
690
750
810
Δ I
LIM
I
LIM (IL = 100 mA) / ILIM (IL = 20 mA)
di/dt = 125 mA/
ms
84
%
General Circuit Protection
Power Coefficient
I2f
I2f = I
LIM(3)(DSB)(TYP)× fS(SB)(OSC)(TYP)
T
J = 25 °C
0.9 × I2f
I2f
1.12 × I2f
A2Hz
Initial Current Limit
I
INIT
T
J = 25 °C
See Note D
0.75 ×
I
LIM(MIN)
Leading Edge
Blanking Time (Main)
t
LEB(D)
T
J = 25 °C
150
ns
Leading Edge Blanking
Time (Standby)
t
LEB(DSB)
T
J = 25 °C
See Note D
170
215
ns
Current Limit
Delay (Main)
t
ILD(D)
T
J = 25 °C
150
ns



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