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SC1933C 데이터시트(PDF) 22 Page - Power Integrations, Inc.

부품명 SC1933C
상세설명  Off-Line CV/CC QR Flyback Switcher IC with Integrated Primary Switch, Synchronous Rectification and FluxLink Feedback
PDF  28 Pages
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제조업체  POWERINT [Power Integrations, Inc.]
홈페이지  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

SC1933C 데이터시트(HTML) 22 Page - Power Integrations, Inc.

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Rev. C 11/18
22
SC1933C/SC1936C
www.power.com
Parameter
Symbol
Conditions
SOURCE = 0 V
T
J = -40 °C to 125 °C
(Unless Otherwise Specified)
Min
Typ
Max
Units
Secondary
Feedback Pin Voltage
V
FB
T
J = 25 °C
1.250
1.265
1.280
V
Cable Drop
Compensation
φ
CD
0
mV
Maximum Switching
Frequency
f
SREQ
T
J = 25 °C
118
132
145
kHz
Output Voltage Pin
Auto-Restart Threshold
V
OUT(AR)
3.45
V
Output Voltage Pin
Auto-Restart Timer
t
FB(AR)
t
VOUT(AR)
49.5
ms
BPS Pin Current at
No-Load
I
SNL
T
J = 25 °C
325
485
mA
BPS Pin Voltage
V
BPS
4.20
4.40
4.60
V
BPS Pin Undervoltage
Threshold
V
BPS(UVLO)(TH)
3.60
3.80
4.00
V
BPS Pin Undervoltage
Hysteresis
V
BPS(UVLO)(H)
T
J = 25 °C
0.65
V
Current Limit
Voltage Threshold
I
SV(TH)
Set By External Resistor
T
J = 10 °C to 125 °C
33.94
35.90
37.74
mV
FWD Pin Voltage
V
FWD
150
V
Minimum Off-Time
t
OFF(MIN)
2.48
3.38
4.37
ms
Soft-Start Frequency
Ramp Time
t
SS(RAMP)
T
J = 25 °C
7.50
11.75
16.00
ms
Constant Power
Voltage Threshold
V
KP
20
V
BPS Pin Latch Command
Shutdown Threshold
Current
I
BPS(SD)
5.2
8.9
12.0
mA
Feedback Pin
Short-Circuit
V
FB(OFF)
T
J = 25 °C
112
135
mV



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