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IMX2378F Datasheet(PDF) 24 Page - Power Integrations, Inc.

Part # IMX2378F
Description  Off-Line Zero Voltage Switching (ZVS) Flyback Switcher IC
PDF  36 Pages
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Manufacturer  POWERINT [Power Integrations, Inc.]
Direct Link  http://www.powerint.com
Logo POWERINT - Power Integrations, Inc.

IMX2378F Datasheet(HTML) 24 Page - Power Integrations, Inc.

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Rev. D 12/24
24
InnoMux2-EP
www.power.com
Parameter
Symbol
Conditions
SOURCE = 0 V
T
J = -40 °C to 125 °C
(Unless Otherwise Specified)
Min
Typ
Max
Units
Recommended Output Voltage Range (cont.)
VLED Recommended
Voltage Range
V
LED
9
200
V
Feedback
FEEDBACK Pin
Regulation Voltage
V
FB(REG)
T
J = 25 °C
1.208
1.220
1.234
V
Overvoltage Threshold
VCV1, VCV2
V
FB(OVP)
T
J = 25 °C
112% of
V
FB(REG)
V
Overvoltage Threshold
VCVHV
V
FB(OVP)VCVHV
T
J = 25 °C
120% of
V
FB(REG)
V
Overvoltage Threshold
VLED
V
FB(OVP)VLED
T
J = 25 °C
116% of
V
FB(REG)
V
LV Shunt Threshold
V
LV(SHUNT)
T
J = 25 °C
104% of
V
FB(REG)
V
Maximum LV Shunt
Current
I
LV(SHUNT)
30
mA
HV Shunt Threshold
V
HV(SHUNT)
V
CVHV
104% of
V
FB(REG)
V
LED
108% of
V
FB(REG)
Maximum HV Shunt
Current
I
HV(SHUNT)
V
CVHV
9
mA
V
LED < 50 V
8
mA
V
LED < 100 V
4.1
mA
V
LED < 150 V
3.3
mA
V
LED > 150 V
2.1
mA
FEEDBACK Pin
Short-Circuit
V
FB(OFF)
T
J = 25 °C
48
mV
Led Control
Frequency Range
PWM Dimming
PWM
F(RANGE)
90
1,000
Hz
Frequency Range
Filtered PWM Dimming
FPWM
F(RANGE)
90
30,000
HZ
Minimum On-Time
PWM Dimming
t
LED(ON)MIN
12
μ
s
Minimum Off-Time
PWM Dimming
t
LED(OFF)MIN
Limits the maximum duty cycle before reach
100%
1
μ
s
DIM1, DIM2 Pin Digital
Input Thresholds
V
IL
0.8
V
V
IH
2.0
V
DIM1 Pin Maximum
Analog Dimming Voltage
V
ADIM(MAX)
3.0
V
DIM1 Pin Analog
Dimming Enable
Threshold
V
ADIM(ENABLE)
100
120
mV



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