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LT3752MPFE#PBF Datasheet(PDF) 10 Page - Analog Devices

Part # LT3752MPFE#PBF
Description  Active Clamp Synchronous Forward Controllers with Internal Housekeeping Controller
PDF  52 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LT3752MPFE#PBF Datasheet(HTML) 10 Page - Analog Devices

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LT3752/LT3752-1
10
Rev. C
For more information www.analog.com
LT3752-1: INTVCC in Dropout at
VIN = 8.75V vs Current, Junction
Temperature
LT3752: INTVCC in Dropout at
VIN = 6.5V vs Current, Junction
Temperature
LT3752: INTVCC UVLO Thresholds
vs Junction Temperature
LT3752: INTVCC Regulation
Voltage vs Current, Junction
Temperature
TYPICAL PERFORMANCE CHARACTERISTICS T
A = 25°C, unless otherwise noted.
JUNCTION TEMPERATURE (°C)
–75
7.0
6.5
6.0
5.5
5.0
3.5
4.5
4.0
3.0
25
150
–25
100
3752 G13
175
0
125
–50
50 75
ILOAD = 0mA
ILOAD = 10mA
ILOAD = 15mA
ILOAD = 20mA
JUNCTION TEMPERATURE (°C)
–75
7.00
6.95
6.90
6.85
6.80
6.65
6.75
6.70
6.60
25
150
–25
100
3752 G15
175
0
125
–50
50 75
ILOAD = 0mA
ILOAD = 10mA
ILOAD = 20mA
ILOAD = 30mA
VIN = 12V
JUNCTION TEMPERATURE (°C)
–75
10.0
9.5
9.0
8.5
7.5
8.0
5.5
7.0
6.5
6.0
5.0
25
150
–25
100
3752 G16
175
0
125
–50
50 75
ILOAD = 0mA
ILOAD = 10mA
ILOAD = 15mA
ILOAD = 20mA
VIN = 12V
HISENSE Peak Current Threshold
vs Junction Temperature
HISENSE Pin Current vs Duty Cycle
HISENSE Overcurrent
(Hiccup Mode) Threshold
vs Junction Temperature
Housekeeping Internal Soft-Start
Time (HSS) vs Junction
Temperature
JUNCTION TEMPERATURE (°C)
–75
85
84
83
82
81
80
79
77
76
78
75
25
150
–25
100
3752 G09
175
0
125
–50
50 75
DUTY CYCLE (%)
0
60
50
40
30
10
20
0
40
90
20
70
3752 G10
100
30
80
10
50 60
TJ = 150°C
TJ = 25°C
TJ = –55°C
JUNCTION TEMPERATURE (°C)
–75
110
105
100
95
85
90
80
25
150
–25
100
3752 G11
175
0
125
–50
50 75
JUNCTION TEMPERATURE (°C)
–75
3.00
2.75
2.50
2.25
1.75
2.00
1.50
25
150
–25
100
3752 G12
175
0
125
–50
50 75
JUNCTION TEMPERATURE (°C)
–75
4.85
4.80
4.75
4.70
4.55
4.65
4.60
4.50
25
150
–25
100
3752 G14
175
0
125
–50
50 75
INTVCC < UVLO (–): DISABLE SWITCHING
INTVCC > UVLO (+): ENABLE SWITCHING



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