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LM5145 датащи(PDF) 11 Page - Texas Instruments

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номер детали LM5145
подробное описание детали  LM5146 100-V Synchronous Buck DC/DC Controller With Wide Duty Cycle Range
PDF  55 Pages
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производитель  TI [Texas Instruments]
домашняя страница  http://www.ti.com
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LM5145 датащи(HTML) 11 Page - Texas Instruments

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7.7 Typical Characteristics
VVIN = 48 V, RRT = 25 kΩ, SYNCIN tied to VCC, EN/UVLO tied to VIN (unless otherwise noted).
Output Current (A)
0
2
4
6
8
10
12
60
65
70
75
80
85
90
95
100
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 48V
VIN = 60V
VIN = 75V
VOUT = 5 V
FSW = 300 kHz
See Figure 9-5
RRT = 33.2 kΩ
Figure 7-1. Efficiency vs Load, CCM
Output Current (A)
0
2
4
6
8
70
75
80
85
90
95
100
VIN = 15V
VIN = 24V
VIN = 36V
VIN = 48V
VIN = 60V
VIN = 75V
VOUT = 12 V
FSW = 400 kHz
See Figure 9-16
RRT = 24.9 kΩ
Figure 7-2. Efficiency vs Load, CCM
Junction Temperature (°C)
-50
-25
0
25
50
75
100
125
150
0.792
0.794
0.796
0.798
0.8
0.802
0.804
0.806
0.808
Figure 7-3. FB Voltage vs Junction Temperature
Junction Temperature (°C)
-50
-25
0
25
50
75
100
125
150
0
20
40
60
80
100
120
140
160
tOFF(min)
tON(min)
Figure 7-4. tON(min) and tOFF(min) vs Junction
Temperature
Input Voltage (V)
0
20
40
60
80
100
0
10
20
30
40
40°C
25°C
125°C
150°C
VSW = 0 V
VEN/UVLO = 0 V
Figure 7-5. IQ-SHD vs Input Voltage
Input Voltage (V)
0
20
40
60
80
100
1.4
1.6
1.8
2
2.2
40°C
25°C
150°C
VSW = 0 V
VEN/UVLO = 1 V
Figure 7-6. IQ-STANDBY vs Input Voltage
www.ti.com
LM5146
SNVSBV0A – JUNE 2021 – REVISED JUNE 2021
Copyright © 2021 Texas Instruments Incorporated
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