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LM5161 Datasheet(PDF) 7 Page - Texas Instruments

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Part # LM5161
Description  Wide Input 100-V, 1-A Synchronous Buck/Fly-Buck Converter
Download  37 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM5161 Datasheet(HTML) 7 Page - Texas Instruments

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Input Voltage (V)
15
20
25
30
35
40
45
50
55
60
11.88
11.9
11.92
11.94
11.96
11.98
12
12.02
12.04
12.06
12.08
12.1
12.12
Ext-VCC
FPWM = 1
IOUT = 0 A
IOUT = 0.5 A
IOUT = 1 A
Input Voltage (V)
0
2
4
6
8
10
12
14
0
2
4
6
8
Load Current (A)
0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
75
80
85
90
95
100
Ext-VCC
Int-VCC
FPWM = 1
VIN = 24 V
VIN = 48 V
VIN = 60 V
Input Voltage (V)
15
20
25
30
35
40
45
50
55
60
60
70
80
90
100
FPWM = 1
IOUT = 1 A
IOUT = 0.5 A
Load Current (A)
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
50
60
70
80
90
100
FPWM = 0
VIN = 4.5 V
VIN = 12 V
VIN = 24 V
Load Current (A)
0.025
0.05 0.07
0.1
0.2
0.3 0.4 0.5
0.7
1
20
30
40
50
60
70
80
90
100
FPWM = 0
FPWM = 1
VIN = 36 V
VIN = 48 V
VIN = 60 V
7
LM5161-Q1
www.ti.com
SNVSAF9 – AUGUST 2016
Product Folder Links: LM5161-Q1
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
6.7 Typical Characteristics
At TA = 25°C and applicable to LM5161-Q1 unless otherwise noted.
VOUT= 3.3 V
RON= 110 kΩ
FPWM = 0
Figure 1. Efficiency at 300 kHz
VOUT= 5 V
RON= 169 kΩ
L=47 µH
Figure 2. Efficiency at 300 kHz
VOUT = 12 V
RON = 402 kΩ
FPWM = 0
L = 100 µH
Figure 3. Efficiency at 300 kHz
VOUT = 12 V
RON = 402 kΩ
FPWM = 1
L = 100 µH
Figure 4. Efficiency at 300 kHz
VOUT = 12 V
RON = 300 kΩ
FPWM = 1
L = 100 µH
Figure 5. Line Regulation
Figure 6. VCC vs. VIN


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