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LM5165QDGSTQ1 Datasheet(PDF) 8 Page - Texas Instruments

Part # LM5165QDGSTQ1
Description  3-V to 65-V Input, 150-mA Synchronous Buck Converter with Ultra-Low IQ
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM5165QDGSTQ1 Datasheet(HTML) 8 Page - Texas Instruments

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Output Current (mA)
0.1
1
10
75
30
40
50
60
70
80
90
100
D105
VIN = 18V
VIN = 24V
VIN = 36V
VIN = 48V
VIN = 65V
Output Current (mA)
0.1
1
10
100 150
30
40
50
60
70
80
90
100
D106
VIN = 24V
VIN = 36V
VIN = 48V
VIN = 65V
Output Current (mA)
0.1
1
10
50
30
40
50
60
70
80
90
100
D103
VIN = 8V
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 65V
Output Current (mA)
0.1
1
10
100 150
30
40
50
60
70
80
90
100
D104
VIN = 8V
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 65V
Output Current (mA)
0.1
1
10
30
30
30
40
50
60
70
80
90
100
D101
VIN = 8V
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 65V
Output Current (mA)
0.1
1
10
100 150
30
40
50
60
70
80
90
100
D102
VIN = 8V
VIN = 12V
VIN = 24V
VIN = 36V
VIN = 65V
8
LM5165-Q1
SNVSAJ3A – MARCH 2016 – REVISED MARCH 2016
www.ti.com
Product Folder Links: LM5165-Q1
Submit Documentation Feedback
Copyright © 2016, Texas Instruments Incorporated
6.7 Typical Characteristics
Unless otherwise specified, VIN = 12 V, VOUT = 5 V. Please refer to the Typical Applications section for circuit designs.
5-V, 25-mA Design
LF = 470 µH
COUT = 47 µF
FSW(nom) = 100 kHz
RILIM ≥ 100 kΩ
Figure 1. Converter Efficiency: 5 V, 25 mA, PFM
See schematic,
Figure 37
LF = 220 µH
COUT = 22 µF
FSW(nom) = 230 kHz
RRT = 133 kΩ
Figure 2. Converter Efficiency: 5 V, 150 mA, COT
See schematic,
Figure 50
LF = 47 µH
COUT = 10 µF
FSW(nom) = 350 kHz
RILIM = 56.2 kΩ
Figure 3. Converter Efficiency: 3.3 V, 50 mA, PFM
See schematic,
Figure 62
LF = 150 µH
COUT = 22 µF
FSW(nom) = 160 kHz
RRT = 121 kΩ
Figure 4. Converter Efficiency: 3.3 V, 150 mA, COT
See schematic,
Figure 57
LF = 47 µH
COUT = 10 µF
FSW(nom) = 500 kHz
RILIM = 24.9 kΩ
Figure 5. Converter Efficiency: 12 V, 75 mA, PFM
See schematic,
Figure 65
LF = 150 µH
COUT = 10 µF
FSW(nom) = 600 kHz
RRT = 143 kΩ
Figure 6. Converter Efficiency: 15 V, 150 mA, COT


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