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LM51551QDSSTQ1 Datasheet(PDF) 10 Page - Texas Instruments

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Part # LM51551QDSSTQ1
Description  2.2-MHz Wide Input Nonsynchronous Boost, SEPIC, Flyback Controller
Download  47 Pages
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LM51551QDSSTQ1 Datasheet(HTML) 10 Page - Texas Instruments

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Temperature (qC)
-40
-20
0
20
40
60
80
100
120
140
160
1.4
1.42
1.44
1.46
1.48
1.5
1.52
1.54
1.56
D015
UVLO rising
UVLO falling
Frequency (kHz)
0
250
500
750
1000 1250 1500 1750 2000 2250
85
86
87
88
89
90
91
92
93
94
95
D016
Temperature (qC)
-40
-20
0
20
40
60
80
100
120
140
160
9
9.2
9.4
9.6
9.8
10
10.2
10.4
10.6
10.8
11
D013
VVCC (V)
2
4
6
8
10
12
14
16
0
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
2
D014
Isource (A)
Isink (A)
10
LM5155-Q1, LM51551-Q1
SNVSAY4B – AUGUST 2018 – REVISED JULY 2019
www.ti.com
Product Folder Links: LM5155-Q1 LM51551-Q1
Submit Documentation Feedback
Copyright © 2018–2019, Texas Instruments Incorporated
Typical Characteristics (continued)
Figure 13. ISS vs Temperature
Figure 14. Peak Driver Current vs VCC
Figure 15. UVLO Threshold vs Temperature
Figure 16. Maximum Duty Cycle vs Frequency


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