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LM5122 Datasheet(PDF) 8 Page - Texas Instruments

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Part # LM5122
Description  Wide Input Synchronous Boost Controller with Multiple Phase Capability
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM5122 Datasheet(HTML) 8 Page - Texas Instruments

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background image
70
75
80
4
5
6
7
8
9
10
11
12
V
VIN [V]
C001
V
VIN=VCSP
60
65
70
75
80
85
90
-50
-25
0
25
50
75
100
125
150
Temperature [
ƒC]
C001
0.0
5.0
10.0
15.0
4
9
14
19
V
SW [V]
C001
I
BST = -70uA
100
120
140
160
180
200
220
240
260
280
300
-50
-25
0
25
50
75
100
125
150
Temperature [
ƒC]
C001
V
VIN=VSW=9V
0
5
10
15
-50
-25
0
25
50
75
100
125
150
Temperature [
ƒC]
C001
I
CSP
I
CSN
-45
0
45
90
135
180
-10
0
10
20
30
40
1000
10000
100000
1000000
10000000
FREQUENCY [Hz]
C002
PHASE
GAIN
A
CL=101, COMP unload
0
2
4
6
8
0
10
20
30
40
50
60
70
80
I
VCC [mA]
C001
No load
0
2
4
6
8
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
V
VIN [V]
C001
No load
LM5122/LM5122-Q1
SNVS954C – APRIL 2013 – REVISED MAY 2013
www.ti.com
TYPICAL CHARACTERISTICS (continued)
Figure 7. VVCC vs IVCC
Figure 8. VVCC vs VVIN
Figure 9. Error Amp Gain and Phase vs Frequency
Figure 10. ICSP, ICSN vs Temperature
Figure 11. VBST-SW vs VSW
Figure 12. IBST vs Temperature
Figure 13. VCS-TH1 vs VVIN
Figure 14. VCS-TH1 vs Temperature
8
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Copyright © 2013, Texas Instruments Incorporated
Product Folder Links: LM5122/LM5122-Q1


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