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參數(shù)資料
| 型號： | LTM4612IV#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 940 kHz SWITCHING FREQ-MAX, PBGA133 |
| 封裝： | 15 X 15 MM, 2.82 MM HEIGHT, LEAD FREE, MO-222, LGA-133 |
| 文件頁數(shù)： | 22/26頁 |
| 文件大小： | 5123K |
| 代理商： | LTM4612IV#PBF |
LTM4612
4612fa
Typical perForMance characTerisTics
Efficiency vs Load Current with
3.3VOUT (FCB = 0)
Efficiency vs Load Current with
5VOUT (FCB = 0)
Efficiency vs Load Current with
12VOUT (FCB = 0)
Efficiency vs Load Current with
15VOUT (FCB = 0, Refer to Figure 20)
Transient Response from 12VIN
to 3.3VOUT
Transient Response from 12VIN
to 5VOUT
Transient Response from 24VIN
to 12VOUT
Start-Up with 24VIN to 12VOUT
at IOUT = 0A
Start-Up with 24VIN to 12VOUT at
IOUT = 5A
(Refer to Figure 18)
LOAD CURRENT (A)
0
EFFICIENCY
(%)
70
95
100
1
2
3
60
85
65
90
55
50
80
75
4
5
4612 G01
5VIN 3.3VOUT
12VIN 3.3VOUT
24VIN 3.3VOUT
36VIN 3.3VOUT
LOAD CURRENT (A)
0
EFFICIENCY
(%)
70
95
1
2
3
60
85
65
90
55
50
80
75
4
5
4612 G02
12VIN 5VOUT
24VIN 5VOUT
36VIN 5VOUT
LOAD CURRENT (A)
0
EFFICIENCY
(%)
70
95
100
1
2
3
60
85
65
90
55
50
80
75
4
5
4612 G03
20VIN 12VOUT
24VIN 12VOUT
28VIN 12VOUT
36VIN 12VOUT
LOAD CURRENT (A)
0
EFFICIENCY
(%)
70
100
95
1
2
3
60
85
65
90
80
75
4
5
4612 G04
28VIN 15VOUT
32VIN 15VOUT
36VIN 15VOUT
50s/DIV
2A/DIV
100mV/DIV
4612 G05
LOAD STEP: 0A to 3A
COUT = 2 22F CERAMIC CAPACITORS AND
2 47F CERAMIC CAPACITORS
50s/DIV
2A/DIV
100mV/DIV
4612 G06
LOAD STEP: 0A to 3A
COUT = 2 22F CERAMIC CAPACITORS AND
2 47F CERAMIC CAPACITORS
50s/DIV
2A/DIV
200mV/
DIV
4612 G07
LOAD STEP: 0A to 3A
COUT = 2 22F CERAMIC CAPACITORS AND
2 47F CERAMIC CAPACITORS
500s/DIV
IIN
0.2A/DIV
VOUT
5V/DIV
4612 G08
SOFT-START CAPACITOR: 3.9nF
CIN = 3 10F CERAMIC CAPACITORS AND
1 47F OSCON CAPACITOR
500s/DIV
IIN
1A/DIV
VOUT
5V/DIV
4612 G09
SOFT-START CAPACITOR: 3.9nF
CIN = 3 10F CERAMIC CAPACITORS AND
1 47F OSCON CAPACITOR
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