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參數(shù)資料
| 型號： | LLTC1142HV |
| 廠商： | Linear Technology Corporation |
| 元件分類： | 基準電壓源/電流源 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | 抗輻射高效，5安培開關(guān)穩(wěn)壓器 |
| 文件頁數(shù)： | 18/20頁 |
| 文件大小： | 261K |
| 代理商： | LLTC1142HV |
18
LTC1142/LTC1142L/LTC1142HV
Figure 12. LTC1142HV-ADJ High Efficiency Regulator with 3.3V/2A and 2.5V/1.5A Outputs
Figure 13. LTC1142HV High Efficiency Regulator with 3.3V/3A and 5V/2A Outputs
1000pF
+
+
+
1000pF
PDRIVE 1
SENSE
+
1
SENSE
–
1
NDRIVE 1
PGND1 SGND1 C
T1
5
I
TH1
I
TH2
C
T2
SGND2 PGND2
18
NDRIVE 2
SENSE
–
2
V
FB2
V
FB1
SENSE
+
2
PDRIVE 2
V
IN1
SHDN1
SHDN2
V
IN2
LTC1142HV-ADJ
C
330pF
4
25
27
R
C1
1k
13
R
C2
1k
11
19
C
3300pF
C
3300pF
C
330pF
0.22
μ
F
3
24
17
100pF
100pF
10
9
15
14
16
20
23
1
28
2
6
V
3.3V/2A
C
OUT2
220
μ
F
10V
×
2
R
0.05
P-CH
Si9430DY
L2
25
μ
H
D2
MBRS130T3
N-CH
Si9410DY
0V = NORMAL
>1.5V = SHDN
0.22
μ
F
C
IN2
22
μ
F
35V
×
2
C
IN1
22
μ
F
35V
×
2
P-CH
Si9430DY
N-CH
Si9410DY
D1
MBRS130T3
C
OUT1
220
μ
F
10V
×
2
L1
33
μ
H
R
0.075
R2
49.9k
1%
R4
84.5k
1%
R3
51k
1%
R1
49.9k
1%
V
2.5V/1.5A
V
4.5V TO 18V
R
SENSE1
: IRC L1206-01-R075-J
R
SENSE2
: IRC L1206-01-R050-J
1142 F12
+
L1: COILTRONICS CTX33-4
L2: COILTRONICS CTX25-4
+
+
+
1000pF
PDRIVE 3
SENSE
+
3
SENSE
–
3
NDRIVE 3
PGND3 SGND3 C
T3
4
I
TH3
I
TH5
C
T5
SGND5 PGND5
17
NDRIVE 5
SENSE
–
5
SENSE
+
5
PDRIVE 5
V
IN3
SHDN3
SHDN5
V
IN5
LTC1142HV
C
150pF
3
25
27
R
C3
510
13
R
C5
1k
11
18
C
3300pF
C
3300pF
C
200pF
0.22
μ
F
2
24
16
10
9
15
14
20
23
1
28
6
V
5V/2A
C
OUT5
220
μ
F
10V
×
2
R
0.05
L2
22
μ
H
D2
MBRS130T3
N-CH
Si9410DY
0V = NORMAL
>1.5V = SHDN
0.22
μ
F
C
IN5
22
μ
F
25V
×
2
C
IN3
22
μ
F
25V
×
2
P-CH
Si9433DY
N-CH
Si9410DY
D1
MBRS130T3
C
OUT3
100
μ
F
10V
×
3
L1
10
μ
H
R
0.033
V
3.3V/3A
V
5.2V TO 18V
1142 F13
+
P-CH
Si9430DY
1000pF
R
SENSE3
: IRC L1206-01-R033-J
R
SENSE5
: IRC L1206-01-R050-J
L1: COILCRAFT D03316P-103
L2: COILCRAFT D03316P-223
TYPICAL APPLICATIO S
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