參數(shù)資料
型號(hào)： LLTC1142HV
廠商： Linear Technology Corporation
元件分類： 基準(zhǔn)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(kāi)關(guān)穩(wěn)壓器
文件頁(yè)數(shù)： 3/20頁(yè)
文件大?。?/td> 261K
代理商： LLTC1142HV
3
LTC1142/LTC1142L/LTC1142HV
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specifications are at T
A
= 25
°
C. V
10
= V
24
= 10V, V
SHDN
= 0V unless otherwise noted.
SYMBOL
PARAMETER
Input DC Supply Current (Note 3)
Normal Mode
Sleep Mode
Shutdown
Input DC Supply Current (Note 3)
Normal Mode
Sleep Mode
Shutdown
Current Sense Threshold Voltage
CONDITIONS
LTC1142HV, LTC1142HV-ADJ
4V < V
10
, V
24
< 18V
4V < V
24
< 18V, 6V < V
10
< 18V
V
SD1
= V
SD2
= 2.1V, 4V < V
10
, V
24
< 18V
LTC1142L-ADJ (Note 6)
3.5V < V
10
, V
24
< 12V
3.5V < V
10
, V
24
< 12V
V
SD1
= V
SD2
= 2.1V, 3.5V < V
10
, V
24
< 12V
LTC1142HV-ADJ, LTC1142L-ADJ
V
14
= V
28
= V
OUT
+ 100mV, V
2
= V
16
= V
REF
+ 25mV
V
14
= V
28
= V
OUT
– 100mV, V
2
= V
16
= V
REF
– 25mV
LTC1142, LTC1142HV
V
28
= V
OUT
+ 100mV (Forced)
V
28
= V
OUT
– 100mV (Forced)
LTC1142, LTC1142HV
V
14
= V
OUT
+ 100mV (Forced)
V
14
= V
OUT
– 100mV (Forced)
MIN
TYP
MAX
UNITS
The
G
denotes the specifications which apply over the full operating
V
2
, V
16
I
2
, I
16
V
OUT
Feedback Voltage
Feedback Current
Regulated Output Voltage
3.3V Output
5V Output
Input DC Supply Current (Note 3)
Normal Mode
Sleep Mode
Shutdown
Input DC Supply Current (Note 3)
Normal Mode
Sleep Mode
Shutdown
Input DC Supply Current (Note 3)
Normal Mode
Sleep Mode
Shutdown
Current Sense Threshold Voltage
LTC1142HV-ADJ Only: V
10
, V
24
= 9V
LTC1142HV-ADJ Only
LTC1142, LTC1142HV
I
LOAD
= 700mA, V
24
= 9V
I
LOAD
= 700mA, V
10
= 9V
LTC1142
4V < V
10
, V
24
< 12V
4V < V
24
< 12V, 6V < V
10
< 12V
V
SHDN
= 2.1V, 4V < V
10
, V
24
< 12V
LTC1142HV-ADJ, LTC1142HV
4V < V
10
, V
24
< 18V
4V < V
24
< 18V, 6V < V
10
< 18V
V
SHDN
= 2.1V, 4V < V
10
, V
24
< 12V
LTC1142L-ADJ (Note 6)
3.5V < V
10
, V
24
< 12V
3.5V < V
10
, V
24
< 12V
V
SD1
= V
SD2
= 2.1V, 3.5V < V
10
, V
24
< 12V
LTC1142HV-ADJ, LTC1142L-ADJ
V
14
= V
28
= V
OUT
+ 100mV, V
2
= V
16
= V
REF
+ 25mV
V
14
= V
28
= V
OUT
– 100mV, V
2
= V
16
= V
REF
– 25mV
LTC1142, LTC1142HV
V
28
= V
OUT
+ 100mV (Forced)
V
28
= V
OUT
– 100mV (Forced)
1.21
1.25
0.2
1.29
1
V
μ
A
3.17
4.85
3.33
5.05
3.43
5.20
V
V
I
10
, I
24
1.6
160
10
2.4
260
22
mA
μ
A
μ
A
1.6
160
10
2.6
280
24
mA
μ
A
μ
A
1.6
160
10
2.4
260
22
mA
μ
A
μ
A
V
1
– V
28
V
15
– V
14
25
150
mV
mV
125
175
25
150
mV
mV
125
175
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
1.6
160
10
2.3
250
22
mA
μ
A
μ
A
1.6
160
10
2.1
230
20
mA
μ
A
μ
A
V
1
– V
28
V
15
– V
14
25
150
mV
mV
G
130
170
25
150
mV
mV
G
130
170
25
150
0.8
1.2
70
2
5
100
mV
mV
G
130
0.5
170
2
5
90
10
6
200
V
SHDN
I
SHDN
I
11
, I
24
Shutdown Pin Threshold
Shutdown Pin Input Current
C
T
Pin Discharge Current
V
0V < V
SHDN
< 8V, V
10
, V
24
= 16V
V
OUT
in Regulation, V
SENSE–
= V
OUT
V
OUT
= 0V
C
T
= 390pF, I
LOAD
= 700mA
C
L
= 3000pF (Pins 6, 9, 20, 23), V
10
, V
24
= 6V
μ
A
μ
A
μ
A
μ
s
ns
50
t
OFF
t
r
, t
f
Off-Time (Note 4)
Driver Output Transition Times
4
–40
°
C
≤
T
A
≤
85
°
C (Note 5), V
10
= V
24
= 10V, unless otherwise noted.
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