參數(shù)資料
型號: LTC1147
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): 4/16頁
文件大小: 204K
代理商: LTC1147
4
LTC1147-3.3
LTC1147-5/LTC 1147L
LOAD CURRENT (A)
0
–100
V
O
–80
–60
–40
–20
0
20
0.5
1.0
1.5
2.0
LTC1147 G03
2.5
FIGURE 1 CIRCUIT
R
SENSE
= 0.05
V
IN
= 6V
V
IN
= 12V
INPUT VOLTAGE (V)
0
V
O
0
10
20
16
LTC1147 G02
–10
–20
–40
4
8
12
–30
40
30
FIGURE 1 CIRCUIT
I
LOAD
= 1A
Efficiency vs Input Voltage
Line Regulation
Load Regulation
INPUT VOLTAGE (V)
0
80
E
82
86
88
90
100
94
4
8
LTC1147 G01
84
96
98
92
12
16
FIGURE 1 CIRCUIT
I
LOAD
= 1A
I
LOAD
= 100mA
OPERATING FREQUENCY (kHz)
20
0
G
2
4
6
14
10
80
140
12
8
200
260
Q
P
= 29nC
Q
P
= 50nC
LTC1147 G07
TEMPERATURE (
°
C)
0
0
S
25
50
75
175
125
20
40
150
100
60
80
100
MAXIMUM
THRESHOLD
MINIMUM
THRESHOLD
LTC1147 G09
OUTPUT VOLTAGE (V)
0
O
μ
s
40
50
60
4
LTC1147 G08
30
20
0
1
2
3
10
80
70
5
LTC1147-5
LTC1147-3.3
V
SENSE–
= V
OUT
Gate Charge Supply Current
Operating Frequency
vs (V
IN
– V
OUT
)
INPUT VOLTAGE (V)
0
0
S
0.3
0.9
1.2
1.5
4
LTC1147 G04
0.6
2
6
1.8
2.1
8
10
12
14
16
18
NOT INCLUDING
GATE CHARGE CURRENT
SLEEP MODE
ACTIVE MODE
(V
IN
– V
OUT
) VOLTAGE (V)
0
N
0.6
1.0
8
LTC1148 G06
0.4
0
2
4
6
0.2
1.2
0.8
10
12
1.4
1.6
V
OUT
= 5V
0
°
C
70
°
C
25
°
C
INPUT VOLTAGE (V)
0
0
S
μ
A
2
6
8
10
20
14
4
8
10
18
LTC1147 G05
4
16
18
12
2
6
12
14
16
V
SHUTDOWN
= 2V
(NOT AVAILABLE ON LTC1147L)
DC Supply Current
Supply Current in Shutdown
Current Sense Threshold Voltage
Off-Time vs V
OUT
TYPICAL PERFOR U
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