参数资料
型号: LTC1159
厂商: Linear Technology Corporation
元件分类: 基准电压源/电流源
英文描述: RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS
中文描述: 抗辐射高效,5安培开关稳压器
文件页数: 4/20页
文件大小: 400K
代理商: LTC1159
4
LTC1159/LTC1159-3.3/LTC1159-5
C
HARA TERISTICS
U
A
TYPICAL PERFOR
CE
Load Regulation
Efficiency vs Input Voltage
Line Regulation
Operating Frequency
vs (V
IN
– V
OUT
)
EXTV
CC
Switch Drop
Current Sense Threshold Voltage
EXTV
CC
Pin Current
V
IN
Pin Current
Off-Time vs V
OUT
INPUT VOLTAGE (V)
0
80
E
85
90
95
100
5
10
15
20
LTC1159 TPC01
25
30
35
40
FIGURE 1 CIRCUIT
I
LOAD
= 1A
NOTE 6
LOAD CURRENT (A)
0
–100
V
O
–80
–60
–40
–20
0
20
0.5
1.0
1.5
2.0
LTC1159 TPC03
2.5
FIGURE 1 CIRCUIT
V
IN
= 24V
INPUT VOLTAGE (V)
0
E
C
6
8
10
15
25
40
LTC1159 TPC04
4
2
0
5
10
20
30
35
FIGURE 1 CIRCUIT
NOTE 6
I
LOAD
= 1A
I
LOAD
= 100mA
I
LOAD
= 0
INPUT VOLTAGE (V)
0
S
μ
A
300
400
500
15
25
40
LTC1159 TPC05
200
100
0
5
10
20
30
35
FIGURE 1 CIRCUIT
NOTE 6
NORMAL
V
SHDN2
= 2V
(V
IN
– V
OUT
) VOLTAGE (V)
0
N
1.0
1.5
20
LTC1159 TPC06
0.5
0
5
10
15
25
2.0
V
OUT
= 5V
T = 70°C
T = 0°C
T = 25°C
SWITCH CURRENT (mA)
0
0
E
C
C
100
200
300
400
500
600
5
10
15
20
LTC1159 TPC07
OUTPUT VOLTAGE (V)
1
O
μ
s
40
50
60
5
LTC1159 TPC08
30
20
0
2
3
4
10
80
70
0
LTC1159-5
LTC1159-3.3
TEMPERATURE (°C)
20
S
80
100
120
100
LTC1159 TPC09
60
40
0
40
60
80
20
160
140
0
MAXIMUM
THRESHOLD
MINIMUM
THRESHOLD
INPUT VOLTAGE (V)
0
–60
V
O
–40
–20
0
20
10
20
30
40
LT1159 TPC02
40
60
5
15
25
35
FIGURE 1 CIRCUIT
I
LOAD
= 1A
NOTE 6
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LTC1159-3.3 制造商:LINER 制造商全称:Linear Technology 功能描述:High Efficiency Synchronous Step-Down Switching Regulators
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