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参数资料
| 型号： | LTC1043CSW#TRPBF |
| 厂商： | Linear Technology |
| 文件页数： | 3/16页 |
| 文件大小： | 0K |
| 描述： | IC BUILDNG BLK SW-CAP DUAL18SOIC |
| 标准包装： | 1,000 |
| 应用： | 仪表 |
| 输入电压： | 3 V ~ 18 V |
| 输出数： | 2 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 18-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 18-SOIC |
| 包装： | 带卷 (TR) |
LTC1043
TYPICAL PERFOR A CE CHARACTERISTICS
Power Supply Current vs
(Test Circuits 2 through 4)
Power Supply Voltage
R ON vs V IN
R ON vs V IN
1.6
1.4
1.2
T A = –55 ° C
C OSC = 0pF
C OSC = 0.0047pF
T A = 25 ° C
550
500
450 V IN
400
R ON (PEAK)
I = 100 μ A
V+ = 5V
V – = 0V
T A = 25 ° C
280
260
240 V IN
220
R ON (PEAK)
I = 100 μ A
V+ = 10V
V – = 0V
T A = 25 ° C
1.0
C OSC = 0pF
C OSC = 0.0047pF
350
200
0.8
0.6
0.4
T A = 125 ° C
C OSC = 0pF
C OSC = 0.0047pF
300
250
200
I = 100 μ A
I = mA
180
160
140
I = 100 μ A
I = mA
150
120
0.2
0
100
100
0
2
4
6
8
10 12 14 16 18 20
0
1
2
3
4
5
0
1
2
3
4
5
6
7
8
9
10
R ON vs V IN
V SUPPLY (V)
LTC1043 ? TPC01
V IN (V)
LTC1043 ? TPC02
R ON (Peak) vs Power Supply
Voltage
V IN (V)
LTC1043 ? TPC03
R ON (Peak) vs Power Supply
Voltage and Temperature
260
240
220 V
IN
R ON (PEAK)
I = 100 μ A
V+ = 15V
V – = 0V
T A = 25 ° C
1000
900
800
V IN = 1.6V
V IN
R ON (PEAK)
I = 100 μ A
1100
1000
900
V IN
R ON (PEAK)
I = 100 μ A
200
180
700
600
800
700
160
140
I = 100 μ A
I = mA
500
400
V IN ≈ 3.2V
600
500
T A = 125 ° C
120
100
80
300
200
100
3V ≤ V+ + ≤ 18V
V – = 0V
T A = 25 ° C
V IN ≈ 7V
V IN ≈ 11V
V IN ≈ 15.1V
400
300
200
T A = –55 ° C
T A = 70 ° C
0
2
4
6
8
10 12 14 16 18 20
0
0
2
4
6
8
10 12 14 16 18 20
100
0
2
4
6
8
10 12 14 16 18 20
V IN (V)
Oscillator Frequency, f OSC
vs C OSC
LTC1043 ? TPC04
V SUPPLY (V)
Oscillator Frequency, f OSC
vs Supply Voltage
LTC1043 ? TPC05
V SUPPLY (V)
LTC1043 ? TPC06
Normalized Oscillator Frequency,
f OSC vs Supply Voltage
1M
100k
T A = 25 ° C
250
225
200
T A = 25 ° C
C OSC = 0pF
2.0
1.8
1.6
0pF < C OSC < 0.01 μ F
T A = 25 ° C
175
1.4
10k
V+ = 10V, V – = 0V
V+ = 5V, V – = 0V
150
125
1.2
1
1k
V+ = 15V, V – = 0V
100
75
0.8
0.6
50
25
C OSC = 100pF
0.4
0.2
100
0
2k
4k 6k
8k
10k
0
2
4
6
8
10 12 14 16 18 20
0
0
2
4
6
8
10 12 14 16 18 20
C OSC (pF)
LTC1043 ? TPC07
V SUPPLY (V)
LTC1043 ? TPC08
V SUPPLY (V)
LTC1043 ? TPC09
1043fa
3
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