参数资料
型号: LTC6943IGN#TRPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC BUILDNG BLK SWCAP DUAL 16SSOP
标准包装: 2,500
应用: 切换电容构建块
输入电压: 5 V ~ 18 V
输出数: 1
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-SSOP(0.154",3.90mm 宽)
供应商设备封装: 16-SSOP
包装: 带卷 (TR)
LTC6943
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
0.50
0.45
0.40
0.35
C OSC = 0pF, T A = –55 ° C
C OSC = 0pF, T A = 25 ° C
C OSC = 0pF, T A = 125 ° C
C OSC = 4700pF, T A = –55 ° C
C OSC = 4700pF, T A = 25 ° C
C OSC = 4700pF, T A = 125 ° 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
0.30
350
200
0.25
0.20
0.15
0.10
0.05
300
250
200
150
100
I = 100 μ A
I = mA
180
160
140
120
100
I = 100 μ A
I = mA
0
0
2
4
6
8
10
12
14
16
18
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)
6943 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
1000
100
10
T A = 25 ° C
V S = 5V
250
225
200
175
150
125
T A = 25 ° C
C OSC = 0pF
1.5
1.3
1.0
T A = 25 ° C
C OSC = 0pF
C OSC = 100pF
1
V S = 15V
V S = 10V
100
75
50
25
C OSC = 100pF
0.5
0.3
C OSC = 10,000pF
C OSC = 1,000pF
0.1
0
1000
2000 3000
4000
5000
0
0
2
4
6
8
10
12
14
16
18
0
0
2
4
6
8
10
12
14
16
18
C OSC (pF)
6943 TPC07
V SUPPLY (V)
6943 TPC08
V SUPPLY (V)
6943 TPC09
6943f
3
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