Datasheet
LTC1043
3
1043fa
Power Supply Current vs
Power Supply Voltage
(Test Circuits 2 through 4)
TYPICAL PERFOR A CE CHARACTERISTICS
UW
R
ON
vs V
IN
R
ON
vs V
IN
R
ON
vs V
IN
R
ON
(Peak) vs Power Supply
Voltage and Temperature
R
ON
(Peak) vs Power Supply
Voltage
Oscillator Frequency, f
OSC
vs C
OSC
Normalized Oscillator Frequency,
f
OSC
vs Supply Voltage
Oscillator Frequency, f
OSC
vs Supply Voltage
V
SUPPLY
(V)
0
SUPPLY CURRENT (mA)
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
0
16
LTC1043 • TPC01
4812 20142610 18
T
A
= –55°C
C
OSC
= 0pF
C
OSC
= 0.0047pF
T
A
= 25°C
C
OSC
= 0pF
C
OSC
= 0.0047pF
T
A
= 125°C
C
OSC
= 0pF
C
OSC
= 0.0047pF
V
IN
(V)
0
R
ON
(Ω)
350
450
550
4
LTC1043 • TPC02
250
150
300
400
500
200
100
1
2
3
5
V
+
= 5V
V
–
= 0V
T
A
= 25°C
V
IN
R
ON
(PEAK)
I = mA
I = 100µA
I = 100µA
V
IN
(V)
0
R
ON
(Ω)
180
220
260
16
LTC1043 • TPC04
140
100
160
200
240
120
80
42
86
12 14 18
10
20
V
+
= 15V
V
–
= 0V
T
A
= 25°C
V
IN
R
ON
(PEAK)
I = mA
I = 100µA
I = 100µA
C
OSC
(pF)
1k
f
OSC
(Hz)
10k
100k
1M
04k6k8k
100
2k
10k
LTC1043 • TPC07
T
A
= 25°C
V
+
= 15V, V
–
= 0V
V
+
= 5V, V
–
= 0V
V
+
= 10V, V
–
= 0V
V
SUPPLY
(V)
0
f
OSC
(kHz)
150
200
250
16
LTC1043 • TPC08
100
50
125
175
225
75
25
42
86
12 14 18
10
20
T
A
= 25°C
C
OSC
= 0pF
C
OSC
= 100pF
V
SUPPLY
(V)
0
NORMALIZED TO f
OSC
AT 5V SUPPLY
OSCILLATOR FREQUENCY
1.2
1.6
2.0
16
LTC1043 • TPC09
0.8
0.4
1
1.4
1.8
0.6
0.2
0
42
86
12 14 18
10
20
0pF < C
OSC
< 0.01µF
T
A
= 25°C
V
IN
(V)
0
R
ON
(Ω)
200
240
280
8
LTC1043 • TPC03
160
120
220
260
180
140
100
2
4
6
10
7
1
3
5
9
V
+
= 10V
V
–
= 0V
T
A
= 25°C
V
IN
R
ON
(PEAK)
I = mA
I = 100µA
I = 100µA
V
SUPPLY
(V)
0
R
ON
(Ω)
600
800
1000
16
LTC1043 • TPC05
400
200
500
700
900
300
100
0
42
86
12 14 18
10
20
V
IN
R
ON
(PEAK)
V
IN
= 1.6V
V
IN
≈ 3.2V
V
IN
≈ 7V
V
IN
≈ 11V
V
IN
≈ 15.1V
3V ≤ V
+
+ ≤18V
V
–
= 0V
T
A
= 25°C
I = 100µA
V
SUPPLY
(V)
0
R
ON
(Ω)
700
900
1100
16
LTC1043 • TPC06
500
300
600
800
1000
400
200
100
42
86
12 14 18
10
20
V
IN
R
ON
(PEAK)
T
A
= 125°C
T
A
= –55°C
I = 100µA
T
A
= 70°C
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