LT1634 Просмотр технического описания (PDF) - Linear Technology
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LT1634 Datasheet PDF : 12 Pages
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LT1634
1.25V TYPICAL PERFOR A CE CHARACTERISTICS
Reverse Characteristics
10
TA = – 40°C TO 85°C
8
6
4
2
0
0
0.4
0.8
1.2
1.6
REVERSE VOLTAGE (V)
1634-1.25 G01
Reverse Dynamic Impedance
100
TA = 25°C
f = 25Hz
10
Temperature Drift
2.0
10µA
1.5
100µA
200µA
1.0
500µA
1mA
0.5
0
– 0.5
– 1.0
– 1.5
– 2.0
– 40 –20 0
20 40 60 80
TEMPERATURE (°C)
1634-1.25 TA02
Dynamic Impedance vs Frequency
10000
TA = 25°C
1000
100
IR = 10µA
COUT = 0µF
IR = 10µA
COUT = 0.022µF
Reverse Voltage Change
vs Current
4
TA = – 40°C TO 85°C
3
2
1
0
0.01
0.1
1
10
100
REVERSE CURRENT (mA)
1634-1.25 G03
Forward Characteristics
1.2
TA = 25°C
0.8
1
0.1
0.001
0.01 0.1
1
10 100
REVERSE CURRENT (mA)
1634-1.25 G04
0.1Hz to 10Hz Noise
8
TA = – 40°C TO 85°C
6 IR = 10µA
4
2
0
–2
–4
–6
–8
0
10 20 30 40 50 60 70
TIME (SEC)
1634-1.25 G07
10
1
0.1
0.01
IR = 100µA
COUT = 0.47µF
IR = 100µA
COUT = 0µF
0.1
1
10
100
FREQUENCY (kHz)
1634-1.25 G05
Response Time
0.4
0
0.01
0.1
1
10
100
FORWARD CURRENT (mA)
1634-1.25 G06
Response Time
1.5V
1V
0.5V
0V
5V
0V
IR = 10µA
COUT = 0
200µs/DIV
OUT
IN
1634-1.25 G08
1.5V
1V
0.5V
0V
5V
0V
IR = 10µA
COUT = 0.1µF
20ms/DIV
OUT
IN
1634-1.25 G09
6
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