PRELIMINARY INFORMATION
LM285/285B-1.2V
LM285/285B-2.5V
LM385/385B-1.2V
LM385/385B-2.5V
TYPICAL CHARACTERISTICS
LM285/385-1.2V: Output Voltage vs
Reverse Current
1000
OUTPUT VOLTAGE CHANGE (mV)
REVERSE CURRENT (µA)
LOW POWER, BANDGAP
VOLTAGE REFERENCES
LM285/385-1.2V: Output Voltage Change
vs Reverse Current
10
FORWARD VOLTAGE (V)
1.2
TA = +25°C
8
1.0
0.8
0.6
0.4
0.2
LM285/385-1.2V: Forward Voltage vs
Forward Current
TA = +25°C
TA = +25°C
100
6
10
4
1
2
0
0.01
0.1
0
0.25 0.5 0.75 1.0 1.25
OUTPUT VOLTAGE (V)
LM285/385-1.2V
Response Time
1.5
0.1
1
10
REVERSE CURRENT (mA)
100
0
0.01
0.1
1
10
FORWARD CURRENT (mA)
100
LM285/385-2.5V: Output Voltage vs
Reverse Current
1000
REVERSE CURRENT (µA)
10.0
TA = +25°C
5.0
INPUT
VOLTAGE (V)
0
1.5
1.0
0.5
0
0
200
400
TIME (µsec)
600
OUTPUT
LM285/385-2.5V: Output Voltage Change
vs Reverse Current
10
OUTPUT VOLTAGE CHANGE (mV)
TA = +25°C
100
8
TA = +25°C
6
10
4
1
2
0.1
0
0.5
1.0
1.5
2.0
2.5
OUTPUT VOLTAGE (V)
LM285/385-2.5V
Response Time
TA = +25°C
INPUT
3.0
0
0.01
0.1
1
10
REVERSE CURRENT (mA)
100
LM285/385-2.5V: Forward Voltage vs
Forward Current
1.2
TA = +25°C
FORWARD VOLTAGE (V)
1.0
0.8
0.6
0.4
0.2
0
0.01
VOLTAGE (V)
10
5
0
3
2
1
0
0
OUTPUT
0.1
1
10
FORWARD CURRENT (mA)
100
200
400
TIME (µsec)
600
3-12
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