Datasheet
LM285, LM385B
http://onsemi.com
2
MAXIMUM RATINGS (T
A
= 25°C, unless otherwise noted)
Rating
Symbol Value Unit
Reverse Current I
R
30 mA
Forward Current I
F
10 mA
Operating Ambient Temperature Range
LM285
LM385
T
A
-40 to +85
0 to +70
°C
Operating Junction Temperature T
J
+150 °C
Storage Temperature Range T
stg
-65 to + 150 °C
Electrostatic Discharge Sensitivity (ESD)
Human Body Model (HBM)
Machine Model (MM)
Charged Device Model (CDM)
ESD
4000
400
2000
V
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may affect
device reliability.
ELECTRICAL CHARACTERISTICS (T
A
= 25°C, unless otherwise noted)
Characteristic Symbol
LM285-1.2 LM385-1.2/LM385B-1.2
Unit
Min Typ Max Min Typ Max
Reverse Breakdown Voltage (I
Rmin
v I
R
v 20 mA)
LM285-1.2/LM385B-1.2
T
A
= T
low
to T
high
(Note 1)
LM385-1.2
T
A
= T
low
to T
high
(Note 1)
V
(BR)R
1.223
1.200
-
-
1.235
-
-
-
1.247
1.270
-
-
1.223
1.210
1.205
1.192
1.235
-
1.235
-
1.247
1.260
1.260
1.273
V
Minimum Operating Current
T
A
= 25°C
T
A
= T
low
to T
high
(Note 1)
I
Rmin
-
-
8.0
-
10
20
-
8.0
-
15
20
mA
Reverse Breakdown Voltage Change with Current
I
Rmin
v I
R
v 1.0 mA, T
A
= +25°C
T
A
= T
low
to T
high
(Note 1)
1.0 mA v I
R
v 20 mA, T
A
= +25°C
T
A
= T
low
to T
high
(Note 1)
DV
(BR)R
-
-
-
-
-
-
-
-
1.0
1.5
10
20
-
-
-
-
-
-
-
-
1.0
1.5
20
25
mV
Reverse Dynamic Impedance
I
R
= 100 mA, T
A
= +25°C
Z
- 0.6 - - 0.6 -
W
Average Temperature Coefficient
10 mA v I
R
v 20 mA, T
A
= T
low
to T
high
(Note 1)
DV
(BR)
/DT
- 80 - - 80 -
ppm/°C
Wideband Noise (RMS)
I
R
= 100 mA, 10 Hz v f v 10 kHz
n
- 60 - - 60 -
mV
Long Term Stability
I
R
= 100 mA, T
A
= +25°C ± 0.1°C
S
- 20 - - 20 -
ppm/kHR
Reverse Breakdown Voltage (I
Rmin
v I
R
v 20 mA)
LM285-2.5/LM385B-2.5
T
A
= T
low
to T
high
(Note 1)
LM385-2.5
T
A
= T
low
to T
high
(Note 1)
V
(BR)R
2.462
2.415
-
-
2.5
-
-
-
2.538
2.585
-
-
2.462
2.436
2.425
2.400
2.5
-
2.5
-
2.538
2.564
2.575
2.600
V
Minimum Operating Current
T
A
= 25°C
T
A
= T
low
to T
high
(Note 1)
I
Rmin
-
-
13
-
20
30
-
-
13
-
20
30
mA
1. T
low
= -40°C for LM285-1.2, LM285-2.5
T
high
=+85°C for LM285-1.2, LM285-2.5
T
low
= 0°C for LM385-1.2, LM385B-1.2, LM385-2.5, LM385B-2.5
T
high
=+70°C for LM385-1.2, LM385B-1.2, LM385-2.5, LM385B-2.5