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LM285
LM385, B
SEMICONDUCTOR
TECHNICAL DATA
MICROPOWER VOLTAGE
REFERENCE DIODES
ORDERING INFORMATION
Order this document by LM285/D
Z SUFFIX
PLASTIC PACKAGE
CASE 29
D SUFFIX
PLASTIC PACKAGE
CASE 751
(SO–8)
(Bottom View)
1
32
8
7
6
5
Cathode
N.C.
4
3
2
Anode
N.C.
1
N.C.
Cathode
Anode
–
+
LM385–1.2
1.235 V
3.3 k
1.5 V
Battery
Standard Application
Device
Operating
Temperature
Range
Tolerance
LM285D–1.2
LM285Z–1.2
TA = – 40° to
+85
°C
±1.0%
LM285D–2.5
LM285Z–2.5
LM385BD–1.2
LM385BZ–1.2
LM385D–1.2
LM385Z–1.2
LM385BD–2.5
LM385BZ–2.5
LM385D–2.5
LM385Z–2.5
Reverse
Break–
down
Voltage
1.235 V
±1.5%
2.500 V
TA = 0° to
+70
°C
±1.0%
1.235 V
±2.0%
1.235 V
±1.5%
2.500 V
±3.0%
2.500 V
1
MOTOROLA ANALOG IC DEVICE DATA
Micropower Voltage
Reference Diodes
The LM285/LM385 series are micropower two–terminal bandgap voltage
regulator diodes. Designed to operate over a wide current range of 10
A to
20 mA, these devices feature exceptionally low dynamic impedance, low
noise and stable operation over time and temperature. Tight voltage
tolerances are achieved by on–chip trimming. The large dynamic operating
range enables these devices to be used in applications with widely varying
supplies with excellent regulation. Extremely low operating current make
these devices ideal for micropower circuitry like portable instrumentation,
regulators and other analog circuitry where extended battery life is required.
The LM285/LM385 series are packaged in a low cost TO–226AA plastic
case and are available in two voltage versions of 1.235 and 2.500 V as
denoted by the device suffix (see Ordering Information table). The LM285 is
specified over a –40
°C to +85°C temperature range while the LM385 is rated
from 0
°C to +70°C.
The LM385 is also available in a surface mount plastic package in
voltages of 1.235 and 2.500 V.
Operating Current from 10 A to 20 mA
1.0%, 1.5%, 2.0% and 3.0% Initial Tolerance Grades
Low Temperature Coefficient
1.0 Dynamic Impedance
Surface Mount Package Available
Representative Schematic Diagram
Open
for 1.235 V
10 k
Cathode
Anode
100 k
500
600 k
425 k
74.3 k
8.45 k
600 k
360 k
Open
for 2.5 V
Motorola, Inc. 1996
Rev 2
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相关PDF资料
LM385Z-1.2RP 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.235 V, PBCY3
LM385BD-1.2R2 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.235 V, PDSO8
LM385Z-2.5RA 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PBCY3
LM285Z-2.5RE 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PBCY3
LM385Z-2.5RM 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PBCY3
LM385BD-2.5R2 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 2.5 V, PDSO8
LM385BD-1.2R1 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.235 V, PDSO8
LM385Z-1.2RA 1-OUTPUT TWO TERM VOLTAGE REFERENCE, 1.235 V, PBCY3
相关代理商/技术参数
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