|
|
Part: LM285Z-1.2
Category:
Power Management
-> Voltage References
Description: Micropower Voltage Reference Diodes , Package: Soic, Pins=8
Company: ON Semiconductor
Datasheet: Download LM285Z-1.2 datasheet File size : 634 kB
Request For quote: Find where to buy LM285Z-1.2
Datasheet text preview:
LM285, LM385B 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 µA 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 µA 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
LM385-1.2 Cathode
http://onsemi.com
Z SUFFIX PLASTIC PACKAGE CASE 29 (Bottom View)
3 2 1
N.C. Cathode Anode D SUFFIX PLASTIC PACKAGE CASE 751 N.C. (SO-8)
1
8 Cathode 7 N.C. 6 N.C. 5 N.C.
N.C. 2 N.C. 3 Anode 4
Standard Application
1.5 V Battery + - 3.3 k 1.235 V
360 k Open for 1.235 V
10 k
ORDERING INFORMATION
Reverse BreakOperating Temperature down Voltage Tolerance Range TA = - 40° to +85°C 1.235 V 2.500 V 1.235 V 1.235 V 2.500 V 2.500 V ± 1.0% ± 1.5% ± 1.0% ± 2.0% ± 1.5% ± 3.0%
600 k
8.45 k
Device LM285D-1.2 LM285Z-1.2
74.3 k Open for 2.5 V 600 k 425 k
LM285D-2.5 LM285Z-2.5 LM385BD-1.2 LM385BZ-1.2 500 100 k LM385D-1.2 LM385Z-1.2 LM385BD-2.5 LM385BZ-2.5
600 k
TA = 0° to +70°C
Anode
LM385D-2.5 LM385Z-2.5
© Semiconductor Components Industries, LLC, 2003
1
April, 2003 - Rev. 4
Publication Order Number: LM285/D
LM285, LM385B
MAXIMUM RATINGS (TA = 25°C, unless otherwise noted)
Rating Reverse Current Forward Current Operating Ambient Temperature Range LM285 LM385 Operating Junction Temperature Storage Temperature Range Symbol IR IF TA - 40 to + 85 0 to +70 TJ Tstg + 150 - 65 to + 150 °C °C Value 30 10 Unit mA mA °C
ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted)
LM285-1.2 Characteristic Reverse Breakdown Voltage (IRmin p IR p 20 mA) LM285-1.2/LM385B-1.2 TA = Tlow to Thigh (Note 1) LM385-1.2 TA = Tlow to Thigh (Note 1) Minimum Operating Current TA = 25°C TA = Tlow to Thigh (Note 1) Reverse Breakdown Voltage Change with Current IRmin p IR p 1.0 mA, TA = +25°C TA = Tlow to Thigh (Note 1) 1.0 mA p IR p 20 mA, TA = +25°C TA = Tlow to Thigh (Note 1) Reverse Dynamic Impedance IR = 100 µA, TA = +25°C Average Temperature Coefficient 10 µA p IR p 20 mA, TA = Tlow to Thigh (Note 1) Wideband Noise (RMS) IR = 100 µA, 10 Hz p f p 10 kHz Long Term Stability IR = 100 µA, TA = +25°C ± 0.1°C Symbol V(BR)R 1.223 1.200 IRmin V(BR)R Z V(BR)/T n S 0.6 80 60 20 1.0 1.5 10 20 0.6 80 60 20 1.0 1.5 20 25 W ppm/°C mV ppm/ kHR 8.0 10 20 8.0 15 20 mV 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 mA Min Typ Max LM385-1.2 /LM385B-1.2 Min Typ Max Unit V
http://onsemi.com
2
LM285, LM385B
ELECTRICAL CHARACTERISTICS (TA = 25°C, unless otherwise noted)
LM285-2.5 Characteristic Reverse Breakdown Voltage (IRmin p IR p 20 mA) LM285-2.5/LM385B-2.5 TA = Tlow to Thigh (Note 1) LM385-2.5 TA = Tlow to Thigh (Note 1) Minimum Operating Current TA = 25°C TA = Tlow to Thigh (Note 1) Reverse Breakdown Voltage Change with Current IRmin p IR p 1.0 mA, TA = +25°C TA = Tlow to Thigh (Note 1) 1.0 mA p IR p 20 mA, TA = +25°C TA = Tlow to Thigh (Note 1) Reverse Dynamic Impedance IR = 100 µA, TA = +25°C Average Temperature Coefficient 20 µA p IR p 20 mA, TA = Tlow to Thigh (Note 1) Wideband Noise (RMS) IR = 100 µA, 10 Hz p f p 10 kHz Long Term Stability IR = 100 µA, TA = +25°C ± 0.1°C Symbol V(BR)R 2.462 2.415 IRmin V(BR)R Z V(BR)/T n S 0.6 80 120 20 1.0 1.5 10 20 0.6 80 120 20 2.0 2.5 20 25 W ppm/°C µV ppm/ kHR 13 20 30 13 20 30 mV 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 µA Min Typ Max LM385-2.5 /LM385B-2.5 Min Typ Max Unit V
NOTES: 1. Tlow = - 40°C for LM285-1.2, LM285-2.5 = 0°C for LM385-1.2, LM385B-1.2, LM385-2.5, LM385B-2.5
Thigh = +85°C for LM285-1.2, LM285-2.5 Thigh = +70°C for LM385- 1.2, LM385B- 1.2, LM385- 2.5, LM385B- 2.5
http://onsemi.com
3
Others parts begin by lm
LM-1 LM-2 LM-3 LM-4 LM-5 LM-6 LM-7 LM-8 LM-9 LM-10 LM-11 LM-12 LM-13 LM-14 LM-15 LM-16 LM-17 LM-18 LM-19 LM-20 LM-21 LM-22 LM-23 LM-24 LM-25 LM-26 LM-27 LM-28 LM-29 LM-30 LM-31 LM-32 LM-33 LM-34 LM-35 LM-36 LM-37 LM-38 LM-39 LM-40 LM-41 LM-42 LM-43 LM-44 LM-45 LM-46 LM-47 LM-48 LM-49 LM-50 LM-51 LM-52 LM-53 LM-54 LM-55 LM-56 LM-57 LM-58 LM-59 LM-60 LM-61 LM-62 LM-63 LM-64 LM-65
|
|
|
