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LM136-5.0

LM136-5.0

  • 厂商:

    NSC

  • 封装:

  • 描述:

    LM136-5.0 - 5.0V Reference Diode - National Semiconductor

  • 数据手册
  • 价格&库存
LM136-5.0 数据手册
LM136-5.0/LM236-5.0/LM336-5.0 5.0V Reference Diode September 2003 LM136-5.0/LM236-5.0/LM336-5.0 5.0V Reference Diode General Description The LM136-5.0/LM236-5.0/LM336-5.0 integrated circuits are precision 5.0V shunt regulator diodes. These monolithic IC voltage references operate as a low temperature coefficient 5.0V zener with 0.6Ω dynamic impedance. A third terminal on the LM136-5.0 allows the reference voltage and temperature coefficient to be trimmed easily. The LM136-5.0 series is useful as a precision 5.0V low voltage reference for digital voltmeters, power supplies or op amp circuitry. The 5.0V makes it convenient to obtain a stable reference from low voltage supplies. Further, since the LM136-5.0 operates as a shunt regulator, it can be used as either a positive or negative voltage reference. The LM136-5.0 is rated for operation over −55˚C to +125˚C while the LM236-5.0 is rated over a −25˚C to +85˚C temperature range. The LM336-5.0 is rated for operation over a 0˚C to +70˚C temperature range. See the connection diagrams for available packages. For applications requiring 2.5V see LM136-2.5. Features n n n n n n n n n Adjustable 4V to 6V Low temperature coefficient Wide operating current of 600 µA to 10 mA 0.6Ω dynamic impedance ± 1% initial tolerance available Guaranteed temperature stability Easily trimmed for minimum temperature drift Fast turn-on Three lead transistor package Connection Diagrams TO-92 Plastic Package SO Package 00571604 Bottom View Order Number LM336Z-5.0 or LM336BZ-5.0 See NS Package Number Z03A TO-46 Metal Can Package 00571607 Order Number LM336M-5.0 or LM336BM-5.0 See NS Package Number M08A 00571605 Bottom View Order Number LM136H-5.0, LM136H-5.0/883, LM236H-5.0, LM136AH-5.0, LM136AH-5.0/883, or LM236AH-5.0 See NS Package Number H03H © 2003 National Semiconductor Corporation DS005716 www.national.com LM136-5.0/LM236-5.0/LM336-5.0 Typical Applications 5.0V Reference Trimmed 4V to 6V Reference with Temperature Coefficient Independent of Breakdown Voltage 00571601 5.0V Reference with Minimum Temperature Coefficient * Does not affect temperature coefficient 00571603 00571615 † Adjust to 5.00V * Any silicon signal diode www.national.com 2 LM136-5.0/LM236-5.0/LM336-5.0 Absolute Maximum Ratings (Note 1) LM336-5.0 Soldering Information TO-92 Package (10 sec.) TO-46 Package (10 sec.) SO Package Vapor Phase (60 sec.) Infrared (15 sec.) 0˚C to +70˚C 260˚C 300˚C 215˚C 220˚C If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Reverse Current Forward Current Storage Temperature Operating Temperature Range (Note 2) LM136-5.0 LM236-5.0 −55˚C to +150˚C −25˚C to +85˚C 15mA 10mA −60˚C to +150˚C See AN-450 “Surface Mounting Methods and Their Effect on Product Reliability” (appendix D) for other methods of soldering surface mount devices. Electrical Characteristics (Note 3) LM136A-5.0/LM236A-5.0 Parameter Reverse Breakdown Voltage Conditions TA=25˚C, IR=1 mA LM136-5.0/LM236-5.0/LM336-5.0 LM136A-5.0/LM236A-5.0, LM336B-5.0 Reverse Breakdown Change With Current Reverse Dynamic Impedance Temperature Stability (Note 4) TA=25˚C, 600 µA≤IR≤10 mA TA=25˚C, IR=1 mA, f = 100 Hz VR Adjusted 5.00V IR=1 mA, (Figure 2) 0˚C≤TA≤70˚C (LM336-5.0) −25˚C≤TA≤+85˚C (LM236-5.0) −55˚C≤TA≤+125˚C (LM136-5.0) Reverse Breakdown Change With Current Adjustment Range Reverse Dynamic Impedance Long Term Stability Circuit of Figure 1 IR = 1 mA TA=25˚C ± 0.1˚C, IR=1 mA, t = 1000 hrs 600 µA≤IR≤10 mA 7 20 6 18 36 17 6 24 4 12 mV mV mV mV V 2.5 Ω ppm 0.6 1.2 0.6 2 Ω 4.9 4.95 5.00 5.00 6 5.1 5.05 12 4.8 4.90 5.00 5.00 6 5.2 5.1 20 V V mV LM136-5.0/LM236-5.0 Min Typ Max LM336B-5.0 LM336-5.0 Min Typ Max Units ±1 0.8 20 1.6 ±1 0.8 20 Note 1: Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Electrical specifications do not apply when operating the device beyond its specified operating conditions. Note 2: For elevated temperature operation, Tj max is: LM136 LM236 LM336 150˚C 125˚C 100˚C Thermal Resistance θja (Junction to Ambient) TO-92 180˚C/W (0.4" Leads) 170˚C/W (0.125" Leads) TO-46 SO-8 440˚C/W 165˚C/W θja (Junction to Case) N/A 80˚C/W N/A Note 3: Unless otherwise specified, the LM136-5.0 is specified from −55˚C≤TA≤+125˚C, the LM236-5.0 from −25˚C≤TA≤+85˚C and the LM336-5.0 from 0˚C≤TA≤+70˚C. Note 4: Temperature stability for the LM336 and LM236 family is guaranteed by design. Design limits are guaranteed (but not 100% percent production tested) over the indicated temperature and supply voltage ranges. These limits are not used to calculate outgoing quality levels. Stability is defined as the maximum charge in VREF from 25˚C to TA(min) or TA(max). 3 www.national.com LM136-5.0/LM236-5.0/LM336-5.0 Typical Performance Characteristics Reverse Voltage Change Zener Noise Voltage 00571617 00571618 Dynamic Impedance Response Time 00571619 00571620 Reverse Characteristics Temperature Drift 00571621 00571622 www.national.com 4 LM136-5.0/LM236-5.0/LM336-5.0 Typical Performance Characteristics Forward Characteristics (Continued) 00571623 Application Hints The LM136-5.0 series voltage references are much easier to use than ordinary zener diodes. Their low impedance and wide operating current range simplify biasing in almost any circuit. Further, either the breakdown voltage or the temperature coefficient can be adjusted to optimize circuit performance. Figure 1 shows an LM136-5.0 with a 10k potentiometer for adjusting the reverse breakdown voltage. With the addition of R1 the breakdown voltage can be adjusted without affecting the temperature coefficient of the device. The adjustment range is usually sufficient to adjust for both the initial device tolerance and inaccuracies in buffer circuitry. If minimum temperature coefficient is desired, four diodes can be added in series with the adjustment potentiometer as shown in Figure 2. When the device is adjusted to 5.00V the temperature coefficient is minimized. Almost any silicon signal diode can be used for this purpose such as a 1N914, 1N4148 or a 1N457. For proper temperature compensation the diodes should be in the same thermal environment as the LM136-5.0. It is usually sufficient to mount the diodes near the LM136-5.0 on the printed circuit board. The absolute resistance of the network is not critical and any value from 2k to 20k will work. Because of the wide adjustment range, fixed resistors should be connected in series with the pot to make pot setting less critical. 00571610 FIGURE 2. Temperature Coefficient Adjustment (Trim Range = ± 0.5V Typical) 00571609 FIGURE 1. LM136-5.0 with Pot for Adjustment of Breakdown Voltage (Trim Range = ± 1.0V Typical) 5 www.national.com LM136-5.0/LM236-5.0/LM336-5.0 Typical Applications Precision Power Regulator with Low Temperature Coefficient 00571611 * Adjust for 6.25V across R1 5V Crowbar 00571612 Adjustable Shunt Regulator 00571613 www.national.com 6 LM136-5.0/LM236-5.0/LM336-5.0 Typical Applications (Continued) Linear Ohmmeter 00571614 Op Amp with Output Clamped 00571624 7 www.national.com LM136-5.0/LM236-5.0/LM336-5.0 Typical Applications (Continued) Bipolar Output Reference 00571625 5.0V Square Wave Calibrator 00571626 10V Buffered Reference 00571627 www.national.com 8 LM136-5.0/LM236-5.0/LM336-5.0 Typical Applications (Continued) Low Noise Buffered Reference 00571628 Wide Input Range Reference 00571629 9 www.national.com LM136-5.0/LM236-5.0/LM336-5.0 Schematic Diagram 00571616 www.national.com 10 LM136-5.0/LM236-5.0/LM336-5.0 Physical Dimensions unless otherwise noted inches (millimeters) TO-46 Metal Can Package (H) Order Number LM136H-5.0, LM136H-5.0/883, LM236H-5.0, LM136AH-5.0, LM136AH-5.0/883 or LM236AH-5.0 NS Package Number H03H Small Outline (SO-8) Package Order Number LM336M-5.0 or LM336BM-5.0 NS Package Number M08A 11 www.national.com LM136-5.0/LM236-5.0/LM336-5.0 5.0V Reference Diode Physical Dimensions inches (millimeters) unless otherwise noted (Continued) Plastic Package (Z) Order Number LM336Z-5.0 or LM336BZ-5.0 NS Package Number Z03A LIFE SUPPORT POLICY NATIONAL’S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT AND GENERAL COUNSEL OF NATIONAL SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury to the user. National Semiconductor Americas Customer Support Center Email: new.feedback@nsc.com Tel: 1-800-272-9959 www.national.com National Semiconductor Europe Customer Support Center Fax: +49 (0) 180-530 85 86 Email: europe.support@nsc.com Deutsch Tel: +49 (0) 69 9508 6208 English Tel: +44 (0) 870 24 0 2171 Français Tel: +33 (0) 1 41 91 8790 2. A critical component is any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. National Semiconductor Asia Pacific Customer Support Center Email: ap.support@nsc.com National Semiconductor Japan Customer Support Center Fax: 81-3-5639-7507 Email: jpn.feedback@nsc.com Tel: 81-3-5639-7560 National does not assume any responsibility for use of any circuitry described, no circuit patent licenses are implied and National reserves the right at any time without notice to change said circuitry and specifications.
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