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Texas Instruments LM336Z-5.0/NOPB
- Part No.:
- LM336Z-5.0/NOPB
- Manufacturer:
- Texas Instruments
- Category:
- Voltage Reference
- Package:
- TO-226-3, TO-92-3 (TO-226AA)
- Datasheet:
-
LM336Z-5.0/NOPB.pdf
- Description:
- IC VREF SHUNT 2% TO92-3
- Quantity:
- Payment:
- Shipping:
Inventory:1,925
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Product details
Overview
LM336Z-5.0/NOPB from Texas Instruments is a precision 5.0V shunt voltage reference diode in TO-92 package, operating as a low-temperature-coefficient zener with 0.6Ω dynamic impedance, ±1% initial tolerance, and specified temperature stability over 0°C to +70°C - used in digital voltmeters, power supply references, and op amp biasing circuits.
For engineers reviewing the LM336Z-5.0/NOPB datasheet, LM336Z-5.0/NOPB pinout, LM336Z-5.0/NOPB application, or LM336Z-5.0/NOPB equivalent, key selection considerations include its 600 μA–10 mA operating current range, trimmable voltage (±1 V), low dynamic impedance, and commercial-temperature-rated TO-92 packaging for cost-sensitive analog reference designs.
Technical Context
The LM336Z-5.0/NOPB functions as a two-terminal shunt regulator with third-terminal trimming capability, enabling precise adjustment of both output voltage and temperature coefficient. Its monolithic IC construction integrates zener-like breakdown behavior with improved regulation over discrete zeners.
It operates across 600 μA to 10 mA reverse current, delivering stable 5.00 V at 1 mA with ≤12 mV temperature-induced drift over 0°C to +70°C and ≤24 mV total variation across full current range - making it suitable for unregulated input environments where low-cost, fixed-voltage referencing is required.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Reference Voltage | 5.00 V nominal at 1 mA; tight 4.8–5.2 V min/max range ensures accurate ADC/DAC biasing and calibration. |
| Initial Tolerance | ±1% at 25°C; enables single-point calibration in production test without trimming for many mid-precision applications. |
| Operating Current | 600 μA to 10 mA; supports low-power sensor interfaces and high-current buffer stages without external current limiting. |
| Dynamic Impedance | 0.6 Ω typical at 1 mA; minimizes output voltage shift under load transients, critical for stable feedback references. |
| Temp Stability | ≤12 mV over 0°C to +70°C; guarantees <0.02%/°C drift for consistent performance in commercial-grade instrumentation. |
| Package | TO-92 (LP) plastic package; compatible with through-hole assembly, manual prototyping, and legacy PCB layouts. |
Pinout & Package
LM336Z-5.0/NOPB uses a 3-pin TO-92 plastic package (JEDEC TO-226, variation AA) with straight or formed leads. Pin 1 is cathode, Pin 2 is anode, and Pin 3 is the adjust terminal - enabling voltage and temperature coefficient trimming via external resistor networks.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| Pin 1 (Cathode) | Output reference node | Connected to regulated 5.0V output; sinks current from external source to maintain voltage regulation. |
| Pin 2 (Anode) | Return/reference ground | Common return path; ties to system ground or negative rail when used as negative reference. |
| Pin 3 (Adjust) | Trim control terminal | Enables fine-tuning of breakdown voltage (±1 V) and temperature coefficient via external potentiometer or diode network. |
Key Features
| Feature | Design Value |
|---|---|
| Adjustable reference range | 4 V to 6 V via Pin 3; accommodates board-level calibration and compensates for buffer op-amp offset errors. |
| Low temperature coefficient | Minimized drift via external diode compensation (Figure 15); achieves <10 ppm/°C effective TC when trimmed. |
| Wide operating current | 600 μA–10 mA range allows direct use with high-impedance dividers or low-dropout LDOs without series resistors. |
| Fast turn-on | Sub-microsecond response to current step changes; maintains regulation during power-up sequencing in mixed-signal systems. |
| Three-lead transistor package | TO-92 footprint enables hand-soldering, socketing, and compatibility with legacy test fixtures and breadboards. |
Applications
| Digital Voltmeter Reference | Op Amp Precision Biasing |
|---|---|
|
Use Scenario: Provides stable 5.0V reference for 3½-digit DVM front-end ADC conversion. IC Role / Device Role / Timing Role: Shunt voltage reference establishing absolute scale for analog-to-digital conversion. Use Value: ±1% initial tolerance and ≤12 mV temp drift ensure <0.1% full-scale accuracy without factory recalibration. |
Use Scenario: Sets precise common-mode voltage for rail-to-rail op amps in sensor signal conditioning. IC Role / Device Role / Timing Role: Low-impedance DC bias source referenced to system ground. Use Value: 0.6Ω dynamic impedance prevents gain error shift under varying load currents from op amp inputs. |
| Low-Voltage Power Supply Reference | 5V Crowbar Circuit |
|
Use Scenario: Regulates output of unregulated 7–12V wall adapters into stable 5V for microcontroller peripherals. IC Role / Device Role / Timing Role: Shunt regulator clamping excess voltage while sinking variable current. Use Value: 600 μA–10 mA operating range supports wide input ripple and load variations without dropout. |
Use Scenario: Triggers SCR-based overvoltage protection when input exceeds 5.0V by >100 mV. IC Role / Device Role / Timing Role: Precision voltage threshold detector with fast turn-on response. Use Value: Fast turn-on and low dynamic impedance ensure reliable crowbar activation before downstream IC damage. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar shunt voltage reference applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TL431ACDBVR | 3-terminal adjustable shunt regulator; 2.495V base reference, programmable to 36V; higher 0.2Ω typical impedance. | Requires external resistors for 5V setting; not drop-in - needs circuit redesign and layout change. | Preferred for designs needing higher voltage flexibility or tighter 0.5% initial tolerance; unsuitable for TO-92-only footprints. |
| LM385BZ-5.0/NOPB | 2-terminal micropower shunt reference; 5.0V, 10 μA–20 mA range, 20Ω impedance, ±0.8% tolerance. | No adjust pin; fixed output only; optimized for ultra-low-current battery-powered systems. | Select when board space or quiescent current is constrained and trimming is unnecessary; incompatible with trim-based stability optimization. |
Compared with TL431ACDBVR and LM385BZ-5.0/NOPB, the LM336Z-5.0/NOPB uniquely balances trimmability, TO-92 compatibility, and mid-range current capability - making it optimal for cost-sensitive, manually calibrated commercial instrumentation where pin 3 adjustment is leveraged for temperature drift minimization.
Availability
LM336Z-5.0/NOPB is available at Aetrix Electronics and suitable for digital voltmeters, op amp biasing circuits, and low-voltage power supply references requiring stable component supply, RoHS-compliant packaging, and commercial-temperature grade performance.
Supply support for LM336Z-5.0/NOPB includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Texas Instruments is a global semiconductor company headquartered in Dallas, Texas, specializing in analog, embedded processing, and power management ICs with broad industrial, automotive, and consumer design support.
The LM336 family was designed for precision analog reference applications in commercial-grade instrumentation and power systems - delivering zener-level simplicity with IC-grade stability and trimmability.
FAQ
What is the maximum operating temperature for LM336Z-5.0/NOPB?
The LM336Z-5.0/NOPB is rated for operation from 0°C to +70°C ambient temperature. This commercial-grade specification aligns with its TO-92 packaging and target applications such as digital voltmeters and non-military instrumentation. Exceeding +70°C may cause increased drift beyond the guaranteed 12 mV temperature stability band.
Can LM336Z-5.0/NOPB be used as a negative voltage reference?
Yes, the LM336Z-5.0/NOPB can function as a negative voltage reference by reversing its polarity: connect Pin 2 (anode) to the negative rail and Pin 1 (cathode) to the point requiring −5.0V regulation. Its shunt architecture supports bidirectional use, provided current direction and external biasing comply with absolute maximum ratings (e.g., reverse current ≤15 mA).
How is the adjust pin (Pin 3) used in LM336Z-5.0/NOPB?
Pin 3 on the LM336Z-5.0/NOPB enables trimming of both output voltage (±1 V range) and temperature coefficient. A 10 kΩ potentiometer between Pins 1 and 3 adjusts voltage; adding four series silicon diodes (e.g., 1N4148) between Pin 3 and ground minimizes temperature drift when adjusted to exactly 5.00 V - per Figure 15 in the TI datasheet SNVS750D.
What is the dynamic impedance of LM336Z-5.0/NOPB and why does it matter?
The LM336Z-5.0/NOPB has a typical dynamic impedance of 0.6 Ω at 1 mA reverse current. This low value means the output voltage changes very little under varying load conditions - critical for maintaining accuracy in ADC references or op amp bias networks where current draw fluctuates. Higher impedance would introduce measurable regulation error.
Is LM336Z-5.0/NOPB RoHS compliant?
Yes, LM336Z-5.0/NOPB is RoHS compliant, as confirmed by Texas Instruments' PACKAGE OPTION ADDENDUM (15-Jul-2026). The "/NOPB" suffix explicitly denotes lead-free, RoHS-compliant packaging with Call TI lead finish, and it ships in bulk (1800 units) with N/A MSL rating due to its TO-92 through-hole construction.
LM336Z-5.0/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Package/Case:
- TO-226-3, TO-92-3 (TO-226AA)
- Series:
- -
- Packaging:
- Bulk
- Product Status:
- Active
- Reference Type:
- Shunt
- Output Type:
- Fixed
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Current - Output:
- 10 mA
- Tolerance:
- ±2%
- Temperature Coefficient:
- -
- Noise - 0.1Hz to 10Hz:
- -
- Noise - 10Hz to 10kHz:
- -
- Voltage - Input:
- -
- Current - Supply:
- -
- Current - Cathode:
- 600 µA
- Operating Temperature:
- 0°C ~ 70°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Through Hole
- Supplier Device Package:
- TO-92-3
LM336Z-5.0/NOPB FAQ
1.How can I place an order for LM336Z-5.0/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM336Z-5.0/NOPB on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for LM336Z-5.0/NOPB reliable?
The price and inventory of LM336Z-5.0/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM336Z-5.0/NOPB is usually 5 days.
3.What payment methods are accepted for LM336Z-5.0/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM336Z-5.0/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM336Z-5.0/NOPB?
LM336Z-5.0/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM336Z-5.0/NOPB order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for LM336Z-5.0/NOPB?
For technical support, including LM336Z-5.0/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM336Z-5.0/NOPB requirements.
6.How does Aetrix verify that LM336Z-5.0/NOPB is sourced from the original manufacturer or authorized distributors?
All LM336Z-5.0/NOPB products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that LM336Z-5.0/NOPB meets industry standards.
7.What is the process for return or replacement of LM336Z-5.0/NOPB?
All LM336Z-5.0/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM336Z-5.0/NOPB, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The LM336Z-5.0/NOPB part is unused and in its original packaging.
Return procedure for LM336Z-5.0/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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