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Texas Instruments LM9036QM-3.3/NOPB
- Part No.:
- LM9036QM-3.3/NOPB
- Manufacturer:
- Texas Instruments
- Package:
- 8-SOIC (0.154", 3.90mm Width)
- Datasheet:
-
LM9036QM-3.3/NOPB.pdf
- Description:
- IC REG LINEAR 3.3V 50MA 8SOIC
- Quantity:
- Payment:
- Shipping:
Inventory:3,230
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Product details
Overview
LM9036QM-3.3/NOPB from Texas Instruments is an AEC-Q100 Grade 1 qualified ultra-low quiescent current linear voltage regulator delivering a fixed 3.3V output at up to 50mA, with ≤25µA ground pin current at 0.1mA load and 200mV typical dropout at full load - designed for automotive body electronics, battery-backed sensors, and always-on microcontroller power rails.
For engineers reviewing the LM9036QM-3.3/NOPB datasheet, LM9036QM-3.3/NOPB pinout, LM9036QM-3.3/NOPB application, or LM9036QM-3.3/NOPB equivalent, key selection criteria include its −45V reverse transient protection, 40V maximum operating input voltage, ±5% output tolerance over −40°C to +125°C, and SOIC-8 package compatibility with automotive thermal and reliability requirements.
Technical Context
The LM9036QM-3.3/NOPB uses a PNP pass transistor architecture enabling low-dropout operation while maintaining regulation down to 5.5V input, with internal short-circuit current limiting (65–250mA) and thermal shutdown triggered at ~150°C junction temperature. Its ground pin current remains stable across line, load, and temperature - critical for battery lifetime in infrequent-wake systems.
It features −45V reverse-battery protection and survives input transients up to +55V, but continuous operation above 40V is prohibited due to safe-operating-area constraints. Ripple rejection is −40dB to −60dB at 120Hz, and stability requires 22–33µF output capacitance with 0.3–8Ω ESR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3V ±5% over −40°C to +125°C, 0.1–50mA load, and 5.5–40V input - ensures stable MCU core/logic rail under automotive thermal and supply variation. |
| Quiescent Current | ≤25µA at 0.1mA load - enables >10-year battery life in low-duty-cycle sensor nodes powered by coin cells or small Li-ion packs. |
| Dropout Voltage | 200mV typical at 50mA - allows regulation from 3.5V input, supporting start-stop engine scenarios where battery dips to 6–7V nominal. |
| Input Voltage Range | Operational: 5.5V to 40V; Survival: −45V to +55V - covers cold-crank, load-dump, and reverse-battery fault conditions per ISO 7637-2. |
| Thermal Protection | Internal shutdown at ~150°C junction - prevents permanent damage during sustained overload or poor PCB heatsinking in enclosed modules. |
| Package | SOIC-8 (D0008A), RoHS-compliant, MSL Level-1 - supports standard automated assembly and meets automotive reflow profile requirements. |
| Stability Requirement | 22–33µF output capacitor with 0.3–8Ω ESR - mandates low-ESR tantalum or polymer capacitors; ceramic-only designs require external ESR or damping. |
Pinout & Package
LM9036QM-3.3/NOPB is housed in an 8-pin SOIC (D0008A) package with exposed pad not electrically connected. The package measures 4.9mm × 3.9mm × 1.75mm and is rated for −40°C to +125°C ambient operation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input voltage supply | Accepts 5.5V–40V DC input; must be decoupled near pin with ≥1µF ceramic capacitor to suppress high-frequency noise. |
| 2 (GND) | Ground reference | Low-impedance return path for load and regulator bias; connects to PCB ground plane for thermal and noise control. |
| 3 (OUT) | Regulated output | Delivers 3.3V ±5% to load; requires 22–33µF output capacitor with specified ESR placed adjacent to this pin. |
| 4 (GND) | Ground reference | Second ground terminal - internally tied to Pin 2; improves thermal conduction and reduces ground loop impedance. |
| 5 (GND) | Ground reference | Third ground terminal - internally tied to Pins 2 and 4; enhances thermal dissipation and noise immunity in high-noise environments. |
| 6 (GND) | Ground reference | Fourth ground terminal - internally tied to Pins 2, 4, and 5; provides robust grounding for automotive EMI resilience. |
| 7 (GND) | Ground reference | Fifth ground terminal - internally tied to all other GND pins; minimizes voltage drop under dynamic load steps. |
| 8 (GND) | Ground reference | Sixth ground terminal - completes low-inductance ground network; essential for meeting AEC-Q100 EMC test limits. |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Grade 1 qualification | Validated for −40°C to +125°C operation - enables direct use in engine bay, transmission control, and ADAS domain controllers without derating. |
| Ultra-low ground pin current | ≤25µA at 0.1mA load - eliminates need for external enable/disable circuitry in always-on wake-up circuits like CAN transceivers or RTCs. |
| −45V reverse transient protection | Withstands reverse-battery connection without external diode - reduces BOM count and PCB area in cost-sensitive automotive modules. |
| Internal thermal shutdown | ~150°C trip point with hysteresis - protects against soldering defects, miswiring, or sustained overload without requiring external thermal monitoring. |
| Short-circuit current limiting | 65–250mA foldback limit - prevents catastrophic failure during output shorts while allowing safe auto-recovery when fault clears. |
Applications
| Automotive Body Control Module (BCM) | Industrial Battery-Powered Sensor Node |
|---|---|
|
Use Scenario: Powering LIN transceivers, door lock actuators, and interior lighting drivers in BCMs with shared 12V battery rail. IC Role / Device Role / Timing Role: Primary 3.3V LDO supplying logic and interface ICs; maintains regulation during cold-crank (6.5V min) and load-dump (40V max). Use Value: Eliminates need for external reverse-protection diode and enables >15-year shelf life in sealed modules due to sub-25µA quiescent draw. |
Use Scenario: Long-life environmental monitor using LoRaWAN or NB-IoT, deployed in remote locations with primary AA/AAA alkaline or Li-SOCl₂ batteries. IC Role / Device Role / Timing Role: Always-on 3.3V supply for microcontroller, real-time clock, and analog front-end during 99.9% sleep duty cycle. Use Value: Enables >10-year field operation on two AA cells by minimizing standby current - no external enable logic or leakage-prone MOSFET switches required. |
| Automotive Telematics Control Unit (TCU) | Medical Portable Diagnostic Device |
|
Use Scenario: Providing clean 3.3V power to GPS/GNSS receivers and cellular modems in TCUs that remain partially active during vehicle sleep mode. IC Role / Device Role / Timing Role: Secondary regulated rail isolated from noisy main 5V domain; rejects ripple from switching DC/DC converters feeding RF sections. Use Value: −40dB to −60dB PSRR at 120Hz suppresses alternator ripple, ensuring GNSS signal integrity and modem data-link stability. |
Use Scenario: Powering low-power ECG front-end, flash memory, and Bluetooth LE radio in handheld diagnostic tools used intermittently over multi-year service life. IC Role / Device Role / Timing Role: Precision 3.3V reference source for ADCs and digital logic; maintains ±5% accuracy across temperature and battery discharge curve. Use Value: Stable output tolerance eliminates need for software calibration compensation, reducing firmware complexity and validation effort. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar ultra-low-quiescent-current LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLD1120-33V | Higher quiescent current (35µA vs. 25µA), lower max input (28V vs. 40V), no reverse-battery protection | Lacks −45V reverse transient rating; requires external protection diode in automotive applications | Consider only for non-automotive industrial use where input stays below 28V and reverse faults are excluded. |
| MCP1703T-3302E/MB | Lower quiescent current (2.5µA), but only 200mA output, no reverse-battery or load-dump protection | Not AEC-Q100 qualified; limited to commercial-temperature industrial or consumer use | Use where ultra-low IQ dominates and automotive qualification or high-voltage transients are irrelevant. |
Compared with LM9036QM-3.3/NOPB, TLD1120-33V trades reverse-battery robustness for slightly higher IQ and lower voltage rating, while MCP1703T-3302E/MB offers dramatically lower IQ but sacrifices automotive qualification, transient protection, and thermal safety margins - making LM9036QM-3.3/NOPB the sole choice for AEC-Q100-compliant 3.3V LDOs needing integrated reverse and load-dump resilience.
Availability
LM9036QM-3.3/NOPB is available at Aetrix Electronics and suitable for automotive body electronics, industrial battery-powered sensors, and portable medical diagnostics requiring stable component supply, long-term lifecycle support, and AEC-Q100 compliance.
Supply support for LM9036QM-3.3/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 leader specializing in analog, embedded processing, and connectivity technologies, with decades of automotive-grade product development and manufacturing expertise.
The LM9036Q series was engineered specifically for automotive power management in harsh environments - delivering ultra-low IQ, reverse-battery resilience, and AEC-Q100 Grade 1 reliability for always-on subsystems.
FAQ
What is the maximum input voltage for continuous operation of the LM9036QM-3.3/NOPB?
The LM9036QM-3.3/NOPB supports continuous operation up to 40V input. Although it can survive transients up to +55V and −45V, exceeding 40V during normal operation risks violating the safe operating area of the internal PNP pass device and may cause premature failure. Designers must ensure system-level clamping or filtering limits operational input to ≤40V.
Does the LM9036QM-3.3/NOPB require an external capacitor on the output pin?
Yes, the LM9036QM-3.3/NOPB requires a 22–33µF output capacitor with 0.3–8Ω effective series resistance (ESR) for stability. Ceramic capacitors alone typically have insufficient ESR and may cause oscillation unless damped externally. Tantalum or polymer capacitors meeting the ESR range are recommended and must be placed adjacent to the OUT and GND pins.
Is the LM9036QM-3.3/NOPB pin-compatible with other variants in the LM9036Q family?
Yes, the LM9036QM-3.3/NOPB shares identical SOIC-8 (D0008A) pinout and footprint with LM9036QM-5.0/NOPB and all other SOIC-packaged LM9036Q variants. This allows board-level voltage rail flexibility - for example, swapping 3.3V and 5.0V versions without layout changes - provided input/output capacitor values are updated per datasheet recommendations.
How does the LM9036QM-3.3/NOPB handle reverse-battery conditions?
The LM9036QM-3.3/NOPB integrates −45V reverse-battery protection, meaning it withstands direct connection of battery terminals in reverse polarity without damage or excessive current draw. This eliminates the need for an external series Schottky diode in automotive applications, reducing voltage drop, heat generation, and BOM cost - a key differentiator versus standard LDOs.
What is the guaranteed output voltage tolerance of the LM9036QM-3.3/NOPB over temperature and load?
The LM9036QM-3.3/NOPB guarantees ±5% output voltage tolerance across the full operating range: −40°C to +125°C junction temperature, 0.1mA to 50mA load current, and 5.5V to 40V input voltage. This is verified per AEC-Q100 stress testing and applies to every unit shipped - ensuring consistent performance in automotive and industrial deployments without post-manufacturing calibration.
LM9036QM-3.3/NOPB Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Texas Instruments
- Series:
- -
- Package/Case:
- 8-SOIC (0.154", 3.90mm Width)
- Packaging:
- Tube
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 40V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.40V @ 50mA
- Current - Output:
- 50mA
- Current - Quiescent (Iq):
- 20 µA
- Current - Supply (Max):
- 2 mA
- PSRR:
- 60dB (120Hz)
- Control Features:
- -
- Protection Features:
- Over Temperature, Reverse Polarity, Short Circuit
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 8-SOIC
LM9036QM-3.3/NOPB FAQ
1.How can I place an order for LM9036QM-3.3/NOPB through Aetrix?
Please submit a Request for Quotation (RFQ) for LM9036QM-3.3/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 LM9036QM-3.3/NOPB reliable?
The price and inventory of LM9036QM-3.3/NOPB are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LM9036QM-3.3/NOPB is usually 5 days.
3.What payment methods are accepted for LM9036QM-3.3/NOPB?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LM9036QM-3.3/NOPB transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LM9036QM-3.3/NOPB?
LM9036QM-3.3/NOPB orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LM9036QM-3.3/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 LM9036QM-3.3/NOPB?
For technical support, including LM9036QM-3.3/NOPB datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LM9036QM-3.3/NOPB requirements.
6.How does Aetrix verify that LM9036QM-3.3/NOPB is sourced from the original manufacturer or authorized distributors?
All LM9036QM-3.3/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 LM9036QM-3.3/NOPB meets industry standards.
7.What is the process for return or replacement of LM9036QM-3.3/NOPB?
All LM9036QM-3.3/NOPB units undergo pre-shipment inspection (PSI). If there is an issue with LM9036QM-3.3/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 LM9036QM-3.3/NOPB part is unused and in its original packaging.
Return procedure for LM9036QM-3.3/NOPB:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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