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onsemi NCV8535MN300R2G
- Part No.:
- NCV8535MN300R2G
- Manufacturer:
- onsemi
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
NCV8535MN300R2G.pdf
- Description:
- IC REG LINEAR 3V 500MA 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,453
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Product details
Overview
NCV8535MN300R2G from onsemi is an automotive-grade, ultra-high-accuracy low-dropout linear regulator delivering 3.0 V fixed output at up to 500 mA. It features ±0.9% output accuracy over line/load/temperature, 260 mV typical dropout at full load, and reverse bias protection. Designed for DSP supply and display power rails in automotive infotainment systems, it operates from 2.9 V to 12 V input and stabilizes with any 1.0 µF capacitor-including MLCCs.
For engineers reviewing the NCV8535MN300R2G datasheet, pinout, applications, or equivalent options, key selection criteria include its AEC-Q100 qualification, ultra-low 37 µVrms noise (with CNR), 0.07 µA shutdown current, and stability without minimum load-critical for battery-powered automotive subsystems requiring high PSRR and low quiescent current.
Technical Context
The NCV8535MN300R2G implements a PMOS pass transistor architecture enabling ultra-low dropout and reverse bias protection. Its internal reference is trimmed to ±0.9% at 25 °C and maintains ±1.5% accuracy across −40 °C to +125 °C, supporting automotive under-hood operation.
It integrates dedicated SENSE and NR pins: SENSE enables remote voltage sensing for improved load regulation, while NR accepts a 10 nF capacitor to reduce output noise by >30% (e.g., 37 µVrms → 26 µVrms). Shutdown control is active-low with 0.4 V turn-off threshold and 2.0 V turn-on threshold.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±0.9% at 25 °C; ±1.5% over −40 °C to +125 °C - ensures stable core logic supply under thermal stress |
| Max Output Current | 500 mA continuous, 800 mA peak - supports moderate-power DSPs and display drivers without thermal derating |
| Dropout Voltage | 340 mV typ. at 500 mA - enables operation with only 3.34 V input for 3.0 V output, critical for 3.3 V rail post-regulation |
| Ground Current | 9.0 mA at 500 mA load; 0.07 µA in shutdown - minimizes battery drain in always-on automotive modules |
| Output Noise | 37 µVrms (10 Hz–100 kHz) with 10 nF CNR - meets stringent analog/RF supply requirements in infotainment audio paths |
| Input Voltage Range | 2.9 V to 12 V - compatible with automotive 12 V battery (including cold-crank down to ~6 V) and 3.3 V intermediate rails |
| Thermal Shutdown | 160 °C junction - protects against sustained overload in sealed enclosures without external thermal monitoring |
Pinout & Package
NCV8535MN300R2G uses the DFNW10 (Case 507AM) 3×3 mm wettable flank package with exposed thermal pad (EPAD) for enhanced thermal dissipation. The package is Pb-free and RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | VOUT | Regulated 3.0 V output; requires ≥1.0 µF bypass capacitor to GND for stability |
| 3 | SENSE | Remote sense input; connect directly to load-side VOUT to compensate for PCB trace IR drop |
| 4 | GND | Power ground; must be connected to EPAD for optimal thermal and electrical performance |
| 5, 6 | NC | No-connect; no internal connection - leave unconnected or tie to GND per layout best practice |
| 7 | NR | Noise reduction; connect 10 nF capacitor to GND to lower output noise by ~30% |
| 8 | SD | Active-low shutdown; drive ≤0.4 V to disable regulator (IQ = 0.07 µA); tie to VIN if unused |
| 9, 10 | VIN | Input supply (2.9–12 V); requires ≥1.0 µF input capacitor close to pins 9/10 |
| EPAD | Thermal Pad | Exposed copper pad; must be soldered to large GND plane for thermal management and EMI reduction |
Key Features
| Feature | Design Value |
|---|---|
| No minimum load requirement | Stable down to 0 mA output - eliminates need for dummy loads in low-power sleep modes |
| Capacitor flexibility | Stable with any 1.0 µF capacitor type (MLCC, tantalum, aluminum polymer) - reduces BOM count and cost |
| Reverse bias protection | Blocks reverse current flow when VOUT > VIN (up to 7 V differential) - prevents backfeeding in multi-rail systems |
| AEC-Q100 qualified | Grade 1 (−40 °C to +125 °C) qualification with PPAP capability - meets automotive functional safety requirements |
| Low-noise architecture | 37 µVrms output noise (10 Hz–100 kHz) with NR pin - suitable for powering ADC references and RF synthesizers |
Applications
| Automotive Infotainment Display Power | DSP Core Supply in Telematics Units |
|---|---|
|
Use Scenario: Powering LCD backlight drivers and timing controllers in automotive head units operating across −40 °C to +105 °C ambient. IC Role / Device Role / Timing Role: Primary 3.0 V LDO providing clean, regulated voltage to display interface ICs with tight ripple tolerance. Use Value: ±0.9% accuracy and 37 µVrms noise ensure consistent gamma correction and eliminate visible screen flicker during thermal cycling. |
Use Scenario: Supplying the 3.0 V I/O domain of automotive-grade DSPs (e.g., TI TMS320F2837x) in telematics control units. IC Role / Device Role / Timing Role: Low-noise, high-PSRR post-regulator for DSP I/O banks, decoupling from noisy 3.3 V system rails. Use Value: 340 mV dropout allows operation during cold-crank events where 3.3 V rail dips to 3.34 V, maintaining DSP functionality. |
| Camera Module Power in ADAS | USB-C PD Sink Controller Bias |
|
Use Scenario: Biasing image signal processors (ISPs) and MIPI CSI-2 transceivers in rear-view and surround-view cameras. IC Role / Device Role / Timing Role: Fixed 3.0 V LDO delivering low-noise power to analog front-end circuitry and PLLs. Use Value: Remote SENSE pin compensates for voltage drop across flex cable, ensuring precise 3.0 V at ISP die despite 100 mΩ trace resistance. |
Use Scenario: Providing 3.0 V bias to USB-C PD sink controller ICs (e.g., STUSB4500) in automotive docking stations. IC Role / Device Role / Timing Role: Always-on auxiliary LDO enabling fast PD negotiation while main system is in deep sleep. Use Value: 0.07 µA shutdown current extends battery backup runtime beyond 10 years in maintenance-free installations. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NCV8535MN330R2G | Fixed 3.3 V output; identical package, pinout, and specs except VOUT | Used where 3.3 V logic interfaces dominate (e.g., MCU peripherals, SPI flash) | Select when system requires 3.3 V instead of 3.0 V; no layout change needed |
| TLV73330PDBVR | 300 mA rated, 250 mV dropout at 300 mA, no SENSE/NR pins, non-automotive grade | Suitable for cost-sensitive industrial or consumer portable devices, not AEC-Q100 environments | Choose for non-automotive designs prioritizing footprint size over automotive qualification and noise performance |
Compared with NCV8535MN300R2G, the NCV8535MN330R2G offers identical automotive reliability and noise performance at 3.3 V, while the TLV73330PDBVR trades AEC-Q100 compliance and advanced features for lower cost and smaller size in non-automotive applications.
Availability
NCV8535MN300R2G is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera modules, and telematics units requiring stable component supply with full AEC-Q100 traceability and long-term lifecycle support.
Supply support for NCV8535MN300R2G 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
onsemi is a global semiconductor leader focused on energy-efficient innovation, with core expertise in automotive, industrial, cloud, and IoT power management solutions.
The NCV8535 series is part of onsemi's automotive-qualified power management portfolio, designed specifically for high-reliability, low-noise, and thermally robust voltage regulation in harsh automotive environments.
FAQ
What is the maximum input voltage rating for the NCV8535MN300R2G?
The NCV8535MN300R2G has an absolute maximum input voltage rating of +16 V. However, its recommended operating range is 2.9 V to 12 V per the datasheet. Operation above 12 V is not guaranteed for parametric performance or lifetime reliability, and sustained exposure may trigger thermal shutdown or degrade long-term stability.
Does the NCV8535MN300R2G require an external capacitor on the SENSE pin?
No, the NCV8535MN300R2G does not require an external capacitor on the SENSE pin. Pin 3 (SENSE) is a high-impedance input intended for direct connection to the load-side VOUT node to compensate for PCB trace resistance. Adding capacitance here would destabilize the feedback loop and is not supported by the design.
Can the NCV8535MN300R2G be used without connecting the NR pin?
Yes, the NCV8535MN300R2G functions fully without the NR pin connected. When left floating or tied to GND, the device delivers 56 µVrms output noise (typical). To achieve the lowest noise (37 µVrms), a 10 nF capacitor must be placed between NR and GND - but omission does not affect regulation or stability.
Is the NCV8535MN300R2G pin-compatible with other variants in the NCV8535 family?
Yes, all fixed-output variants of the NCV8535 (e.g., NCV8535MN150R2G, NCV8535MN330R2G) share identical DFNW10 pinout, package dimensions, and thermal pad layout. Only the output voltage differs - allowing drop-in replacement across 1.5 V to 5.0 V versions without PCB revision.
What is the thermal resistance (θJA) of the NCV8535MN300R2G on a standard PCB?
On a 35 × 35 × 1.5 mm FR4 board with 2 oz copper and single-layer heat spreading, the NCV8535MN300R2G exhibits θJA = 66 °C/W (JEDEC Std. High-Conductivity Board). This value assumes proper EPAD soldering to the GND plane; inadequate thermal land area increases junction temperature significantly under 500 mA load.
NCV8535MN300R2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 12V
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.34V @ 500mA
- Current - Output:
- 500mA
- Current - Quiescent (Iq):
- 190 µA
- Current - Supply (Max):
- 14 mA
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-DFN (3x3)
NCV8535MN300R2G FAQ
1.How can I place an order for NCV8535MN300R2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV8535MN300R2G 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 NCV8535MN300R2G reliable?
The price and inventory of NCV8535MN300R2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV8535MN300R2G is usually 5 days.
3.What payment methods are accepted for NCV8535MN300R2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV8535MN300R2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV8535MN300R2G?
NCV8535MN300R2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV8535MN300R2G 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 NCV8535MN300R2G?
For technical support, including NCV8535MN300R2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV8535MN300R2G requirements.
6.How does Aetrix verify that NCV8535MN300R2G is sourced from the original manufacturer or authorized distributors?
All NCV8535MN300R2G 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 NCV8535MN300R2G meets industry standards.
7.What is the process for return or replacement of NCV8535MN300R2G?
All NCV8535MN300R2G units undergo pre-shipment inspection (PSI). If there is an issue with NCV8535MN300R2G, 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 NCV8535MN300R2G part is unused and in its original packaging.
Return procedure for NCV8535MN300R2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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