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onsemi NCV8535MN350R2G
- Part No.:
- NCV8535MN350R2G
- Manufacturer:
- onsemi
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
NCV8535MN350R2G.pdf
- Description:
- IC REG LINEAR 3.5V 500MA 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,000
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Product details
Overview
NCV8535MN350R2G from onsemi is an automotive-grade, ultra-high-accuracy low-dropout linear regulator delivering a fixed 3.5 V output at up to 500 mA. It features ±0.9% output voltage accuracy over line/load/temperature, 340 mV dropout at full load, and ultra-low 9.0 mA ground current at 500 mA load - optimized for DSP supply, camera modules, and automotive infotainment systems.
For engineers reviewing the NCV8535MN350R2G datasheet, pinout, applications, or equivalent options, key selection criteria include its AEC-Q100 qualification, reverse bias protection, noise reduction (NR) pin support, stability with 1.0 µF MLCC output capacitors, and shutdown current of only 0.07 µA.
Technical Context
The NCV8535MN350R2G implements a precision bandgap reference and error amplifier driving a PMOS pass transistor, enabling high accuracy without minimum load requirements. Its internal architecture supports stable operation across input voltages from 2.9 V to 12 V and junction temperatures from −40 °C to +150 °C.
It integrates dedicated SENSE and NR pins: SENSE enables remote voltage sensing for improved load regulation, while NR accepts an external 10 nF capacitor to reduce output noise to 47 µVRMS. Thermal shutdown and current limiting provide robust fault protection.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.5 V ±0.9% at 25 °C; ±1.5% over −40 °C to +125 °C - ensures stable core voltage for automotive microcontrollers. |
| Dropout Voltage | 340 mV typical at 500 mA load - enables operation with minimal headroom, e.g., from a 3.9 V input rail. |
| Ground Current | 9.0 mA at 500 mA load - minimizes quiescent power loss in always-on vehicle subsystems. |
| Output Noise | 47 µVRMS with 10 nF CNR - meets low-noise requirements for analog sensor interfaces and audio codecs. |
| Shutdown Current | 0.07 µA - supports ultra-low-power sleep modes in telematics and ADAS modules. |
| Input Voltage Range | 2.9 V to 12 V - compatible with automotive battery transients and 5 V/3.3 V intermediate rails. |
| Stability | Guaranteed with ≥1.0 µF output capacitance, any dielectric (including MLCC) - eliminates need for large tantalum or electrolytic caps. |
Pinout & Package
NCV8535MN350R2G is housed in a thermally enhanced DFNW10 (Case 507AM) package with exposed thermal pad (EPAD) for PCB heat sinking. The 10-pin layout supports high-current delivery and low-noise performance in compact automotive layouts.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | Vout | Regulated 3.5 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 reference; must be connected to EPAD and system ground plane. |
| 5, 6 | NC | No-connect pins; leave unconnected and unbonded per datasheet. |
| 7 | NR | Noise reduction terminal; connect 10 nF capacitor to GND to lower output noise by ~20 µVRMS. |
| 8 | SD | Active-low shutdown control; drive <0.4 V to disable regulator (IQ = 0.07 µA). |
| 9, 10 | Vin | Input supply (2.9–12 V); requires local 1.0 µF ceramic decoupling near pins. |
| EPAD | Thermal Pad | Exposed copper pad; must be soldered to solid GND copper area for thermal dissipation (θJL2 = 17 °C/W). |
Key Features
| Feature | Design Value |
|---|---|
| AEC-Q100 Qualified | Grade 1 (−40 °C to +125 °C) qualification with PPAP capability - suitable for engine bay and dashboard ECUs. |
| No Minimum Load Required | Stable down to 0 mA output current - eliminates need for wasteful bleed resistors in low-power states. |
| Reverse Bias Protection | Blocks reverse current flow from Vout to Vin when Vin = 0 V - prevents battery drain in disconnected scenarios. |
| Ultra-Low Shutdown Current | 0.07 µA shutdown IQ - extends battery life in parked-mode vehicle systems (e.g., alarm, GPS tracking). |
| MLCC-Compatible Stability | Stable with 1.0 µF X7R/X5R MLCCs - enables small, reliable, high-reliability output filtering without aging or DC bias issues. |
Applications
| Automotive Infotainment | DSP Power Supply |
|---|---|
|
Use Scenario: Powering audio DSPs and video processors in head units with tight thermal constraints and battery voltage fluctuations. IC Role / Device Role / Timing Role: Primary 3.5 V LDO supplying core logic and I/O rails for multi-core DSPs requiring low noise and high accuracy. Use Value: ±0.9% accuracy maintains timing margin for high-speed serial interfaces (e.g., I²S, SPI), while 47 µVRMS noise avoids audible artifacts in audio paths. |
Use Scenario: Providing clean, regulated 3.5 V to digital signal processors in advanced driver-assistance systems (ADAS) cameras. IC Role / Device Role / Timing Role: Low-noise, high-PSRR LDO delivering stable voltage to DSP analog front-ends and ADC reference circuits. Use Value: NR pin support reduces broadband noise by >30%, improving SNR in image signal processing pipelines under EMI-rich vehicle environments. |
| Camera Module Power | Telematics Control Unit |
|
Use Scenario: Powering CMOS image sensors and ISP SoCs in rear-view and surround-view camera modules. IC Role / Device Role / Timing Role: Fixed-output LDO with SENSE pin compensating for PCB trace resistance between regulator and sensor IC. Use Value: Remote sensing maintains ±1.5% regulation at the load point despite 100 mΩ board resistance - critical for consistent image quality. |
Use Scenario: Supplying always-on 3.5 V rail for GNSS receivers and cellular modems in vehicle telematics gateways. IC Role / Device Role / Timing Role: Ultra-low-IQ LDO enabling <1 µA system sleep current when modem is idle but GPS remains active. Use Value: 0.07 µA shutdown current allows >10-year battery backup for real-time clock and position logging during vehicle storage. |
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. | Suitable where system requires 3.3 V instead of 3.5 V - no PCB change needed if voltage tolerance permits. | Select when target SoC or peripheral specifies 3.3 V nominal supply with ≤±5% tolerance. |
| TLV73333PDRVR | 3.3 V fixed output, 300 mA rating, 220 mV dropout, 50 µA IQ; DFN-6 package, different pin count and layout. | Lacks SENSE, NR, and reverse bias protection; not AEC-Q100 qualified. | Use only in non-automotive, cost-sensitive consumer applications where 300 mA and basic regulation suffice. |
Compared with NCV8535MN350R2G, the NCV8535MN330R2G offers identical automotive reliability and feature set at 3.3 V, while the TLV73333PDRVR trades qualification, protection, and noise performance for lower cost and smaller footprint in non-critical designs.
Availability
NCV8535MN350R2G is available at Aetrix Electronics and suitable for automotive infotainment, ADAS camera modules, telematics control units, and industrial embedded controllers requiring stable component supply across extended temperature ranges and long product lifecycles.
Supply support for NCV8535MN350R2G 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 for automotive, industrial, cloud, and IoT applications, with deep expertise in power management and automotive-grade reliability.
The NCV8535 series was designed specifically for automotive subsystems demanding high accuracy, ultra-low quiescent current, and robust fault protection - targeting infotainment, ADAS, body electronics, and gateway modules.
FAQ
What is the output voltage tolerance of the NCV8535MN350R2G over temperature?
The NCV8535MN350R2G delivers ±1.5% output voltage accuracy over the full operating junction temperature range of −40 °C to +125 °C, as specified in the Electrical Characteristics table for the 3.5 V version. This ensures reliable operation in under-hood and dashboard environments where ambient extremes occur.
Does the NCV8535MN350R2G require an external capacitor on the NR pin?
The NR pin on the NCV8535MN350R2G is optional: connecting a 10 nF capacitor to GND reduces output noise from 68 µVRMS to 47 µVRMS. If low-noise performance is not required, the NR pin may be left unconnected or tied to GND - no mandatory external component is needed for basic operation.
Can the NCV8535MN350R2G operate with a 1.0 µF MLCC output capacitor?
Yes - the NCV8535MN350R2G is explicitly guaranteed stable with any capacitor ≥1.0 µF, including X7R and X5R MLCCs. This eliminates dependency on larger, less reliable tantalum or aluminum electrolytic capacitors and simplifies layout in space-constrained automotive modules.
What protection features does the NCV8535MN350R2G include?
The NCV8535MN350R2G integrates thermal shutdown (160 °C), current limiting, reverse bias protection (blocks reverse current when Vin = 0 V), and safe operation across input transients up to 16 V. These features ensure robustness in automotive 12 V battery environments with load dump and cold crank conditions.
Is the NCV8535MN350R2G pin-compatible with other variants in the NCV8535 family?
Yes - all fixed-output variants of the NCV8535 (e.g., NCV8535MN330R2G, NCV8535MN500R2G) share identical DFNW10 pinout, package dimensions, and thermal pad layout. Only the output voltage differs; no PCB redesign is required when switching between fixed-voltage versions of the same package.
NCV8535MN350R2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 12V
- Voltage - Output (Min/Fixed):
- 3.5V
- 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)
NCV8535MN350R2G FAQ
1.How can I place an order for NCV8535MN350R2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV8535MN350R2G 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 NCV8535MN350R2G reliable?
The price and inventory of NCV8535MN350R2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV8535MN350R2G is usually 5 days.
3.What payment methods are accepted for NCV8535MN350R2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV8535MN350R2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCV8535MN350R2G?
NCV8535MN350R2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV8535MN350R2G 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 NCV8535MN350R2G?
For technical support, including NCV8535MN350R2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV8535MN350R2G requirements.
6.How does Aetrix verify that NCV8535MN350R2G is sourced from the original manufacturer or authorized distributors?
All NCV8535MN350R2G 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 NCV8535MN350R2G meets industry standards.
7.What is the process for return or replacement of NCV8535MN350R2G?
All NCV8535MN350R2G units undergo pre-shipment inspection (PSI). If there is an issue with NCV8535MN350R2G, 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 NCV8535MN350R2G part is unused and in its original packaging.
Return procedure for NCV8535MN350R2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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