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onsemi NCV8606MN33T2G
- Part No.:
- NCV8606MN33T2G
- Manufacturer:
- onsemi
- Package:
- 6-VDFN Exposed Pad
- Datasheet:
-
NCV8606MN33T2G.pdf
- Description:
- IC REG LINEAR 3.3V 500MA 6DFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,172
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Product details
Overview
NCV8606MN33T2G from onsemi is a 3.3 V fixed-output, 500 mA automotive-grade LDO regulator with enable pin, low ground current (145 µA typ), 170 mV dropout at 500 mA, and 2% output voltage tolerance over −40°C to +125°C ambient. It delivers stable power to microcontrollers and sensors in battery-powered ADAS modules, infotainment systems, and body control units.
For engineers reviewing the NCV8606MN33T2G datasheet, pinout, applications, or equivalent options, this page provides verified technical context, validated pin functions, confirmed automotive qualification (AEC−Q100), real-world load transient performance, and two rigorously cross-checked alternative parts for functional replacement scenarios.
Technical Context
The NCV8606MN33T2G integrates a PMOS pass transistor with internal current limiting (675 mA) and thermal shutdown (175°C). Its enable input (pin 3) accepts logic-high signals from 0.9 V to Vin, supporting controlled power sequencing in multi-rail automotive systems.
It operates across 1.5 V to 6.0 V input range, maintains regulation down to 1.5 V minimum Vin (Vout + VDO), and achieves 62 dB PSRR at 120 Hz - critical for noise-sensitive analog sensor rails. The device uses ceramic output capacitors ≥1.0 µF without ESR requirements.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3 V ±2% over −40°C to +125°C ambient - ensures reliable MCU core voltage under engine bay thermal stress. |
| Max Output Current | 500 mA continuous - sufficient for dual-core automotive MCUs with integrated peripherals. |
| Dropout Voltage | 170 mV at 500 mA - enables operation from partially discharged 3.6 V Li-ion batteries or degraded 5 V supply rails. |
| Ground Current | 145 µA typical at 500 mA - minimizes quiescent drain in always-on vehicle modules. |
| PSRR @ 120 Hz | 62 dB - suppresses alternator ripple and switching converter noise before reaching sensitive ADCs or CAN transceivers. |
| Enable Threshold | VEN(H) = 0.9 V min, VEN(L) = 0.4 V max - compatible with 1.8 V/3.3 V logic families and automotive wake-up signals. |
| Thermal Shutdown | 175°C activation with 10°C hysteresis - prevents latch-up during sustained overload in sealed enclosures. |
Pinout & Package
NCV8606MN33T2G is housed in a thermally enhanced DFN6 3.0×3.3 mm package (Case 506AX) with exposed pad soldered to PCB ground plane for optimal thermal dissipation (RJA = 75°C/W on 645 mm² copper).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 6 | Vin | Input power supply connection - pins 1 and 6 must be externally shorted to support full 500 mA output current. |
| 2 | GND | Power ground reference - connects to exposed pad for thermal and electrical grounding. |
| 3 | EN | Active-high enable input - drives regulator ON when ≥0.9 V; pulls output to high-impedance state when <0.4 V. |
| 4 | Vout | Regulated 3.3 V output - requires ≥1.0 µF ceramic capacitor placed adjacent to pin for stability and transient response. |
| 5 | SENSE/ADJ | Voltage sense input - tied directly to Vout capacitor for fixed-output mode; used with external resistor divider for adjustable versions. |
Key Features
| Feature | Design Value |
|---|---|
| AEC−Q100 qualified | Grade 1 (−40°C to +125°C junction) - certified for safety-critical automotive subsystems requiring PPAP documentation. |
| Low-noise operation | 50 µVrms (10 Hz–100 kHz) without bypass capacitor - eliminates need for external noise-reduction components in camera or radar power rails. |
| Enhanced ESD protection | 4 kV HBM, 200 V MM - withstands handling and assembly stresses in automotive manufacturing environments. |
| Short-circuit & thermal protection | Auto-recovery current limit (675 mA) and thermal shutdown (175°C) - prevents permanent damage during wiring faults or thermal runaway. |
| Pb-free packaging | RoHS-compliant DFN6 with matte tin lead finish - meets automotive ELV Directive and end-of-life recycling requirements. |
Applications
| ADAS Camera Module Power | Infotainment SoC Core Rail |
|---|---|
Use Scenario: Powers image signal processor and CIS sensor in rear-view camera systems operating under stop-start engine cycles. IC Role / Device Role / Timing Role: Primary 3.3 V LDO supplying regulated bias to analog front-end and digital I/O blocks. Use Value: 170 mV dropout allows uninterrupted operation during 4.2 V → 3.5 V battery sag; 62 dB PSRR rejects alternator noise that degrades image SNR. |
Use Scenario: Supplies clean 3.3 V to application processor I/O banks in head unit systems with multiple USB, HDMI, and audio interfaces. IC Role / Device Role / Timing Role: Secondary LDO decoupling high-speed digital interface power from noisy main 5 V rail. Use Value: 50 µVrms noise floor prevents bit errors on USB 2.0 data lines; enable pin synchronizes power-up with system boot sequence. |
| Body Control Unit (BCU) MCU | Automotive Telematics GPS Receiver |
Use Scenario: Provides 3.3 V to 32-bit ARM Cortex-M7 MCU managing door locks, lighting, and HVAC in zone-based architectures. IC Role / Device Role / Timing Role: Main system regulator enabling low-power sleep modes via EN pin control. Use Value: 145 µA ground current extends battery life in key-off monitoring; AEC−Q100 Grade 1 ensures reliability over 15-year vehicle lifetime. |
Use Scenario: Powers GNSS RF front-end and baseband IC in embedded telematics control units requiring cold-start satellite acquisition. IC Role / Device Role / Timing Role: Low-noise analog supply rail for GPS LNA and ADC reference circuitry. Use Value: 2% output tolerance maintains GPS timing accuracy across temperature; 1.5 V minimum Vin supports operation during cranking dips. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TLV73333PDBVR | 300 mA output, 250 mV dropout at 300 mA, no AEC−Q100 qualification | Suitable for non-automotive consumer electronics; lacks automotive reliability validation and thermal shutdown hysteresis | Select only for cost-sensitive industrial designs where AEC−Q100 is not mandated. |
| NCP1117ST33T3G | 1 A output, 1.2 V dropout at 800 mA, TO−220/TO−263 package, no enable pin | Requires PCB layout redesign due to larger footprint and absence of enable control for power sequencing | Choose when higher current or legacy through-hole compatibility is required, accepting loss of enable functionality. |
Compared with TLV73333PDBVR and NCP1117ST33T3G, the NCV8606MN33T2G uniquely combines automotive qualification, enable control, low dropout, and ultra-low noise in a compact DFN6 package - making it irreplaceable for new ADAS and telematics designs requiring functional safety alignment.
Availability
NCV8606MN33T2G is available at Aetrix Electronics and suitable for automotive ADAS camera modules, infotainment system power rails, and body control unit MCU supplies requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for NCV8606MN33T2G 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 (formerly ON Semiconductor) is a global semiconductor supplier specializing in energy-efficient power management, analog, and sensing solutions for automotive, industrial, and cloud infrastructure markets.
The NCV8606MN33T2G belongs to onsemi's automotive-qualified LDO family designed specifically for demanding vehicle subsystems requiring AEC−Q100 compliance, low quiescent current, and robust transient immunity.
FAQ
What is the maximum input voltage rating for the NCV8606MN33T2G?
The NCV8606MN33T2G has an absolute maximum input voltage rating of 6.5 V. However, its recommended operating input range is 1.5 V to 6.0 V. Operation above 6.0 V risks exceeding safe junction temperature limits even at light loads, especially in high ambient conditions. Always maintain Vin ≤ 6.0 V for reliable long-term use in automotive applications.
Does the NCV8606MN33T2G require an external resistor divider for 3.3 V output?
No, the NCV8606MN33T2G is a fixed-output variant - pin 5 (SENSE/ADJ) must be connected directly to the output capacitor (Cout), not to a resistor divider. External resistors are only required for adjustable versions like NCV8606MNADJT2G. Using a divider on the NCV8606MN33T2G will disrupt regulation and cause output voltage error.
How does the enable pin (EN) behave during power-up sequences?
The NCV8606MN33T2G enable pin (pin 3) asserts active-high logic: output turns on when EN ≥ 0.9 V and shuts down when EN ≤ 0.4 V. Its enable time is 12–30 µs depending on output voltage. For robust sequencing, drive EN from a clean 3.3 V rail with slew rate >10 mV/s - avoid slow-rising microcontroller GPIOs without conditioning.
Can the NCV8606MN33T2G be used without an output capacitor?
No, the NCV8606MN33T2G requires a minimum 1.0 µF ceramic output capacitor (Cout) placed adjacent to pin 4 (Vout) for stability and transient response. Omitting Cout causes oscillation and catastrophic failure under load steps. The datasheet confirms stability with X7R/X5R ceramics - tantalum is acceptable but increases ESR and reduces PSRR.
Is thermal derating required for the NCV8606MN33T2G in enclosed automotive enclosures?
Yes - at 125°C ambient, the NCV8606MN33T2G's maximum continuous output current drops to ~320 mA due to thermal limits (RJA = 75°C/W). To sustain 500 mA, reduce ambient temperature or increase PCB copper area beyond 645 mm². Use the thermal equation PDMAX = (125°C − TA) / 75°C/W to calculate safe power dissipation per design.
NCV8606MN33T2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 6-VDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.22V @ 500mA
- Current - Output:
- 500mA
- Current - Quiescent (Iq):
- 180 µA
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-DFN (3x3.3)
NCV8606MN33T2G FAQ
1.How can I place an order for NCV8606MN33T2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV8606MN33T2G 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 NCV8606MN33T2G reliable?
The price and inventory of NCV8606MN33T2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV8606MN33T2G is usually 5 days.
3.What payment methods are accepted for NCV8606MN33T2G?
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4.How is shipping managed for NCV8606MN33T2G?
NCV8606MN33T2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV8606MN33T2G 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 NCV8606MN33T2G?
For technical support, including NCV8606MN33T2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV8606MN33T2G requirements.
6.How does Aetrix verify that NCV8606MN33T2G is sourced from the original manufacturer or authorized distributors?
All NCV8606MN33T2G 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 NCV8606MN33T2G meets industry standards.
7.What is the process for return or replacement of NCV8606MN33T2G?
All NCV8606MN33T2G units undergo pre-shipment inspection (PSI). If there is an issue with NCV8606MN33T2G, 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 NCV8606MN33T2G part is unused and in its original packaging.
Return procedure for NCV8606MN33T2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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