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onsemi NCV8711ASN300T1G
- Part No.:
- NCV8711ASN300T1G
- Manufacturer:
- onsemi
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
NCV8711ASN300T1G.pdf
- Description:
- IC REG LINEAR 3V 100MA 5TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:8,464
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Product details
Overview
NCV8711ASN300T1G from onsemi is an automotive-grade CMOS low-dropout (LDO) regulator delivering 3.0 V fixed output at up to 100 mA, with 1.8 µA typical quiescent current, 215 mV typical dropout at 100 mA, and integrated power-good (PG) monitoring-designed for always-on battery-powered systems such as body control modules and LED lighting.
For engineers reviewing the NCV8711ASN300T1G datasheet, pinout, applications, or equivalent options, key selection criteria include its AEC-Q100 qualification, PG signal timing (120–600 µs delay, 75–270 µs deglitch), ±1% output accuracy over −40°C to +125°C, and stable operation with 1 µF ceramic capacitors.
Technical Context
The NCV8711ASN300T1G implements a precision bandgap reference (1.2 V) and error amplifier driving a PMOS pass transistor, enabling low dropout and fast transient response. Its internal UVLO (1.95 V typ.) and thermal shutdown (165°C) operate independently of enable logic.
This version (B-series, TSOP-5 package) integrates a dedicated PG comparator with 93% VOUT-NOM threshold and hysteresis, plus deglitch and delay timers-enabling reliable power sequencing in automotive microcontroller systems without external supervision circuitry.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±1% over −40°C to +125°C - ensures stable MCU core or sensor biasing under wide thermal and load variation. |
| Quiescent Current | 1.8 µA typ. - enables >10-year battery life in always-on automotive modules with 200 mAh coin cells. |
| Dropout Voltage | 215 mV typ. at 100 mA - supports regulation down to VIN = 3.215 V, critical for cold-crank scenarios in 12 V systems. |
| Power Good (PG) | Dedicated open-drain output with 120–600 µs delay and 75–270 µs deglitch - provides clean reset assertion for downstream MCUs after VOUT stabilizes. |
| Input Voltage Range | 2.7 V to 18 V - accommodates automotive battery transients including load dump (up to 18 V) and cold-crank dips (down to 2.7 V). |
| Thermal Protection | 165°C shutdown with 20°C hysteresis - prevents latch-up during sustained overload or poor PCB heatsinking. |
| Capacitor Compatibility | Stable with ≥1 µF X5R/X7R ceramic output capacitor - eliminates need for large, costly tantalum or aluminum electrolytics. |
Pinout & Package
NCV8711ASN300T1G is housed in a Pb-free TSOP-5 (Case 483) package measuring 3.0 mm × 1.5 mm × 0.95 mm, with exposed pad (EP) thermally connected to GND for enhanced thermal dissipation (RthJCb = 11°C/W).
| Pin | Circuit Role | Design Meaning |
|---|---|---|
| 1 | IN | Main input supply pin - accepts 2.7–18 V; must be decoupled with ≥1 µF ceramic capacitor near pin. |
| 2 | GND | Analog and power ground reference - connects directly to EP for lowest thermal resistance and noise immunity. |
| 3 | OUT | Regulated 3.0 V output - drives load up to 100 mA; requires ≥1 µF ceramic capacitor with low ESR. |
| 4 | EN | Active-high enable - internally pulled up; tied to IN or left floating for always-on operation; threshold 0.9 V typ. |
| 5 | PG | Open-drain power-good indicator - pulls low if VOUT < 93% of 3.0 V; requires external pull-up resistor (e.g., 100 kΩ) to VIN or VOUT. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ | 1.8 µA typical - reduces standby power loss to <5.4 µW at 3 V, extending battery life in telematics and door modules. |
| Integrated PG with timing control | Configurable delay (120–600 µs) and deglitch (75–270 µs) - eliminates false resets from brief line transients or soft-start overshoot. |
| Soft-start circuit | Internal ramp limits inrush current - prevents input rail collapse during startup into large capacitive loads (e.g., camera modules). |
| AEC-Q100 Grade 1 | Qualified from −40°C to +125°C ambient - meets automotive reliability requirements for under-hood and cabin applications. |
| Robust protection suite | Includes overcurrent limiting (140–450 mA), thermal shutdown (165°C), and input UVLO (1.95 V) - enables fault-tolerant operation without external supervision. |
Applications
| Body Control Module (BCM) | Automotive LED Lighting |
|---|---|
Use Scenario: Powering CAN/LIN transceivers and microcontrollers in door modules, seat controllers, and mirror ECUs during vehicle sleep mode. IC Role / Device Role / Timing Role: Primary 3.0 V LDO with PG signaling for MCU reset coordination and wake-up validation. Use Value: 1.8 µA IQ enables >15-year battery-backed memory retention; PG output synchronizes MCU boot with stable 3.0 V rail. |
Use Scenario: Supplying constant-current LED drivers and ambient light sensors in interior dome lights and footwell illumination. IC Role / Device Role / Timing Role: Low-noise, high-PSRR (70 dB @ 10 kHz) 3.0 V bias source ensuring flicker-free dimming and accurate sensor readings. Use Value: 240 µVRMS output noise and 70 dB PSRR suppress switching noise from adjacent DC-DC converters. |
| On-Board Charger (OBC) Auxiliary Rail | Engine Control Unit (ECU) Sensor Bias |
Use Scenario: Generating isolated 3.0 V for OBC communication interfaces (e.g., ISO 15118, CAN FD) during charging handshake sequences. IC Role / Device Role / Timing Role: Secondary regulated rail with PG confirmation to validate auxiliary power before initiating high-voltage handshake protocols. Use Value: PG delay and deglitch prevent premature protocol initiation during input voltage ramp-up or brownout recovery. |
Use Scenario: Providing precision 3.0 V reference to analog front-ends for oxygen, knock, and manifold pressure sensors. IC Role / Device Role / Timing Role: High-accuracy (±1%), low-drift LDO supplying sensor excitation and ADC reference voltage. Use Value: ±1% output tolerance over full temperature range ensures <0.5% sensor measurement error without calibration compensation. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NCV8711BMTW300TBG | Same electrical specs but in WDFNW6 (2×2 mm) package with different pinout (IN=6, PG=5, EN=4, OUT=1, GND=3, EP); RthJA = 67°C/W vs. 178°C/W for TSOP-5. | Preferred for space-constrained PCB layouts requiring higher thermal efficiency and lower profile. | Select when board area is limited and thermal performance demands <100°C/W junction-to-air resistance. |
| TLV73330PDBVR | 300 mA output, 65 µA IQ, no PG output, SOT-23-5 package; lacks AEC-Q100 qualification and automotive temp range. | Suitable only for non-automotive industrial or consumer applications where PG and extended temperature are not required. | Choose only for cost-sensitive, non-automotive designs needing higher current but no power sequencing or automotive reliability. |
Compared with NCV8711ASN300T1G, the WDFN-packaged NCV8711BMTW300TBG offers superior thermal performance in compact layouts, while TLV73330PDBVR trades automotive qualification and PG functionality for higher output current and lower cost in non-automotive use cases.
Availability
NCV8711ASN300T1G is available at Aetrix Electronics and suitable for automotive body electronics, LED lighting control, and on-board charger auxiliary power rails requiring stable component supply, long-lifecycle support, and AEC-Q100 compliance.
Supply support for NCV8711ASN300T1G 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 focused on energy-efficient electronics for automotive, industrial, cloud, medical, and IoT applications.
The NCV8711 series belongs to onsemi's automotive power management portfolio, engineered specifically for low-IQ, high-reliability LDO regulation in harsh automotive environments with stringent AEC-Q100 and PPAP requirements.
FAQ
What is the maximum input voltage rating for the NCV8711ASN300T1G?
The NCV8711ASN300T1G supports a maximum input voltage of 22 V absolute rating, with recommended operating range up to 18 V. This allows safe operation during automotive load-dump events (ISO 7637-2 Pulse 5a), provided external clamping or filtering is implemented per system-level requirements.
Does the NCV8711ASN300T1G require an external pull-up resistor on the PG pin?
Yes, the NCV8711ASN300T1G PG pin is open-drain and requires an external pull-up resistor (typically 10–100 kΩ) to either VIN or VOUT to generate a valid logic-high signal. Without it, the PG output remains floating and cannot drive MCU reset inputs reliably.
Is the NCV8711ASN300T1G compatible with 1 µF ceramic output capacitors?
Yes, the NCV8711ASN300T1G is explicitly characterized and guaranteed stable with ≥1 µF X5R or X7R ceramic capacitors (effective capacitance including DC bias). No ESR requirements or additional series resistance is needed, simplifying layout and reducing BOM count.
What is the power-good (PG) threshold voltage for the NCV8711ASN300T1G?
The NCV8711ASN300T1G PG output asserts high when VOUT reaches 93% of nominal 3.0 V (i.e., 2.79 V), with 0.1–4% hysteresis. This ensures robust detection above regulation tolerance while avoiding chatter near the 3.0 V setpoint during line/load transients.
How does the enable (EN) pin function on the NCV8711ASN300T1G?
The EN pin is active-high with 0.9 V typical threshold and 0.1 V hysteresis. It features an internal 300 nA pull-up, so tying EN to IN or leaving it unconnected enables the device. Driving EN below 0.7 V disables output and reduces shutdown current to 0.35 µA typ.
NCV8711ASN300T1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 18V
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.355V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 2.5 µA
- Current - Supply (Max):
- -
- PSRR:
- 80dB ~ 48dB (10Hz ~ 1MHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C (TJ)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSOP
NCV8711ASN300T1G FAQ
1.How can I place an order for NCV8711ASN300T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCV8711ASN300T1G 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 NCV8711ASN300T1G reliable?
The price and inventory of NCV8711ASN300T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCV8711ASN300T1G is usually 5 days.
3.What payment methods are accepted for NCV8711ASN300T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCV8711ASN300T1G transactions.
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4.How is shipping managed for NCV8711ASN300T1G?
NCV8711ASN300T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCV8711ASN300T1G 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 NCV8711ASN300T1G?
For technical support, including NCV8711ASN300T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCV8711ASN300T1G requirements.
6.How does Aetrix verify that NCV8711ASN300T1G is sourced from the original manufacturer or authorized distributors?
All NCV8711ASN300T1G 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 NCV8711ASN300T1G meets industry standards.
7.What is the process for return or replacement of NCV8711ASN300T1G?
All NCV8711ASN300T1G units undergo pre-shipment inspection (PSI). If there is an issue with NCV8711ASN300T1G, 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 NCV8711ASN300T1G part is unused and in its original packaging.
Return procedure for NCV8711ASN300T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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