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onsemi NCP663SQ30T1G
- Part No.:
- NCP663SQ30T1G
- Manufacturer:
- onsemi
- Package:
- SC-82A, SOT-343
- Datasheet:
-
NCP663SQ30T1G.pdf
- Description:
- IC REG LINEAR 3V 100MA SC82AB
- Quantity:
- Payment:
- Shipping:
Inventory:2,459
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Product details
Overview
NCP663SQ30T1G from onsemi is a fixed-output, 3.0 V, 100 mA CMOS low-dropout linear regulator optimized for battery-powered portable electronics. It delivers ultra-low quiescent current (2.5 µA typical), ±2.0% output voltage accuracy over −40 °C to +85 °C, and a dropout voltage of 250 mV at 100 mA load - enabling extended runtime in handheld instruments and camcorders.
For engineers reviewing the NCP663SQ30T1G datasheet, pinout, applications, or equivalent options, key selection criteria include its SC-82AB package footprint, absence of enable functionality (N/C pin), ceramic capacitor compatibility (≥0.1 µF), thermal protection, and automotive-grade alternatives with AEC-Q100 qualification.
Technical Context
The NCP663SQ30T1G integrates a PMOS pass transistor, precision voltage reference, error amplifier, and thermal shutdown circuitry - delivering stable regulation without requiring external compensation. Its architecture eliminates the need for minimum load or specific ESR output capacitors, supporting ceramic, tantalum, or polymer types.
Unlike the NCP662 variant, the NCP663SQ30T1G omits an enable input (Pin 4 = N/C) and is rated for industrial temperature range only (−40 °C to +85 °C). It achieves 100 ppm/°C output voltage temperature coefficient and maintains 20 mV load regulation across 10–100 mA output current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±2.0% (ensures stable MCU core or sensor rail under varying load/temperature) |
| Max Output Current | 100 mA (supports low-power microcontrollers, audio codecs, and RF front-end biasing) |
| Quiescent Current | 2.5 µA typical (enables >1-year battery life in always-on IoT sensors with 200 mAh coin cell) |
| Dropout Voltage | 250 mV at 100 mA (allows operation down to 3.25 V input from single Li-ion cell) |
| Input Voltage Range | Up to 6.0 V (compatible with 5 V USB, 3.3 V/5 V system rails, and boosted battery sources) |
| Thermal Protection | Internal shutdown at ~160 °C (prevents damage during sustained high-power dissipation or PCB layout constraints) |
| Output Capacitor | Min 0.1 µF ceramic (reduces BOM cost and board area vs. electrolytic/tantalum solutions) |
Pinout & Package
The NCP663SQ30T1G is housed in the SC-82AB (Case 419C) surface-mount package - a 4-pin, 2.0 × 1.25 mm micro-miniature outline with exposed thermal pad (not electrically connected). Pin 1 = GND, Pin 2 = Vin, Pin 3 = Vout, Pin 4 = N/C.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Power supply ground reference; must be low-impedance connection to minimize noise coupling and thermal resistance |
| 2 | Vin | Positive input supply (max 6.0 V); requires local 1.0 µF decoupling capacitor placed adjacent to pin |
| 3 | Vout | Regulated 3.0 V output; supports ≥0.1 µF ceramic capacitor with no ESR requirement |
| 4 | N/C | No internal connection - must remain unconnected or floating; not usable as enable or feedback |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ | 2.5 µA typical ground current enables multi-year operation in battery-harvested sensor nodes |
| SC-82AB footprint | 2.0 × 1.25 mm body size allows placement in space-constrained wearables and medical patches |
| No ESR dependency | Stable with 0.1–10 µF ceramic capacitors - eliminates need for costly low-ESR tantalum or polymer types |
| Thermal shutdown | Integrated protection activates at ~160 °C junction temperature, preventing permanent failure during transient overload |
| ±2.0% output accuracy | Tight initial tolerance ensures reliable power delivery to 3.0 V logic without external trimming or calibration |
Applications
| Handheld Medical Sensors | Portable Audio Recorders |
|---|---|
Use Scenario: Continuous glucose monitor (CGM) using coin-cell battery and low-power ADC/MCU. IC Role / Device Role / Timing Role: Primary 3.0 V power rail regulator for analog front-end and BLE radio subsystem. Use Value: 2.5 µA quiescent current extends 200 mAh CR2032 battery life beyond 18 months in sleep mode. | Use Scenario: Pocket-sized voice recorder with MEMS microphone and stereo codec. IC Role / Device Role / Timing Role: Clean 3.0 V supply for audio DAC and low-noise preamp stages. Use Value: 100 mVpp output noise (100 Hz–100 kHz) prevents audible hiss in line-out path. |
| Industrial Data Loggers | Automotive Cabin Sensors |
Use Scenario: Temperature/humidity logger deployed in remote field enclosures with AA batteries. IC Role / Device Role / Timing Role: Main regulator for microcontroller, EEPROM, and I²C sensor interface. Use Value: Dropout of 250 mV at 100 mA allows full functionality until battery drops to 3.25 V. | Use Scenario: Occupancy sensor module in vehicle cabin (non-safety-critical). IC Role / Device Role / Timing Role: Secondary 3.0 V rail for IR proximity detector and ambient light sensor. Use Value: −40 °C to +85 °C rating matches under-dash environmental requirements without derating. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NCV663SQ30T1G | AEC-Q100 qualified, −40 °C to +125 °C operating range, same SC-82AB package and 3.0 V output | Required for automotive infotainment, HVAC, or body control modules needing PPAP compliance | Select NCV663SQ30T1G when automotive qualification, extended temperature, or enhanced reliability testing is mandatory |
| MCP1700T-3002E/MB | 3.0 V, 250 mA, 1.6 µA IQ, SOT-23-3 package (no N/C pin), different pinout (Vin-GND-Vout) | Higher current capability and lower IQ, but lacks thermal shutdown and requires different PCB layout | Choose MCP1700T-3002E/MB for higher load headroom and ultra-low IQ where thermal protection is managed externally |
Compared with NCP663SQ30T1G, NCV663SQ30T1G adds automotive qualification and wider temperature range at identical electrical specs, while MCP1700T-3002E/MB offers higher output current and lower IQ in a smaller 3-pin package - but requires redesign due to missing thermal protection and incompatible pin assignment.
Availability
NCP663SQ30T1G is available at Aetrix Electronics and suitable for handheld medical sensors, portable audio recorders, industrial data loggers, and automotive cabin sensors requiring stable component supply, long-term lifecycle support, and traceable sourcing.
Supply support for NCP663SQ30T1G 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, sensing, and connectivity solutions for automotive, industrial, cloud, and consumer markets.
The NCP663 series belongs to onsemi's low-IQ LDO portfolio, designed specifically for battery-powered portable equipment where ultra-low standby current, small footprint, and ceramic capacitor compatibility are critical.
FAQ
What is the maximum input voltage rating for the NCP663SQ30T1G?
The NCP663SQ30T1G has a maximum input voltage rating of 6.0 V, as specified in the Absolute Maximum Ratings table. Exceeding this voltage may cause permanent damage. This rating allows safe operation from common 5 V USB supplies, boosted battery rails, or dual-cell alkaline sources while maintaining regulation at its 3.0 V output.
Does the NCP663SQ30T1G include an enable function?
No, the NCP663SQ30T1G does not include an enable function. Pin 4 is designated N/C (No internal connection), unlike the NCP662 variant which features an active-enable input. The NCP663SQ30T1G operates continuously when valid input voltage is applied - making it suitable for always-on applications where external control is unnecessary.
What output capacitor value is required for stable operation of the NCP663SQ30T1G?
The NCP663SQ30T1G requires a minimum output capacitor of 0.1 µF, and it is stable with ceramic, tantalum, or polymer capacitors across a wide ESR range (a few mΩ to 10 Ω). Unlike many LDOs, it imposes no minimum ESR requirement - simplifying design and reducing cost by enabling use of standard low-cost X5R/X7R MLCCs.
What is the dropout voltage of the NCP663SQ30T1G at full load?
The dropout voltage of the NCP663SQ30T1G is 250 mV typical at 100 mA output current and 25 °C, measured when Vout drops 3.0% below nominal (i.e., to 2.91 V). At −40 °C to +85 °C, the maximum dropout is 420 mV - ensuring reliable regulation even under worst-case thermal and load conditions.
Is the NCP663SQ30T1G RoHS-compliant and lead-free?
Yes, the NCP663SQ30T1G is Pb-free and RoHS-compliant, as indicated by the "G" suffix in its part number and confirmed in the Ordering Information table. It uses matte tin lead finish and meets JEDEC J-STD-020 moisture sensitivity level 1 (MSL1), supporting standard reflow soldering profiles without special handling.
NCP663SQ30T1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SC-82A, SOT-343
- 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):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.42V @ 100mA
- Current - Output:
- 100mA
- Current - Quiescent (Iq):
- 1 µA
- Current - Supply (Max):
- 6 µA
- PSRR:
- -
- Control Features:
- -
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-82AB
NCP663SQ30T1G FAQ
1.How can I place an order for NCP663SQ30T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP663SQ30T1G 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 NCP663SQ30T1G reliable?
The price and inventory of NCP663SQ30T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP663SQ30T1G is usually 5 days.
3.What payment methods are accepted for NCP663SQ30T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP663SQ30T1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP663SQ30T1G?
NCP663SQ30T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP663SQ30T1G 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 NCP663SQ30T1G?
For technical support, including NCP663SQ30T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP663SQ30T1G requirements.
6.How does Aetrix verify that NCP663SQ30T1G is sourced from the original manufacturer or authorized distributors?
All NCP663SQ30T1G 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 NCP663SQ30T1G meets industry standards.
7.What is the process for return or replacement of NCP663SQ30T1G?
All NCP663SQ30T1G units undergo pre-shipment inspection (PSI). If there is an issue with NCP663SQ30T1G, 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 NCP663SQ30T1G part is unused and in its original packaging.
Return procedure for NCP663SQ30T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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