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onsemi NCP500SN30T2G
- Part No.:
- NCP500SN30T2G
- Manufacturer:
- onsemi
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
NCP500SN30T2G.pdf
- Description:
- IC REG LINEAR 3V 150MA 5TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,570
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Product details
Overview
NCP500SN30T2G from onsemi is a fixed-output, low-noise, low-dropout linear regulator delivering 3.0 V at up to 150 mA. It features an ultra-low dropout voltage of 170 mV at full load, 50 µVRMS output noise (10 Hz–100 kHz, no bypass capacitor), and fast 20 µs enable turn-on time. Designed for noise-sensitive RF and analog circuits in portable battery-powered systems, it operates from 1.8 V to 6.0 V input and supports direct 1.0 V logic enable.
For engineers reviewing the NCP500SN30T2G datasheet, pinout, applications, or equivalent options, key selection criteria include dropout performance at 150 mA, RMS noise without external bypass, thermal shutdown behavior, TSOP-5 package compatibility, and AEC-Q100 qualification status for automotive use cases.
Technical Context
The NCP500SN30T2G uses a PMOS pass transistor architecture enabling ultra-low dropout and eliminating the need for an external noise-bypass capacitor. Its internal error amplifier maintains ±2.5% output accuracy over −40°C to +85°C and load currents from 1 mA to 150 mA.
Enable functionality is implemented with a logic-compatible threshold (0.9 V high, 0.15 V low) and sub-100 nA bias current, allowing direct interfacing with low-voltage microcontrollers. Thermal shutdown activates at ~160°C, and current limit protects against sustained short-circuit conditions.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 3.0 V ±2.5% (guaranteed over −40°C to +85°C, 1–150 mA load) |
| Max Output Current | 150 mA continuous (with thermal derating above ambient) |
| Dropout Voltage | 170 mV at 150 mA (enables regulation down to Vin = 3.17 V) |
| Output Noise | 50 µVRMS, 10 Hz–100 kHz (no external bypass capacitor required) |
| Enable Threshold | 0.9 V (logic high turn-on), 0.15 V (logic low turn-off) |
| Quiescent Current | 185 µA typical at 150 mA load (low ground current improves efficiency in standby) |
| Ripple Rejection | 62 dB at 1 kHz (suppresses switching noise from upstream SMPS) |
Pinout & Package
Package: TSOP-5 (Case 483), 5-pin surface-mount plastic package, 2.8 mm × 2.9 mm × 1.1 mm profile, Pb-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Vin | Positive input supply (1.8–6.0 V); requires 1.0 µF ceramic decoupling close to pin |
| 2 | GND | Power ground reference; low-impedance connection critical for noise performance |
| 3 | Enable | Active-high digital control; driven directly by 1.0 V logic; float or tie to Vin if unused |
| 4 | Vout | Regulated 3.0 V output; minimum 1.0 µF ceramic capacitor required for stability |
| 5 | N/C | No internal connection; must remain unconnected per datasheet |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low dropout | 170 mV @ 150 mA enables operation from single Li-ion (3.0–4.2 V) with margin |
| Noise suppression | 50 µVRMS without bypass capacitor simplifies BOM and layout for RF/analog stages |
| Fast enable response | 20 µs turn-on time supports dynamic power sequencing in multi-rail systems |
| Low-voltage enable | 0.9 V logic-high threshold interfaces directly with 1.0 V I/O domains (e.g., modern SoCs) |
| Thermal & current protection | Internal shutdown at ~160°C and current limiting prevent damage during fault conditions |
Applications
| RF Power Amplifier Biasing | VCO/PLL Reference Supply |
|---|---|
Use Scenario: Providing clean, stable bias to GaAs or SiGe RF PAs in cellular handsets and IoT transceivers. IC Role / Device Role / Timing Role: Low-noise post-regulator for PA collector/drain supply, rejecting SMPS ripple. Use Value: 50 µVRMS noise prevents phase noise degradation and adjacent channel leakage. |
Use Scenario: Powering voltage-controlled oscillators and PLL charge pumps in wireless timing subsystems. IC Role / Device Role / Timing Role: Ultra-stable 3.0 V reference rail minimizing VCO tuning sensitivity to supply variation. Use Value: ±2.5% output accuracy and 1.0 mV line regulation ensure consistent frequency lock range. |
| Portable Medical Sensors | Automotive Camera Modules |
Use Scenario: Supplying ADC front-ends and low-noise op-amps in handheld ECG or pulse oximetry devices. IC Role / Device Role / Timing Role: Precision analog rail generator with minimal added noise floor. Use Value: 170 mV dropout extends battery runtime while maintaining 3.0 V output down to 3.17 V input. |
Use Scenario: Regulating image sensor and ISP core voltage in ADAS rear-view and surround-view cameras. IC Role / Device Role / Timing Role: AEC-Q100 qualified LDO for safety-critical vision subsystems. Use Value: Built-in thermal shutdown and current limit meet ASIL-B functional safety requirements. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar low-noise LDO applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-3002E/MB | 300 mA rating, higher quiescent current (2.5 µA vs. 185 µA), SOT-23-5 package | Lacks AEC-Q100 qualification; not recommended for automotive camera modules | Preferred where higher output current is needed and automotive qualification is unnecessary |
| TLC7703IPW | 3.3 V fixed output only; 200 mA rating; requires external bypass capacitor for low noise | Higher noise floor (120 µVRMS) limits use in VCO/PLL supply rails | Consider only when 3.3 V output is mandatory and board space allows extra capacitor |
Compared with MCP1700T-3002E/MB and TLC7703IPW, the NCP500SN30T2G delivers superior noise performance without external components, tighter output accuracy, and automotive qualification-making it optimal for space-constrained, noise-sensitive, and safety-relevant designs.
Availability
NCP500SN30T2G is available at Aetrix Electronics and suitable for RF power amplifiers, VCO/PLL reference supplies, portable medical sensors, and automotive camera modules requiring stable component supply across production lifecycles.
Supply support for NCP500SN30T2G 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 supplier delivering energy-efficient silicon solutions for automotive, industrial, cloud, medical, and IoT applications.
The NCP500 series is designed specifically for portable, battery-powered systems demanding ultra-low noise, fast enable response, and minimal external components-targeting RF, analog, and automotive subsystems.
FAQ
What is the maximum input voltage for NCP500SN30T2G?
The absolute maximum input voltage for NCP500SN30T2G is 6.0 V, as specified in the Maximum Ratings table. Operation above this level risks permanent device damage. For reliable long-term use, input should be kept ≤6.0 V under all conditions including transient spikes, and derated for thermal considerations at high ambient temperatures.
Does NCP500SN30T2G require an external bypass capacitor for low-noise operation?
No, the NCP500SN30T2G achieves 50 µVRMS output noise (10 Hz–100 kHz) without any external bypass capacitor due to its integrated low-noise architecture. This eliminates BOM cost, PCB area, and potential startup delay issues associated with traditional LDOs requiring external bypass caps.
Is NCP500SN30T2G qualified for automotive applications?
Yes, the NCP500SN30T2G carries the NCV prefix variant designation and is AEC-Q100 qualified (Grade 3: −40°C to +85°C). It supports PPAP documentation and is suitable for automotive camera modules, infotainment power rails, and other non-safety-critical vehicle subsystems.
What is the thermal shutdown threshold for NCP500SN30T2G?
The NCP500SN30T2G incorporates internal thermal shutdown that activates at approximately 160°C junction temperature. Once triggered, the regulator disables output until junction temperature falls below the hysteresis threshold (~140°C), protecting against sustained overtemperature conditions during overload or poor heatsinking.
Can NCP500SN30T2G be used with ceramic output capacitors?
Yes, the NCP500SN30T2G is fully stable with ceramic output capacitors as low as 1.0 µF and does not require minimum ESR. Ceramic capacitors are recommended for their low ESL, compact size, and superior high-frequency noise filtering-especially beneficial in RF and portable applications.
NCP500SN30T2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- 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):
- 0.24V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 1 µA
- Current - Supply (Max):
- 300 µA
- PSRR:
- 62dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C (TA)
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSOP
NCP500SN30T2G FAQ
1.How can I place an order for NCP500SN30T2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP500SN30T2G 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 NCP500SN30T2G reliable?
The price and inventory of NCP500SN30T2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP500SN30T2G is usually 5 days.
3.What payment methods are accepted for NCP500SN30T2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP500SN30T2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP500SN30T2G?
NCP500SN30T2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP500SN30T2G 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 NCP500SN30T2G?
For technical support, including NCP500SN30T2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP500SN30T2G requirements.
6.How does Aetrix verify that NCP500SN30T2G is sourced from the original manufacturer or authorized distributors?
All NCP500SN30T2G 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 NCP500SN30T2G meets industry standards.
7.What is the process for return or replacement of NCP500SN30T2G?
All NCP500SN30T2G units undergo pre-shipment inspection (PSI). If there is an issue with NCP500SN30T2G, 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 NCP500SN30T2G part is unused and in its original packaging.
Return procedure for NCP500SN30T2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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