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onsemi NCP582DXV29T2G
- Part No.:
- NCP582DXV29T2G
- Manufacturer:
- onsemi
- Package:
- SOT-563, SOT-666
- Datasheet:
-
NCP582DXV29T2G.pdf
- Description:
- IC REG LINEAR 2.9V 150MA SOT563
- Quantity:
- Payment:
- Shipping:
Inventory:19,990
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Product details
Overview
NCP582DXV29T2G from onsemi is an ultra-fast, low-noise 150 mA CMOS LDO regulator with active-high enable and auto-discharge functionality, delivering a precise 2.9 V output voltage in SOT-563 package. It features 220 mV dropout at 150 mA, 30 µVRMS output noise (10 Hz–100 kHz), and ±2% output voltage accuracy over −40°C to +85°C - optimized for portable battery-powered systems requiring stable low-voltage rail generation.
For engineers reviewing the NCP582DXV29T2G datasheet, pinout, applications, or equivalent options, key selection criteria include its 2.9 V fixed output, 75 µA quiescent current, 70 dB PSRR at 1 kHz, 100 ppm/°C temperature coefficient, and compatibility with 0.47 µF ceramic output capacitor - critical for compact, low-power, noise-sensitive designs.
Technical Context
The NCP582DXV29T2G implements a CMOS-based LDO architecture with internal reference, error amplifier, and pass transistor, supporting fast transient response and fold-back current limiting. Its active-high CE pin integrates auto-discharge via an internal N-channel MOSFET (RLow = 60 Ω) to rapidly discharge VOUT when disabled.
Designed for input voltages up to 6.5 V and output currents up to 150 mA, it maintains regulation across −40°C to +85°C ambient with <22 mV load regulation and 0.02%/V line regulation - enabling robust operation in dynamically varying supply and load conditions typical of handheld instrumentation and imaging devices.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.9 V ±2% - ensures stable power rail for 2.8–3.0 V logic or analog circuitry without external feedback. |
| Max Output Current | 150 mA - sufficient to power microcontrollers, sensors, or RF front-ends in space-constrained portable devices. |
| Dropout Voltage | 220 mV at 150 mA - enables operation down to Vin = 3.12 V, extending battery life in single-cell Li-ion or multi-cell alkaline systems. |
| Quiescent Current | 75 µA typical - minimizes standby power loss, critical for always-on functions in battery-operated equipment. |
| PSRR | 70 dB at 1 kHz - suppresses switching noise from upstream DC-DC converters, preserving signal integrity in ADCs or audio paths. |
| Output Noise | 30 µVRMS (10 Hz–100 kHz) - eliminates need for external noise-reduction capacitors in sensitive analog subsystems. |
| Temp Coefficient | 100 ppm/°C - limits output drift to ±0.87 mV over −40°C to +85°C, supporting precision voltage references. |
Pinout & Package
SOT-563 (Case 463A) surface-mount package: 1.6 mm × 1.2 mm × 0.6 mm, 6-pin, Pb-free, RoHS-compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (CE) | Chip Enable (active high) | Logic-high ≥1.5 V enables regulator; internal auto-discharge path discharges VOUT when low. |
| 2 (GND) | Power ground | Dedicated ground pin for low-impedance return path; separate from pin 5 to reduce noise coupling. |
| 3 (VOUT) | Regulated output | Delivers 2.9 V ±2%; requires 0.47 µF ceramic capacitor per datasheet for stability and transient response. |
| 4 (NC) | No connect | Internally unconnected; must remain floating - no routing or soldering required. |
| 5 (GND) | Power ground | Second ground terminal for thermal and EMI performance; electrically tied to pin 2 internally but kept separate for layout optimization. |
| 6 (VIN) | Input supply | Accepts 2.0–6.5 V; requires 1.0 µF ceramic decoupling capacitor placed close to this pin. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low dropout | 220 mV at 150 mA enables use with weak or depleting batteries while maintaining regulation. |
| Auto-discharge function | Integrated 60 Ω N-channel switch discharges VOUT rapidly upon disable, preventing back-powering of upstream circuits. |
| Low-noise regulation | 30 µVRMS output noise eliminates need for external bypass caps in precision analog rails. |
| High PSRR | 70 dB at 1 kHz rejects ripple from noisy DC-DC converters, protecting noise-sensitive loads like PLLs or ADCs. |
| Thermal stability | 100 ppm/°C output drift ensures consistent voltage across industrial temperature range without calibration. |
Applications
| Portable Medical Sensors | Wireless IoT End Nodes |
|---|---|
Use Scenario: Powering low-power biosignal amplifiers and ADCs in wearable ECG/SpO₂ monitors. IC Role / Device Role / Timing Role: Provides clean, stable 2.9 V bias for analog front-end and microcontroller core voltage. Use Value: 30 µVRMS noise and 2% accuracy prevent baseline drift and quantization errors in sub-mV biomedical measurements. |
Use Scenario: Supplying BLE SoC and environmental sensors in battery-operated smart meters or asset trackers. IC Role / Device Role / Timing Role: Delivers regulated 2.9 V to radio transceiver and sensor interface during burst transmission and deep-sleep cycles. Use Value: 75 µA quiescent current and fast enable/disable (via CE) minimize average system power, extending 10-year battery life. |
| Industrial Handheld Scanners | Compact Digital Cameras |
Use Scenario: Powering laser diode drivers and image sensor interfaces in rugged barcode scanners. IC Role / Device Role / Timing Role: Supplies noise-immune 2.9 V rail to high-speed CMOS image sensor and timing-critical laser control logic. Use Value: 70 dB PSRR suppresses switching noise from motor drivers and DC-DC converters, eliminating image artifacts. |
Use Scenario: Regulating voltage for CMOS image sensor and ISP in consumer camcorders and action cameras. IC Role / Device Role / Timing Role: Generates low-noise 2.9 V for analog pixel array and high-speed serial interface (e.g., MIPI CSI-2). Use Value: 220 mV dropout allows operation from partially discharged 3.7 V Li-ion cells, maximizing usable battery capacity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-2902E/TT | 250 mV dropout at 250 mA; 1.6 µA quiescent current; no auto-discharge; SOT-23-3 package. | Lacks CE pin and auto-discharge; suited for always-on, ultra-low-IQ applications where VOUT discharge is handled externally. | Select when lowest possible standby current is critical and board space permits larger SOT-23 footprint. |
| Torex XC6206P292MR-G | 300 mV dropout at 150 mA; 1 µA IQ; no CE pin; SOT-25 package; 1% initial accuracy. | Fixed enable (no CE control); no auto-discharge; tighter initial tolerance but higher dropout and no active control. | Choose for cost-sensitive, non-enabling applications where minimal IQ and ±1% accuracy outweigh need for dynamic control. |
Compared with MCP1700T-2902E/TT and XC6206P292MR-G, the NCP582DXV29T2G uniquely combines active-high enable with integrated auto-discharge, 220 mV dropout, and 30 µVRMS noise - making it optimal for space-constrained, dynamically powered portable systems requiring rapid rail shutdown and ultra-clean output.
Availability
NCP582DXV29T2G is available at Aetrix Electronics and suitable for portable medical sensors, wireless IoT end nodes, and industrial handheld scanners requiring stable component supply, long-term lifecycle support, and Pb-free compliance.
Supply support for NCP582DXV29T2G 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 electronics for automotive, industrial, cloud, and medical applications.
The NCP582 series belongs to onsemi's precision analog LDO portfolio, engineered specifically for portable battery-powered devices demanding ultra-low noise, fast transient response, and reliable enable-controlled power sequencing.
FAQ
What is the recommended input and output capacitor for NCP582DXV29T2G?
The NCP582DXV29T2G requires a 1.0 µF ceramic capacitor between VIN and GND. For VOUT = 2.9 V (>2.5 V), a 0.47 µF ceramic capacitor is recommended between VOUT and GND. These values ensure stability, low noise, and optimal transient response per the official onsemi datasheet.
Does NCP582DXV29T2G support auto-discharge, and how does it work?
Yes, NCP582DXV29T2G supports auto-discharge via its active-high CE pin. When CE is driven low, an internal 60 Ω N-channel MOSFET connects VOUT to GND, discharging the output capacitor rapidly. This prevents back-powering of upstream circuitry and ensures safe power-down sequencing.
What is the maximum input voltage rating for NCP582DXV29T2G?
The absolute maximum input voltage for NCP582DXV29T2G is 6.5 V. The recommended operating input voltage range is 2.0 V to 6.0 V, with dropout performance specified at VOUT + 1.0 V (i.e., 3.9 V minimum for reliable 150 mA operation).
Can NCP582DXV29T2G be used with ceramic output capacitors only?
Yes, NCP582DXV29T2G is fully compatible with ceramic output capacitors - specifically 0.47 µF for 2.9 V output. It does not require tantalum or electrolytic capacitors and is optimized for low-ESR ceramics, simplifying BOM and improving reliability.
What is the thermal performance of NCP582DXV29T2G in SOT-563 package?
In the SOT-563 package, NCP582DXV29T2G has a thermal resistance θJA of approximately 220°C/W. At 150 mA load and 3.9 V input, power dissipation is ~165 mW, resulting in a junction temperature rise of ~36°C above ambient - well within the 125°C max TJ limit under typical PCB layouts with moderate copper area.
NCP582DXV29T2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOT-563, SOT-666
- Packaging:
- Bulk
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 2.9V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.35V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 95 µA
- Current - Supply (Max):
- -
- PSRR:
- 70dB ~ 60dB (1kHz ~ 10kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SOT-563
NCP582DXV29T2G FAQ
1.How can I place an order for NCP582DXV29T2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP582DXV29T2G 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 NCP582DXV29T2G reliable?
The price and inventory of NCP582DXV29T2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP582DXV29T2G is usually 5 days.
3.What payment methods are accepted for NCP582DXV29T2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP582DXV29T2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP582DXV29T2G?
NCP582DXV29T2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP582DXV29T2G 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 NCP582DXV29T2G?
For technical support, including NCP582DXV29T2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP582DXV29T2G requirements.
6.How does Aetrix verify that NCP582DXV29T2G is sourced from the original manufacturer or authorized distributors?
All NCP582DXV29T2G 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 NCP582DXV29T2G meets industry standards.
7.What is the process for return or replacement of NCP582DXV29T2G?
All NCP582DXV29T2G units undergo pre-shipment inspection (PSI). If there is an issue with NCP582DXV29T2G, 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 NCP582DXV29T2G part is unused and in its original packaging.
Return procedure for NCP582DXV29T2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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