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onsemi NCP4586DMU33TCG
- Part No.:
- NCP4586DMU33TCG
- Manufacturer:
- onsemi
- Package:
- 4-UDFN Exposed Pad
- Datasheet:
-
NCP4586DMU33TCG.pdf
- Description:
- IC REG LINEAR 3.3V 150MA 4UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:1,411
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Product details
Overview
NCP4586DMU33TCG from onsemi is a CMOS 150 mA low-dropout linear regulator with fixed 3.3 V output, ±1% accuracy at 25°C, 320 mV typical dropout at full load, 80 dB PSRR at 1 kHz, and stable operation with 0.47 µF ceramic output capacitance - deployed in portable audio devices, camera modules, and battery-powered microcontroller subsystems.
For engineers reviewing the NCP4586DMU33TCG datasheet, pinout, applications, or equivalent options, key selection criteria include its UDFN4 1.0×1.0 mm package, enable-high logic (CE active high), auto-discharge capability, low 38 µA quiescent current, and guaranteed operation across −40°C to +85°C ambient.
Technical Context
The NCP4586DMU33TCG implements a CMOS pass transistor architecture enabling ultra-low dropout and minimal ground current. Its internal bandgap reference and error amplifier deliver tight output regulation under line, load, and temperature variation - with ±20 ppm/°C tempco and ≤30 mV load regulation from 1 mA to 150 mA.
It integrates current-foldback protection and features an internal pull-down current source (0.4 µA) on the CE pin for reliable enable/disable control. The D-version variant includes an integrated N-channel discharge transistor activated during shutdown to rapidly deplete output capacitance.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.3 V ±1% (at TJ = 25°C, VOUT > 2 V) |
| Max Output Current | 150 mA continuous - supports power rails for MCU cores, sensors, and RF front-ends |
| Dropout Voltage | 320 mV typical at 150 mA - enables operation down to VIN = 3.62 V while maintaining regulation |
| PSRR | 80 dB at 1 kHz - suppresses switching noise from upstream DC/DC converters |
| Quiescent Current | 38 µA typical - extends battery life in always-on sensor nodes |
| Output Noise | 30 µVRMS (10 Hz–100 kHz) - suitable for noise-sensitive analog circuitry |
| Stability | Stable with ≥0.47 µF ceramic output capacitor - eliminates need for bulky tantalum or electrolytic caps |
Pinout & Package
Package: UDFN4 (1.0 mm × 1.0 mm, 0.65 mm pitch, Case 517BR), Pb-free, wettable flank capable.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VIN | Input supply connection | Accepts 1.7 V–6.5 V input; requires local 470 nF ceramic decoupling |
| GND | Power ground reference | Low-impedance return path; must be connected directly to PCB ground plane |
| CE | Enable control input | Active-high logic (VCEH ≥ 1.0 V); internal 0.4 µA pull-down ensures default disable |
| VOUT | Regulated output | Delivers stable 3.3 V; connects to 0.47 µF ceramic capacitor placed adjacent to pin |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 38 µA typical - minimizes standby power loss in battery-critical systems |
| Auto-output discharge | Integrated N-ch discharge FET (RLOW = 30 Ω) clears VOUT within milliseconds at shutdown |
| High PSRR at 1 kHz | 80 dB - rejects ripple from noisy switchers without external LC filtering |
| Low-noise output | 30 µVRMS broadband noise - avoids interference in ADC references and audio biasing |
| Thermal robustness | RJA = 250 °C/W (UDFN4) - supports 150 mA loads with minimal heatsinking on standard FR4 |
Applications
| Portable Audio Devices | Camera Sensor Modules |
|---|---|
|
Use Scenario: Powering MEMS microphones and Class-D audio amplifiers in Bluetooth earbuds. IC Role / Device Role / Timing Role: Primary 3.3 V LDO supplying analog signal chain and digital interface logic. Use Value: Low 30 µVRMS noise prevents audible hiss; 38 µA IQ extends playback time between charges. |
Use Scenario: Biasing CMOS image sensors and ISP power domains in smartphone front cameras. IC Role / Device Role / Timing Role: Clean, low-noise 3.3 V rail for analog pixel readout and I²C communication interface. Use Value: 80 dB PSRR suppresses switching noise from PMIC buck converters; auto-discharge prevents ghost exposure during rapid power cycling. |
| Wireless Sensor Nodes | Industrial Handheld Terminals |
|
Use Scenario: Supplying ultra-low-power MCUs (e.g., ARM Cortex-M0+) and BLE transceivers in environmental monitoring tags. IC Role / Device Role / Timing Role: Always-on 3.3 V regulator enabling wake-on-event operation with sub-µA sleep current. Use Value: 320 mV dropout allows operation down to 3.62 V from single Li-ion cell; UDFN4 footprint saves PCB area in compact enclosures. |
Use Scenario: Providing regulated 3.3 V to touch controllers, display drivers, and secure element ICs in ruggedized field terminals. IC Role / Device Role / Timing Role: Secondary LDO delivering clean power after primary DC/DC conversion. Use Value: ±1% output accuracy ensures reliable logic-level compatibility; −40°C to +85°C rating guarantees outdoor operational integrity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-3302E/TT | 300 mA rated, 6 µA IQ, no auto-discharge, SOT-23 package | Lacks output discharge; higher max current but larger footprint | Preferred when lowest quiescent current is critical and discharge not required |
| Torex XC6206P332MR-G | 150 mA, 1 µA IQ, no CE pin, SOT-23-3 package | No enable control; simpler interface but no power sequencing capability | Selected for cost-sensitive, always-on applications where enable functionality is unnecessary |
Compared with MCP1700T-3302E/TT and XC6206P332MR-G, the NCP4586DMU33TCG uniquely combines auto-discharge, enable control, and UDFN4 space efficiency - making it optimal for compact, battery-powered systems requiring fast power-state transitions and minimal board area.
Availability
NCP4586DMU33TCG is available at Aetrix Electronics and suitable for portable audio devices, camera sensor modules, and wireless sensor nodes requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for NCP4586DMU33TCG 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 innovation for automotive, industrial, cloud, and IoT applications.
The NCP4586DMU33TCG belongs to onsemi's precision LDO family designed specifically for space-constrained, battery-operated electronics demanding low noise, low dropout, and fast transient response.
FAQ
What is the input voltage range supported by the NCP4586DMU33TCG?
The NCP4586DMU33TCG operates with an input voltage range of 1.7 V to 6.5 V. This wide range allows direct use with single-cell Li-ion (2.7–4.2 V), two-cell alkaline (2.0–3.2 V), or post-regulation supplies. Absolute maximum VIN is 7 V - exceeding this risks permanent damage per absolute maximum ratings.
Does the NCP4586DMU33TCG require external capacitors, and what values are recommended?
Yes, the NCP4586DMU33TCG requires both input and output ceramic capacitors. A minimum 470 nF ceramic capacitor is required on VIN, and ≥0.47 µF ceramic is required on VOUT. These must be placed as close as possible to their respective pins. Larger values improve transient response but are not mandatory for stability.
Is the NCP4586DMU33TCG pin-compatible with other variants in the NCP4586 family?
Yes - all NCP4586 variants in the UDFN4 package (e.g., NCP4586DMU12TCG, NCP4586DMU28TCG) share identical pinout and footprint. Only the output voltage and marking code differ; no PCB redesign is needed when substituting between UDFN4 versions.
What does the 'D' suffix in NCP4586DMU33TCG indicate?
The 'D' denotes the auto-discharge version: when the CE pin is driven low, an internal N-channel transistor actively discharges the VOUT capacitor to GND. This prevents residual voltage from interfering with downstream logic states or causing unintended wake-up events in power-gated systems.
How does the NCP4586DMU33TCG perform under thermal stress at full load?
At 150 mA output and ambient 85°C, the NCP4586DMU33TCG junction temperature rises by approximately 37.5°C above ambient (ΔT = PD × RJA; PD ≈ 48 mW, RJA = 250°C/W). This keeps TJ well below the 150°C maximum, ensuring reliable operation without forced cooling on standard 2-layer PCBs.
NCP4586DMU33TCG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 4-UDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6.5V
- Voltage - Output (Min/Fixed):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.51V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 58 µA
- Current - Supply (Max):
- -
- PSRR:
- 80dB (1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 4-UDFN (1.0x1.0)
NCP4586DMU33TCG FAQ
1.How can I place an order for NCP4586DMU33TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP4586DMU33TCG 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 NCP4586DMU33TCG reliable?
The price and inventory of NCP4586DMU33TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP4586DMU33TCG is usually 5 days.
3.What payment methods are accepted for NCP4586DMU33TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP4586DMU33TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP4586DMU33TCG?
NCP4586DMU33TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP4586DMU33TCG 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 NCP4586DMU33TCG?
For technical support, including NCP4586DMU33TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP4586DMU33TCG requirements.
6.How does Aetrix verify that NCP4586DMU33TCG is sourced from the original manufacturer or authorized distributors?
All NCP4586DMU33TCG 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 NCP4586DMU33TCG meets industry standards.
7.What is the process for return or replacement of NCP4586DMU33TCG?
All NCP4586DMU33TCG units undergo pre-shipment inspection (PSI). If there is an issue with NCP4586DMU33TCG, 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 NCP4586DMU33TCG part is unused and in its original packaging.
Return procedure for NCP4586DMU33TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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