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onsemi NCP4624DMU30TCG
- Part No.:
- NCP4624DMU30TCG
- Manufacturer:
- onsemi
- Package:
- 4-UDFN Exposed Pad
- Datasheet:
-
NCP4624DMU30TCG.pdf
- Description:
- IC REG LINEAR 3V 150MA 4UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,239
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Product details
Overview
NCP4624DMU30TCG from onsemi is a CMOS-based 150 mA low-dropout linear voltage regulator with 3.0 V fixed output, 2.5 V to 9.5 V input range (max 11 V), ±2% output accuracy, and integrated reverse current protection-designed for battery-powered portable equipment powered by 2-cell Li-ion batteries.
For engineers reviewing the NCP4624DMU30TCG datasheet, pinout, applications, or equivalent options, key selection criteria include ultra-low quiescent current (2.0 µA typ), auto-discharge capability, wide temperature operation (−40°C to +85°C), and UDFN4 1.0 × 1.0 mm package suitability for space-constrained industrial and consumer power rails.
Technical Context
The NCP4624DMU30TCG implements a PMOS pass device with internal reverse current detection circuitry that activates when VOUT exceeds VIN or VSET (3.0 V), using hysteresis (VREV_DET = 55–100 mV, VREV_REL = 70–120 mV) to prevent oscillation. Its enable logic is high-active (VCEH ≥ 1.7 V), with internal pull-down (IPD = 0.3–0.9 µA) ensuring safe default-off state.
This variant belongs to the "D" family featuring an integrated NMOS autodischarge transistor (RDSON = 380 Ω typ) between VOUT and GND, activated during disable mode to rapidly discharge output capacitance-critical for fast power-down sequencing in portable systems.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±2% over −40°C to +85°C - ensures stable MCU core or sensor rail without external feedback. |
| Input Voltage Range | 2.5 V to 9.5 V (max 11 V) - supports direct regulation from 2-cell Li-ion (nominal 7.4 V, fully charged ~8.4 V). |
| Quiescent Current | 2.0 µA typical at zero load - enables multi-year battery life in always-on standby applications. |
| Dropout Voltage | 0.61 V (typ) at 150 mA - allows 3.0 V output from as low as 3.61 V input, extending usable battery voltage range. |
| Reverse Current Protection | Active for VOUT > 1.5 V - blocks backfeed from output to input or ground, preventing battery drain in system-level fault conditions. |
| Autodischarge Function | Integrated NMOS (RDSON = 380 Ω) discharges output cap when CE = low - eliminates need for external bleed resistor in power-gated subsystems. |
| Thermal Resistance | RJA = 250 °C/W (UDFN4) - requires minimal PCB copper area for thermal management at full 150 mA load. |
Pinout & Package
Package: UDFN4 1.0 × 1.0 mm, 0.65 mm pitch, exposed pad (EP) - optimized for high-density portable PCB layouts with low thermal resistance.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (UDFN) | VIN | Main input supply pin - accepts up to 11 V; must be decoupled with 100 nF ceramic capacitor placed adjacent to pin. |
| 2 (UDFN) | GND | Ground reference for all internal circuits - connects to EP for optimal thermal and electrical performance. |
| 3 (UDFN) | CE | Chip enable input (high-active); internal 0.3–0.9 µA pull-down ensures safe disable if left floating. |
| 4 (UDFN) | VOUT | Regulated 3.0 V output - requires 100 nF ceramic capacitor to ground for stability; supports autodischarge path via internal NMOS. |
| EP | Exposed Pad | Thermal and electrical ground - recommended to connect to PCB ground plane for RJA = 250 °C/W performance. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ standby mode | 0.2–0.6 µA (ISTB) - reduces leakage current during system sleep, critical for IoT endpoint battery longevity. |
| Reverse current blocking | Operates for VOUT > 1.5 V with 55–100 mV detection threshold - prevents backfeed into depleted input sources. |
| Fast turn-on/turn-off response | Typical 100 µs rise/fall time (IOUT = 150 mA) - supports dynamic power sequencing in multi-rail systems. |
| Wide operating temperature | −40°C to +85°C junction - validated for industrial equipment and automotive cabin electronics. |
| Pb-free, RoHS-compliant packaging | UDFN4 1.0 × 1.0 mm (Case 517BR) - meets global environmental compliance and reflow soldering standards. |
Applications
| Home Appliances Power Rail | Portable Medical Monitor |
|---|---|
Use Scenario: Powering microcontroller, display driver, and sensor interface in smart refrigerator control board. IC Role / Device Role / Timing Role: Primary 3.0 V LDO supplying low-noise digital logic and analog front-end circuitry. Use Value: 2.0 µA quiescent current extends battery backup runtime during AC loss; reverse current protection isolates main 12 V supply from 3.0 V domain during fault. |
Use Scenario: Regulating power for ECG signal conditioning and Bluetooth LE wireless transmission in handheld patient monitor. IC Role / Device Role / Timing Role: Standby-mode LDO delivering stable 3.0 V to mixed-signal SoC with rapid enable/disable control. Use Value: Autodischarge function clears output capacitance within milliseconds after shutdown, meeting IEC 62304 power-off safety requirements. |
| Car Audio DSP Core Supply | Industrial PLC I/O Module |
Use Scenario: Providing clean 3.0 V rail to digital signal processor in aftermarket head unit with variable 9–16 V vehicle battery input. IC Role / Device Role / Timing Role: Post-regulator following buck converter, rejecting switching noise and transients. Use Value: 27 dB PSRR at 1 kHz (1.2 V version) and 18 dB (3.3 V version) - confirmed for 3.0 V output via interpolation - suppresses conducted noise from DC-DC stage. |
Use Scenario: Powering isolated CAN transceiver and microcontroller in DIN-rail mounted programmable logic controller. IC Role / Device Role / Timing Role: Secondary LDO generating 3.0 V from 5 V local supply, with reverse current isolation from field-side 24 V bus. Use Value: 11 V absolute max input withstands 24 V field-side surge events through series Zener clamping; −40°C to +85°C rating ensures reliability in uncooled enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-3002E/TT | 3.0 V fixed, 250 mA, 1.6 µA IQ, no reverse current protection or autodischarge | Lacks reverse current blocking and active discharge - requires external circuitry for backfeed prevention | Choose when higher output current (250 mA) is needed and reverse protection is handled externally |
| Torex XC6206P302MR-G | 3.0 V fixed, 250 mA, 1 µA IQ, no CE pin or reverse current protection | No enable control or reverse current blocking - unsuitable for power-gated or fault-isolated designs | Prefer for ultra-low-power always-on sensors where enable and reverse protection are unnecessary |
Compared with MCP1700T-3002E/TT and XC6206P302MR-G, the NCP4624DMU30TCG uniquely integrates reverse current protection and autodischarge in a 1.0 × 1.0 mm UDFN4 package-enabling compact, fail-safe power management without added components.
Availability
NCP4624DMU30TCG is available at Aetrix Electronics and suitable for industrial PLC modules, portable medical monitors, car audio DSP supplies, and home appliance control boards requiring stable component supply with long-term lifecycle assurance.
Supply support for NCP4624DMU30TCG 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, sensor, and connectivity solutions for automotive, industrial, cloud, and consumer markets.
The NCP4624DMU30TCG belongs to onsemi's high-reliability LDO portfolio targeting battery-powered and industrial applications where ultra-low IQ, reverse current blocking, and small-footprint packaging are essential design requirements.
FAQ
What is the maximum input voltage rating for the NCP4624DMU30TCG?
The NCP4624DMU30TCG has an absolute maximum input voltage of 12 V, with recommended continuous operation up to 11 V. This allows safe use with 2-cell Li-ion batteries (up to ~8.4 V) and provides margin for transient spikes in industrial 9–10 V supply rails. Exceeding 12 V risks permanent damage per Absolute Maximum Ratings table.
Does the NCP4624DMU30TCG require an external output capacitor for stability?
Yes, the NCP4624DMU30TCG requires a minimum 100 nF ceramic output capacitor (C2) connected directly between VOUT and GND. The datasheet confirms stable operation with this value; larger capacitors improve load transient response but are not required for basic functionality. Tantalum capacitors are discouraged due to potential ESR-induced oscillation.
How does the autodischarge feature of the NCP4624DMU30TCG operate?
The NCP4624DMU30TCG's "D" variant includes an internal NMOS transistor between VOUT and GND that activates automatically when the CE pin is driven low. With RDSON ≈ 380 Ω, it discharges typical 1–10 µF output capacitors in under 10 ms - eliminating need for external discharge resistors and enabling fast, controlled power-down in portable devices.
Is the NCP4624DMU30TCG compatible with lead-free reflow soldering processes?
Yes, the NCP4624DMU30TCG is Pb-free, halogen-free/BFR-free, and RoHS-compliant. Its UDFN4 package (Case 517BR) is qualified for standard lead-free reflow profiles per J-STD-020, with peak temperatures up to 260°C. The exposed pad enhances thermal transfer during soldering and improves post-assembly thermal performance.
What is the dropout voltage of the NCP4624DMU30TCG at full 150 mA load?
At 150 mA output current and TA = 25°C, the NCP4624DMU30TCG exhibits a typical dropout voltage of 0.61 V and a maximum of 1.05 V. This means it can maintain regulated 3.0 V output with input as low as 3.61 V (typ) or 4.05 V (max), extending usable battery life in 2-cell Li-ion applications down to ~3.6 V per cell.
NCP4624DMU30TCG 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):
- 11V
- Voltage - Output (Min/Fixed):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 1.05V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 3.7 µA
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Reverse Polarity
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 4-UDFN (1.0x1.0)
NCP4624DMU30TCG FAQ
1.How can I place an order for NCP4624DMU30TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP4624DMU30TCG 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 NCP4624DMU30TCG reliable?
The price and inventory of NCP4624DMU30TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP4624DMU30TCG is usually 5 days.
3.What payment methods are accepted for NCP4624DMU30TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP4624DMU30TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP4624DMU30TCG?
NCP4624DMU30TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP4624DMU30TCG 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 NCP4624DMU30TCG?
For technical support, including NCP4624DMU30TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP4624DMU30TCG requirements.
6.How does Aetrix verify that NCP4624DMU30TCG is sourced from the original manufacturer or authorized distributors?
All NCP4624DMU30TCG 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 NCP4624DMU30TCG meets industry standards.
7.What is the process for return or replacement of NCP4624DMU30TCG?
All NCP4624DMU30TCG units undergo pre-shipment inspection (PSI). If there is an issue with NCP4624DMU30TCG, 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 NCP4624DMU30TCG part is unused and in its original packaging.
Return procedure for NCP4624DMU30TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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