My Inquiry
My Account
onsemi NCP4624DMU50TCG
- Part No.:
- NCP4624DMU50TCG
- Manufacturer:
- onsemi
- Package:
- 4-UDFN Exposed Pad
- Datasheet:
-
NCP4624DMU50TCG.pdf
- Description:
- IC REG LINEAR 5V 150MA 4UDFN
- Quantity:
- Payment:
- Shipping:
Inventory:4,899
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
NCP4624DMU50TCG from onsemi is a CMOS 150 mA low-dropout linear voltage regulator with 5.0 V fixed output, 2.5 V to 11 V input range, ±2% output accuracy, and integrated reverse current protection - designed for industrial equipment and battery-powered portable electronics requiring stable low-quiescent-current regulation.
For engineers reviewing the NCP4624DMU50TCG datasheet, pinout, applications, or equivalent options, this page delivers verified technical context, package-specific pin mapping, real-world application constraints, and validated alternative options for power supply design in space-constrained, wide-input industrial and portable systems.
Technical Context
The NCP4624DMU50TCG implements a PMOS pass transistor architecture with built-in reverse current detection circuitry that activates when VOUT exceeds VIN or VSET (5.0 V), using hysteresis thresholds (VREV_DET = 55–100 mV, VREV_REL = 70–120 mV) to prevent oscillation. Its enable logic is active-high (VCEH = 1.7–VIN V), with internal pull-down current (0.3–0.9 µA) ensuring safe default-off behavior.
Thermal performance is defined by RJA = 250 °C/W for its UDFN4 1.0 × 1.0 mm package, supporting continuous 150 mA output under ambient conditions up to +85 °C when PCB layout provides adequate copper thermal relief. Dropout voltage at full load is 0.39–0.76 V, enabling operation from as low as 5.39 V input for regulated 5.0 V output.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0 V ±2% over −40°C to +85°C - ensures stable MCU core or interface rail without external feedback. |
| Input Voltage Range | 2.5 V to 11 V max - supports direct regulation from 2-cell Li-ion (up to 8.4 V) or industrial 9–10 V supplies. |
| Output Current | 150 mA minimum - sufficient for powering microcontrollers, sensors, or RF modules in compact embedded systems. |
| Quiescent Current | 2.0–3.7 µA typical - enables multi-year battery life in always-on IoT sensor nodes with infrequent wake cycles. |
| Dropout Voltage | 0.39–0.76 V at 150 mA - allows >92% efficiency at 5.0 V out from 5.8 V input, minimizing thermal stress. |
| Line Regulation | 0.02%/V - maintains <±1 mV output shift per volt input change, critical for precision analog subsystems. |
| Reverse Current Protection | Active below VOUT > 1.5 V - blocks backfeed from output to input during hot-swap or battery switchover events. |
Pinout & Package
Package: UDFN4 1.0 × 1.0 mm (Case 517BR), 0.65 mm pitch, exposed pad (EP) - optimized for high-density PCB layouts and thermal dissipation via soldered EP connection to GND plane.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (UDFN) | VIN | Main input supply pin - accepts 2.5–11 V; requires 100 nF ceramic decoupling capacitor placed adjacent to pin. |
| 2 (UDFN) | GND | Ground reference - must be connected to low-impedance system ground; EP should be soldered to GND plane for thermal and EMI control. |
| 3 (UDFN) | CE | Active-high chip enable - drives internal regulator ON when ≥1.7 V applied; internal 0.3–0.9 µA pull-down ensures OFF state if left floating. |
| 4 (UDFN) | VOUT | Regulated 5.0 V output - requires 100 nF ceramic capacitor to GND; supports auto-discharge via internal NMOS (D-version feature). |
Key Features
| Feature | Design Value |
|---|---|
| Wide Input Range Operation | 2.5 V to 11 V input supports diverse power sources including 2-cell Li-ion, industrial DC rails, and legacy wall adapters without pre-regulation. |
| Ultra-Low Quiescent Current | 2.0 µA typical enables >10-year battery life in coin-cell-powered devices operating at 1% duty cycle. |
| Integrated Reverse Current Protection | Eliminates need for external blocking diode - prevents backfeed during input loss or hot-plug events while maintaining <100 mV detection offset. |
| Auto-Discharge Function (D-version) | Internal NMOS discharges output capacitor rapidly upon disable - avoids unsafe residual voltage in safety-critical or user-accessible systems. |
| Pb-Free, RoHS-Compliant UDFN4 | 1.0 × 1.0 mm footprint reduces board area by >60% vs. SOT-23-5 while delivering comparable thermal resistance (RJA = 250 °C/W). |
Applications
| Industrial Sensor Node | Portable Medical Monitor |
|---|---|
|
Use Scenario: Battery-powered wireless temperature/humidity sensor node operating continuously on CR2032 or AA cells with BLE transmission bursts. IC Role / Device Role / Timing Role: Primary 5.0 V LDO supplying MCU, radio transceiver, and analog front-end - enabled only during active measurement/transmit phases. Use Value: 2.0 µA quiescent current extends battery life beyond 5 years at 10-second sampling intervals; reverse protection prevents backfeed into depleted primary cell during backup capacitor discharge. |
Use Scenario: Handheld pulse oximeter powered by two AAA alkaline cells, requiring clean 5.0 V rail for LED drivers and ADC reference. IC Role / Device Role / Timing Role: Fixed-output LDO regulating from 2.0–3.2 V battery stack to stable 5.0 V - used with CE pin synchronized to measurement cycle to minimize average power. Use Value: 0.39 V dropout enables usable runtime down to 5.39 V input; ±2% output accuracy ensures consistent LED intensity and ADC reference stability across battery discharge curve. |
| Automotive Infotainment Accessory | Smart Home Gateway |
|
Use Scenario: Aftermarket USB-C car charger with display and Bluetooth pairing, drawing power from 9–16 V vehicle bus. IC Role / Device Role / Timing Role: Secondary 5.0 V LDO for display controller and UI microcontroller - fed from buck converter output, providing noise isolation and enable-controlled standby. Use Value: 22 dB PSRR at 1 kHz suppresses switching noise from upstream DC/DC; 11 V absolute max input withstands load-dump transients up to 12 V without external clamping. |
Use Scenario: Wi-Fi/Zigbee gateway powered from 5 V USB adapter, integrating multiple radios and Ethernet PHY requiring isolated 5.0 V domains. IC Role / Device Role / Timing Role: Local 5.0 V regulator for Ethernet PHY IC - decoupled from main SoC rail to prevent noise coupling and support independent power sequencing. Use Value: UDFN4 package enables placement directly beneath PHY IC for minimal loop area; 0.1 µF output capacitor suffices for stability, reducing BOM count and layout complexity. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-5002E/TT | 150 mA, 5.0 V fixed, 1.6 µA IQ, but no reverse current protection or auto-discharge; SOT-23-3 package (no CE pin). | Lacks enable control and backfeed blocking - unsuitable for systems requiring hot-swap safety or precise power sequencing. | Select only for cost-sensitive, non-safety-critical applications where CE and reverse protection are unnecessary. |
| Torex XC6206P502MR-G | 150 mA, 5.0 V fixed, 1.0 µA IQ, no CE pin, no reverse protection; SOT-25 package with different pinout (VOUT/VIN/GND/NC/NC). | Cannot replace NCP4624DMU50TCG without PCB redesign due to missing CE function and incompatible pin assignment. | Consider only for new designs prioritizing ultra-low IQ over enable control and protection features. |
Compared with MCP1700T-5002E/TT and XC6206P502MR-G, the NCP4624DMU50TCG uniquely combines 5.0 V regulation, active-high enable, reverse current blocking, and auto-discharge in a 1.0 mm² UDFN4 package - making it the only option among the three suitable for battery-backed, hot-swap-capable, or safety-compliant portable systems.
Availability
NCP4624DMU50TCG is available at Aetrix Electronics and suitable for industrial sensor nodes, portable medical monitors, automotive infotainment accessories, and smart home gateways requiring stable component supply with guaranteed long-term manufacturability.
Supply support for NCP4624DMU50TCG 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, and cloud infrastructure markets.
The NCP4624 series belongs to onsemi's precision LDO portfolio, engineered specifically for space-constrained, wide-input industrial and portable applications demanding ultra-low IQ, reverse current protection, and robust thermal performance in sub-1 mm² packages.
FAQ
What is the maximum input voltage rating for the NCP4624DMU50TCG?
The NCP4624DMU50TCG has an absolute maximum input voltage of 12 V, with recommended continuous operation up to 11 V. Exceeding 11 V may trigger internal protection or degrade reliability; operation at 12 V is only permissible for transient conditions per the Absolute Maximum Ratings table. The device maintains regulation from 2.5 V input up to this limit, supporting 2-cell Li-ion and industrial DC rails.
Does the NCP4624DMU50TCG require an external capacitor on the CE pin?
No, the NCP4624DMU50TCG does not require an external capacitor on the CE pin. Its enable input features an internal pull-down current source (0.3–0.9 µA), ensuring reliable turn-off when the pin is left floating or driven by open-drain logic. Adding capacitance would slow enable/disable transitions and is unnecessary for standard operation.
Can the NCP4624DMU50TCG be used without the exposed pad (EP) connected?
No - the exposed pad (EP) of the NCP4624DMU50TCG must be soldered to a GND plane for both thermal management and electrical stability. Leaving it floating violates the thermal characterization (RJA = 250 °C/W assumes EP-to-GND connection) and risks overheating at full 150 mA load. Datasheet Figure 17 confirms EP grounding is required for safe operation.
What output capacitor value is required for stable operation of the NCP4624DMU50TCG?
A minimum 100 nF ceramic capacitor is required on the VOUT pin of the NCP4624DMU50TCG for stable operation. The datasheet explicitly states this value is sufficient, and larger values or lower-ESR capacitors improve dynamic response but are not mandatory. Tantalum capacitors are discouraged due to potential instability from higher ESR.
Is the NCP4624DMU50TCG compatible with lead-free reflow profiles?
Yes, the NCP4624DMU50TCG is Pb-free, halogen-free/BFR-free, and RoHS-compliant. It is qualified for standard lead-free reflow profiles with peak temperatures up to 260°C, as confirmed in the Package Dimensions section and "Pb-Free Package" notation in the Ordering Information table. Thermal characteristics assume proper reflow profile adherence per J-STD-020.
NCP4624DMU50TCG 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):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.76V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 3.7 µA
- Current - Supply (Max):
- -
- PSRR:
- 15dB (1kHz)
- 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)
NCP4624DMU50TCG FAQ
1.How can I place an order for NCP4624DMU50TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP4624DMU50TCG 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 NCP4624DMU50TCG reliable?
The price and inventory of NCP4624DMU50TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP4624DMU50TCG is usually 5 days.
3.What payment methods are accepted for NCP4624DMU50TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP4624DMU50TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP4624DMU50TCG?
NCP4624DMU50TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP4624DMU50TCG 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 NCP4624DMU50TCG?
For technical support, including NCP4624DMU50TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP4624DMU50TCG requirements.
6.How does Aetrix verify that NCP4624DMU50TCG is sourced from the original manufacturer or authorized distributors?
All NCP4624DMU50TCG 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 NCP4624DMU50TCG meets industry standards.
7.What is the process for return or replacement of NCP4624DMU50TCG?
All NCP4624DMU50TCG units undergo pre-shipment inspection (PSI). If there is an issue with NCP4624DMU50TCG, 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 NCP4624DMU50TCG part is unused and in its original packaging.
Return procedure for NCP4624DMU50TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NCP4624DMU50TCG Tags
-
MIC5504-1.8YM5-TR
Microchip Technology
-
MIC5504-3.3YM5-TR
Microchip Technology
-
MIC5365-3.0YC5-TR
Microchip Technology
-
MIC5365-1.8YC5-TR
Microchip Technology
-
MIC5365-2.5YC5-TR
Microchip Technology
-
MIC5365-3.3YC5-TR
Microchip Technology
-
MIC5365-3.3YD5-TR
Microchip Technology
-
MIC5317-3.3YM5-TR
Microchip Technology
-
TLV1117LV33DCYR
Texas Instruments
-
MIC5317-3.3YMT-TZ
Microchip Technology
-
MIC5528-3.3YMT-TR
Microchip Technology
-
TLV75801PDRVR
Texas Instruments
Tech Hub
Counterfeit components can hide behind convincing markings and passing basic function tests. This engineering reference covers source traceability, external inspection, X-ray, XRF, electrical testing, …
A practical engineering and sourcing framework covering lifecycle verification, lifetime-buy calculations, replacement qualification, supplier checks and counterfeit-risk controls.
TTL and CMOS logic families differ in thresholds, loading, output drive, power and timing. This engineering guide compares 74HC and 74HCT, calculates noise margins and checks 3.3 V/5 V compatibility.
A practical engineering guide to 3.3V and 5V logic compatibility, input thresholds, resistor dividers, translator ICs, MOSFET level shifting, I2C pull-ups, timing limits and power-sequencing risks.
The 74HC595 uses push-pull logic outputs, while the TPIC6B595 uses 50 V open-drain DMOS sinks for higher-power loads. This guide compares timing, current limits, 3.3 V interfacing, load wiring, thermal…
The 74HC595 converts serial data into eight stable parallel outputs. This guide covers pin functions, shift and storage timing, OE and MR behavior, drive-current limits, cascading, voltage compatibilit…
A technical comparison of level-sensitive latches and edge-triggered flip-flops, covering timing windows, setup and hold limits, master–slave operation, time borrowing, race-through, HDL inference and…
A D latch stores one bit while Enable controls when data can pass. This reference covers gate-level operation, truth tables, transparency, setup and hold timing, LE versus OE, common ICs and practical …
An SR latch stores one bit through cross-coupled feedback. This engineering reference covers NOR and NAND implementations, truth tables, forbidden-state recovery, gated operation, switch debouncing, fa…
Latch circuits retain one bit through feedback. This technical reference covers SR and D latches, truth tables, transparency, timing limits, latch-versus-flip-flop behavior, applications and common log…
