My Inquiry
My Account
onsemi NCP3337MN500R2G
- Part No.:
- NCP3337MN500R2G
- Manufacturer:
- onsemi
- Package:
- 10-VFDFN Exposed Pad
- Datasheet:
-
NCP3337MN500R2G.pdf
- Description:
- IC REG LINEAR 5V 500MA 10DFN
- Quantity:
- Payment:
- Shipping:
Inventory:3,036
Please send an inquiry. Send us your inquiry, and we will respond immediately.
Product details
Overview
NCP3337MN500R2G from onsemi is a 5.0 V fixed-output, ultra-high-accuracy low-dropout (LDO) regulator delivering up to 500 mA output current with ±0.9% accuracy at 25 °C, 260 mV typical dropout at full load, and integrated Power Good output. It operates from 2.9 V to 12 V input, requires only 1.0 µF output capacitance, and supports MLCC and all capacitor types - used in DSL/cable modems, cellular phones, and DSP power supplies.
For engineers reviewing the NCP3337MN500R2G datasheet, pinout, applications, or equivalent options, key selection criteria include its ±0.9% output accuracy over temperature, reverse bias protection (≤7 V), noise reduction pin (CNR), thermal shutdown (160 °C), and DFN10 package compatibility with high-density PCB layouts.
Technical Context
The NCP3337MN500R2G implements a precision bandgap reference and error amplifier driving a series pass element with reverse bias protection, enabling stable regulation without minimum load requirement. Its architecture supports operation with any capacitor type (including low-ESR MLCC) and integrates dedicated Sense/ADJ, NR, PWRG, and SD pins for system-level control and monitoring.
It features programmable Power Good threshold (93–99% of VOUT), 50 µs blanking time, and shutdown logic with 0.4 V OFF / 2.0 V ON thresholds. Thermal shutdown includes 10 °C hysteresis, and ground current remains as low as 0.8 µA at light loads - critical for battery-powered applications requiring ultra-low quiescent current.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 5.0 V ±0.9% at 25 °C; ±1.5% over −40 °C to +125 °C - ensures tight rail tolerance for sensitive analog/DSP circuits. |
| Max Output Current | 500 mA continuous; peak 830 mA - supports burst-mode digital loads without dropout. |
| Dropout Voltage | 340 mV typ at 500 mA - enables operation with Vin as low as 5.34 V while maintaining regulated 5.0 V output. |
| Quiescent Current | 9 mA typ at 500 mA load; 1 µA in shutdown - minimizes standby power loss in always-on subsystems. |
| Output Noise | 52 µVRMS (no CNR); 33 µVRMS (with 10 nF CNR) - meets low-noise requirements for RF and audio supply rails. |
| Power Good Threshold | 93–99% of VOUT with 2% hysteresis - provides reliable sequencing and fault detection for downstream logic. |
| Input Voltage Range | 2.9 V to 12 V - accommodates wide-input industrial and telecom power buses. |
| Thermal Protection | 160 °C shutdown with 10 °C hysteresis - prevents permanent damage during sustained overload or poor heatsinking. |
Pinout & Package
Package: DFN10 (3 mm × 3 mm, 0.5 mm pitch), exposed thermal pad (EPAD) connected to GND per JEDEC MO-229 standard (Case 485C).
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1, 2 | Vout | Regulated 5.0 V output; bypassed to GND with ≥1.0 µF capacitor - primary power delivery node. |
| 3 | SENSE/ADJ | Connected to Pins 1 & 2 for fixed 5.0 V operation; enables remote sensing or adjustable mode if reconfigured. |
| 4 | GND | Power ground reference; tied to EPAD for optimal thermal and noise performance. |
| 5 | PWRG | Open-drain Power Good output; pulls low when VOUT drops below threshold - used for system reset or enable sequencing. |
| 6 | NC | No internal connection - must be left floating or grounded; no electrical function. |
| 7 | NR | Noise Reduction pin; connects to GND via 10 nF capacitor to reduce output noise by ~40% - optional for ultra-low-noise designs. |
| 8 | SD | Active-low shutdown input; <0.4 V disables regulator, <1 µA shutdown current - enables deep-sleep power gating. |
| 9, 10 | Vin | Input supply (2.9–12 V); accepts ceramic, tantalum, or electrolytic capacitors - dual-pin layout reduces trace inductance. |
| EPAD | GND | Exposed thermal pad; must be soldered to large GND copper area for thermal dissipation (θJA = 66 °C/W on 2 oz board). |
Key Features
| Feature | Design Value |
|---|---|
| No minimum load required | Stable down to 0 mA output - eliminates need for dummy loads in low-power sleep modes. |
| Reverse bias protection | Blocks >99% current flow from Vout to Vin when Vin = 0 V and Vout = 5 V - prevents backfeed damage in multi-rail systems. |
| Capacitor flexibility | Stable with any 1.0 µF capacitor (MLCC, polymer, tantalum); no ESR constraints - simplifies BOM and layout. |
| Ultra-low noise with NR pin | 33 µVRMS output noise (10 Hz–100 kHz) when 10 nF CNR is used - suitable for ADC reference and RF LNA supplies. |
| Power Good with blanking | 50 µs glitch immunity on PWRG pin - avoids false resets during startup or transient dips. |
| Pb-free DFN10 package | 3 mm × 3 mm footprint with thermal EPAD - enables high-density routing and efficient heat transfer in space-constrained designs. |
Applications
| DSL/Cable Modem Power | Cellular Phone Baseband |
|---|---|
Use Scenario: Powers baseband processor and RF transceiver ICs in broadband access equipment requiring clean, sequenced 5.0 V rails. IC Role / Device Role / Timing Role: Primary 5.0 V LDO supplying core logic voltage with Power Good signaling for FPGA configuration and PHY initialization. Use Value: ±0.9% accuracy ensures compliance with 5.0 V ±5% telecom standards; 340 mV dropout allows operation from 5.5 V intermediate bus. |
Use Scenario: Delivers stable 5.0 V to application processors and memory interfaces in smartphones during dynamic load transitions. IC Role / Device Role / Timing Role: System-level power management device providing regulated voltage and reset coordination via PWRG pin. Use Value: 500 mA capability supports burst-mode CPU activity; 1 µA shutdown current extends battery life in standby mode. |
| DSP Audio Supply | Industrial Display Controller |
Use Scenario: Supplies low-noise 5.0 V to high-resolution audio DACs and analog front-ends in professional audio gear. IC Role / Device Role / Timing Role: Precision analog supply rail generator with NR pin enabled to suppress switching noise from adjacent DC/DC converters. Use Value: 33 µVRMS noise (with CNR) meets THD+N < −105 dB requirements; reverse bias protection isolates DAC from hot-swap events. |
Use Scenario: Provides 5.0 V to display timing controllers and interface buffers in factory HMIs and medical monitors. IC Role / Device Role / Timing Role: Reliable, thermally robust LDO supporting extended operating temperature range (−40 °C to +125 °C junction). Use Value: 160 °C thermal shutdown with hysteresis prevents field failures; DFN10 package fits compact display module footprints. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| TPS7A4700RGWR | 20 V max input, 1 µVRMS noise, 1 A output, SOIC-8 - higher performance but larger package and cost. | Used in ultra-low-noise lab equipment; not drop-in due to different pinout and thermal pad. | Select when sub-µV noise and >500 mA are mandatory; avoid if DFN10 footprint or cost sensitivity applies. |
| MCP1703T-5002E/MB | 250 mA max, SOT-23-5, ±2% accuracy, no PWRG or NR pin - simpler, lower-cost alternative. | Suitable for low-current microcontroller peripherals where sequencing and noise are non-critical. | Choose for cost-sensitive, low-power applications lacking Power Good or noise-reduction requirements. |
Compared with TPS7A4700RGWR and MCP1703T-5002E/MB, the NCP3337MN500R2G uniquely balances 500 mA drive, ±0.9% accuracy, integrated PWRG/NR, and DFN10 thermal efficiency - making it optimal for mid-power consumer and telecom systems where size, precision, and feature integration are jointly constrained.
Availability
NCP3337MN500R2G is available at Aetrix Electronics and suitable for DSL/cable modems, cellular phone baseband subsystems, and industrial display controllers requiring stable component supply despite its discontinued status - supported via legacy inventory and cross-qualified alternatives.
Supply support for NCP3337MN500R2G 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 electronics, delivering silicon solutions for automotive, industrial, cloud, and edge applications.
The NCP3337MN500R2G belongs to onsemi's high-accuracy LDO family designed for consumer and telecom power management - emphasizing ultra-low dropout, capacitor flexibility, and integrated system-monitoring features like Power Good and noise reduction.
FAQ
What is the output voltage tolerance of the NCP3337MN500R2G across temperature?
The NCP3337MN500R2G delivers 5.0 V output with ±0.9% accuracy at 25 °C, ±1.4% from 0 °C to +85 °C, and ±1.5% over −40 °C to +125 °C. This tight tolerance ensures reliable operation of 5 V-tolerant logic and analog circuitry without external trimming - critical for DSL modems and cellular baseband ICs that specify strict supply rail limits.
Does the NCP3337MN500R2G require an external pull-up resistor on the PWRG pin?
Yes - the NCP3337MN500R2G PWRG pin is open-drain and requires an external pull-up resistor (typically 100 kΩ) to Vin to generate a valid logic-high signal. Without it, PWRG remains floating and cannot assert system reset or enable signals. The NCP3337MN500R2G specification confirms this in the Applications Information section and Figure 1 schematic.
Can the NCP3337MN500R2G operate with a 1.0 µF MLCC output capacitor?
Yes - the NCP3337MN500R2G is explicitly characterized for stability with any 1.0 µF capacitor, including MLCCs with near-zero ESR. Unlike many LDOs requiring minimum ESR for phase margin, the NCP3337MN500R2G's internal compensation eliminates ESR dependency, enabling smaller, cheaper, and more reliable ceramic capacitors in high-frequency noise-sensitive applications.
What is the maximum allowable input voltage for the NCP3337MN500R2G?
The absolute maximum input voltage for the NCP3337MN500R2G is +16 V, per the Maximum Ratings table. However, the recommended operating range is 2.9 V to 12 V. Exceeding 12 V may degrade long-term reliability or trigger thermal shutdown under load - the NCP3337MN500R2G datasheet specifies 12 V as the upper limit for guaranteed performance across temperature and process corners.
Is the NCP3337MN500R2G still in active production?
No - the NCP3337MN500R2G is marked as Discontinued in the official onsemi datasheet (Rev. 3, October 2025). Page 15 states "DISCONTINUED: This device is not available." Aetrix Electronics supports legacy demand through remaining inventory and qualified alternatives, but new design-ins should consider functional replacements like the TPS7A4700RGWR or MCP1703T-5002E/MB based on application requirements.
NCP3337MN500R2G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 10-VFDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 12V
- Voltage - Output (Min/Fixed):
- 5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.34V @ 500mA
- Current - Output:
- 500mA
- Current - Quiescent (Iq):
- 220 µA
- Current - Supply (Max):
- 14 mA
- PSRR:
- -
- Control Features:
- Enable, Power Good
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 10-DFN (3x3)
NCP3337MN500R2G FAQ
1.How can I place an order for NCP3337MN500R2G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP3337MN500R2G 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 NCP3337MN500R2G reliable?
The price and inventory of NCP3337MN500R2G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP3337MN500R2G is usually 5 days.
3.What payment methods are accepted for NCP3337MN500R2G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP3337MN500R2G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP3337MN500R2G?
NCP3337MN500R2G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP3337MN500R2G 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 NCP3337MN500R2G?
For technical support, including NCP3337MN500R2G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP3337MN500R2G requirements.
6.How does Aetrix verify that NCP3337MN500R2G is sourced from the original manufacturer or authorized distributors?
All NCP3337MN500R2G 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 NCP3337MN500R2G meets industry standards.
7.What is the process for return or replacement of NCP3337MN500R2G?
All NCP3337MN500R2G units undergo pre-shipment inspection (PSI). If there is an issue with NCP3337MN500R2G, 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 NCP3337MN500R2G part is unused and in its original packaging.
Return procedure for NCP3337MN500R2G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
NCP3337MN500R2G 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…
