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onsemi NCP707BMX280TCG
- Part No.:
- NCP707BMX280TCG
- Manufacturer:
- onsemi
- Package:
- 4-XDFN Exposed Pad
- Datasheet:
-
NCP707BMX280TCG.pdf
- Description:
- IC REG LINEAR 2.8V 200MA 4XDFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,264
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Product details
Overview
NCP707BMX280TCG from onsemi is a 200 mA low-dropout (LDO) regulator with fixed 2.8 V output, optimized for battery-powered portable electronics. It delivers ±2% output accuracy over load/line/temperature, achieves 118 mV typical dropout at 200 mA, and maintains ultra-low 25 µA quiescent current at no-load - enabling extended runtime in space-constrained, noise-sensitive applications like GPS modules and Bluetooth handsets.
For engineers reviewing the NCP707BMX280TCG datasheet, pinout, applications, or equivalent options, key selection criteria include its 2.8 V fixed output, XDFN-4 1.0×1.0 mm package, 22 µVRMS output noise (100 Hz–100 kHz), 70 dB PSRR at 1 kHz, and stable operation with only 1 µF ceramic output capacitor.
Technical Context
The NCP707BMX280TCG employs a PMOS pass transistor architecture enabling reverse-current blocking and low dropout performance across its 1.8 V to 5.5 V input range. Its adaptive quiescent current circuitry dynamically reduces ground current under light loads while maintaining regulation integrity.
Internal protection includes thermal shutdown (160°C trip, 20°C hysteresis) and current limiting (379 mA typical), with EN pin logic control (0.4 V low threshold, 0.9 V high threshold) enabling precise system power sequencing. The device lacks active output discharge - confirmed by suffix 'B' and absence of RDIS specification in electrical characteristics.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 2.8 V ±2% over full load/line/temperature range - ensures stable core voltage for 2.8 V I/O rails in portable SoCs. |
| Max Output Current | 200 mA continuous - supports moderate-power RF transceivers or sensor signal chains without derating. |
| Dropout Voltage | 118 mV typical at 200 mA - enables operation down to 2.918 V input, critical for single-cell Li-ion (2.8–4.2 V) systems. |
| Quiescent Current | 25 µA typical at no-load - extends battery life in always-on monitoring modes (e.g., BLE beacon sleep states). |
| Output Noise | 22 µVRMS (100 Hz–100 kHz) - meets stringent noise requirements for ADC reference supplies or RF LNA biasing. |
| PSRR | 70 dB at 1 kHz - suppresses switching noise from adjacent DC-DC converters feeding the same battery rail. |
| Stability | Guaranteed with ≥1 µF ceramic output capacitor - eliminates need for costly tantalum or large bulk caps in compact layouts. |
Pinout & Package
Package: XDFN-4 1.0×1.0 mm, 0.4 mm pitch, exposed thermal pad (EPAD) - designed for high-density PCBs with minimal footprint and efficient heat dissipation via direct EPAD-to-ground connection.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (OUT) | Regulated output | Delivers stable 2.8 V; requires ≥1 µF ceramic capacitor to GND for stability and transient response. |
| 2 (GND) | Power ground | Reference node for regulation; EPAD must be soldered directly to this pin's ground plane for thermal management. |
| 3 (EN) | Enable control | Logic-high (>0.9 V) enables regulation; logic-low (<0.4 V) disables output and reduces IN current to ≤1 µA. |
| 4 (IN) | Input supply | Accepts 1.8–5.5 V; requires ≥1 µF ceramic capacitor close to pin to suppress input ripple and EMI. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ | 25 µA no-load quiescent current - minimizes standby power loss in battery-critical applications like medical wearables. |
| Low-noise regulation | 22 µVRMS integrated noise - avoids signal corruption in precision analog front-ends (e.g., ECG amplifiers). |
| Wide input range | 1.8 V to 5.5 V operation - supports direct connection to single-cell Li-ion, USB, or multi-rail systems without pre-regulation. |
| Robust protection | Thermal shutdown (160°C) and current limit (379 mA) - prevents damage during short-circuit or overload events in unattended deployments. |
| Small-footprint packaging | XDFN-4 1.0×1.0 mm - saves >60% board area vs. SOT-23, enabling miniaturization in hearables and IoT sensors. |
Applications
| GPS Module Power Supply | Bluetooth Audio Transceiver |
|---|---|
Use Scenario: Powers GNSS baseband IC and RF frontend in handheld navigation devices with tight size constraints. IC Role / Device Role / Timing Role: Provides clean, regulated 2.8 V supply to sensitive GPS receiver circuitry requiring low phase noise and minimal supply-induced jitter. Use Value: 22 µVRMS noise and 70 dB PSRR prevent degradation of C/N0 ratio, maintaining <2 m position error under dynamic conditions. | Use Scenario: Supplies 2.8 V to Bluetooth 5.0 audio SoC in true wireless stereo (TWS) earbuds during active streaming and low-power advertising. IC Role / Device Role / Timing Role: Delivers stable voltage to digital baseband and 2.4 GHz RF section while minimizing standby current draw. Use Value: 25 µA quiescent current extends battery life to >8 hours per charge; 118 mV dropout enables full utilization of declining Li-ion cell voltage. |
| Portable Medical Sensor | Smartphone Camera Module |
Use Scenario: Powers optical heart-rate monitor (PPG) analog signal chain in fitness trackers operating continuously for 7-day battery life. IC Role / Device Role / Timing Role: Supplies low-noise 2.8 V bias to photodiode amplifier and ADC driver stages. Use Value: ±2% output accuracy and 22 µVRMS noise ensure sub-1% measurement repeatability in pulse amplitude detection. | Use Scenario: Regulates 2.8 V for CMOS image sensor I/O interface and autofocus motor driver in smartphone rear camera modules. IC Role / Device Role / Timing Role: Provides fast-transient response power to sensor pixel array during exposure ramp-up and readout phases. Use Value: 75 mV load transient deviation (1→200 mA) prevents image artifacts; EN pin enables synchronized power gating with sensor frame timing. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-2802E/TT | 250 mA max output, 1.6 µA IQ, 350 mV dropout at 250 mA - higher dropout limits usable input range in low-VIN scenarios. | Lacks EN pin and thermal shutdown - unsuitable for systems requiring remote power control or high-reliability fault protection. | Select when ultra-low IQ dominates design priority and protection features are handled externally. |
| Torex XC6206P282MR-G | 150 mA max output, 1 µA IQ, 160 mV dropout at 150 mA - lower current rating restricts use in higher-power peripherals. | No current limit or thermal shutdown - requires external fuse or current-sense circuitry for robustness. | Choose for cost-sensitive, low-current applications where footprint and IQ are primary constraints. |
Compared with MCP1700T-2802E/TT and XC6206P282MR-G, the NCP707BMX280TCG provides superior thermal and overcurrent protection, tighter output accuracy (±2% vs. ±3%), and integrated EN control - making it optimal for safety-critical portable designs where reliability and feature integration outweigh marginal IQ savings.
Availability
NCP707BMX280TCG is available at Aetrix Electronics and suitable for GPS receivers, Bluetooth audio systems, portable medical sensors, and smartphone camera modules requiring stable component supply with guaranteed long-term availability.
Supply support for NCP707BMX280TCG 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 is a global semiconductor supplier delivering energy-efficient silicon solutions for automotive, industrial, cloud, medical, and IoT applications - with leadership in power management, analog, and sensing technologies.
The NCP707 series is part of onsemi's precision low-noise LDO portfolio, engineered specifically for battery-powered portable electronics demanding ultra-low quiescent current, small form factor, and high PSRR in space-constrained designs.
FAQ
What is the maximum input voltage rating for the NCP707BMX280TCG?
The NCP707BMX280TCG has an absolute maximum input voltage rating of 6 V. Operation above 5.5 V is not recommended - the device is specified for reliable operation from 1.8 V to 5.5 V input. Exceeding 6 V risks permanent damage due to internal junction breakdown, as confirmed in the Absolute Maximum Ratings table of the official datasheet.
Does the NCP707BMX280TCG include active output discharge functionality?
No, the NCP707BMX280TCG does not include active output discharge. The 'B' suffix denotes the standard version without this feature - only 'A' and 'C' variants (e.g., NCP707AMX280TCG) implement active discharge with 1.2 kΩ or 120 Ω pull-down resistors. This is explicitly stated in the datasheet's "Active output discharge function is present only in NCP707AMXyyyTCG and NCP707CMXyyyTCG devices" note.
What output capacitor value is required for stability with the NCP707BMX280TCG?
The NCP707BMX280TCG is stable with a minimum 1.0 µF ceramic output capacitor (X5R/X7R dielectric). The datasheet confirms stability down to 100 nF, but 1.0 µF is the recommended minimum for guaranteed phase margin across temperature and process variation. Larger values improve load transient response but are not required for basic stability.
Can the NCP707BMX280TCG operate with a 1.8 V input while delivering 2.8 V output?
No, the NCP707BMX280TCG cannot regulate 2.8 V output from a 1.8 V input. Its minimum input voltage must exceed the output voltage by at least the dropout voltage - 118 mV typical at 200 mA - meaning VIN ≥ 2.918 V is required for full-load regulation. At 1.8 V input, the device enters dropout and output collapses toward VIN minus pass transistor losses.
What is the thermal resistance (θJA) of the NCP707BMX280TCG in its XDFN-4 package?
The NCP707BMX280TCG in the XDFN-4 1.0×1.0 mm package has a typical junction-to-air thermal resistance (θJA) of 250°C/W when mounted on a 2 oz FR4 PCB with 100 mm² copper area. This value assumes proper EPAD soldering to the ground plane - inadequate thermal pad connection will significantly degrade actual θJA and risk thermal shutdown under sustained 200 mA load.
NCP707BMX280TCG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 4-XDFN Exposed Pad
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.8V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.175V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 35 µA
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 4-XDFN (1x1)
NCP707BMX280TCG FAQ
1.How can I place an order for NCP707BMX280TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP707BMX280TCG 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 NCP707BMX280TCG reliable?
The price and inventory of NCP707BMX280TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP707BMX280TCG is usually 5 days.
3.What payment methods are accepted for NCP707BMX280TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP707BMX280TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP707BMX280TCG?
NCP707BMX280TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP707BMX280TCG 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 NCP707BMX280TCG?
For technical support, including NCP707BMX280TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP707BMX280TCG requirements.
6.How does Aetrix verify that NCP707BMX280TCG is sourced from the original manufacturer or authorized distributors?
All NCP707BMX280TCG 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 NCP707BMX280TCG meets industry standards.
7.What is the process for return or replacement of NCP707BMX280TCG?
All NCP707BMX280TCG units undergo pre-shipment inspection (PSI). If there is an issue with NCP707BMX280TCG, 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 NCP707BMX280TCG part is unused and in its original packaging.
Return procedure for NCP707BMX280TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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