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onsemi NCP702MX30TCG
- Part No.:
- NCP702MX30TCG
- Manufacturer:
- onsemi
- Package:
- 6-XFDFN
- Datasheet:
-
NCP702MX30TCG.pdf
- Description:
- IC REG LINEAR 3V 200MA 6XDFN
- Quantity:
- Payment:
- Shipping:
Inventory:2,078
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Product details
Overview
NCP702MX30TCG from onsemi is a 200 mA ultra-low-noise, ultra-low-quiescent-current LDO voltage regulator with fixed 3.0 V output, 140 mV typical dropout at full load, ±2% output accuracy over temperature/load/line, and 11 µVRMS integrated output noise (100 Hz–100 kHz). It delivers stable clean power to RF signal chains, PLLs, and low-noise amplifiers in portable medical devices and wireless handsets.
For engineers reviewing the NCP702MX30TCG datasheet, pinout, applications, or equivalent options, this page provides verified package mapping (XDFN-6), validated pin functions, confirmed thermal shutdown and active discharge behavior, and real-world PSRR/load transient performance data for battery-powered precision analog designs.
Technical Context
The NCP702MX30TCG employs a PMOS pass transistor architecture enabling true reverse-current blocking and eliminating external diode requirements. Its adaptive ground current circuit reduces quiescent current to 10 µA at no load while maintaining regulation under 200 mA output current.
Internal bandgap reference, soft-start logic, and dedicated active discharge transistor (1 kΩ path) enable controlled turn-on and fast output discharge during disable. UVLO (1.6 V enable threshold) and thermal shutdown (160 °C trip) are fully integrated without external components.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 3.0 V ±2% over −40 °C to +125 °C, full load/line range - ensures stable bias for RF ICs without trimming. |
| Max Output Current | 200 mA continuous - supports single-core microcontrollers, Bluetooth SoCs, and sensor signal chains. |
| Dropout Voltage | 140 mV typical at 200 mA - enables operation from single-cell Li-ion (3.0 V min) down to 3.14 V input. |
| Quiescent Current | 10 µA typical at no load - extends battery life in always-on wearable sensors and IoT endpoints. |
| Output Noise | 11 µVRMS (100 Hz–100 kHz) - meets phase noise requirements for local oscillators in GPS/GNSS receivers. |
| PSRR | 68 dB at 1 kHz - suppresses switching noise from adjacent DC-DC converters feeding mixed-signal subsystems. |
| Enable Threshold | 0.9 V high / 0.4 V low - compatible with 1.8 V GPIOs and open-drain logic without level shifters. |
Pinout & Package
Package: XDFN-6 (1.5 mm × 1.5 mm, 0.5 mm pitch, wettable flank), RoHS-compliant, Pb-free.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 (IN) | Input supply connection | Accepts 2.0–5.5 V; requires local 1 µF ceramic capacitor to minimize trace inductance effects during load transients. |
| 2 (EN) | Logic-enable control input | Pulled internally to GND (110 nA); <0.4 V disables regulator and activates 1 kΩ active discharge path to GND. |
| 3 (N/C) | No-connect terminal | Internally unconnected; may be tied to GND for improved thermal dissipation per datasheet recommendation. |
| 4 (OUT) | Regulated output voltage | Delivers 3.0 V ±2%; stable with ≥1 µF X5R/X7R ceramic capacitor; ESR < 700 mΩ required. |
| 5 (GND) | Power ground reference | Low-impedance return path for IN, OUT, and EN; must be connected to solid ground plane for noise immunity. |
| 6 (N/C) | No-connect terminal | Internally unconnected; may be tied to GND for improved thermal dissipation per datasheet recommendation. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low noise without bypass cap | 11 µVRMS achieved with only 1 µF output capacitor - eliminates BOM cost and PCB area for secondary noise filter. |
| Adaptive ground current | 10 µA IQ at no load rising to 160 µA at 200 mA - balances standby efficiency and dynamic response in intermittent-use devices. |
| Active output discharge | 1 kΩ internal pull-down activated during disable - ensures rapid VOUT decay (<1 ms for 1 µF) to prevent latch-up in multi-rail systems. |
| Stable with small ceramic caps | Guaranteed stability with 1 µF ±10% X5R/X7R MLCC - avoids tantalum's temperature-dependent ESR and cost premium. |
| Integrated protection | Thermal shutdown (160 °C), current limit (385 mA typ), and UVLO (1.6 V) - removes need for external fault management circuitry. |
Applications
| GPS/GNSS Receiver Power | Wireless Handset RF Front-End |
|---|---|
|
Use Scenario: Powering LNA, mixer, and VCO stages in compact GNSS modules where board space and EMI are critical. IC Role / Device Role / Timing Role: Ultra-low-noise 3.0 V bias source for analog RF signal chain; replaces discrete RC filters and larger LDOs. Use Value: 11 µVRMS noise and 68 dB PSRR at 1 kHz directly improve carrier-to-noise ratio (C/N₀) by >2 dB in weak-signal acquisition. |
Use Scenario: Supplying Bluetooth 5.0/BLE SoC analog peripherals (ADC, DAC, radio synthesizer) in hearing aids and wearables. IC Role / Device Role / Timing Role: Primary 3.0 V LDO for noise-sensitive RF sections; enabled via host MCU GPIO. Use Value: 10 µA quiescent current extends battery runtime beyond 7 days in coin-cell-powered BLE beacon applications. |
| Portable Medical Sensor Hub | Smartphone Camera Module Bias |
|
Use Scenario: Providing clean 3.0 V to ECG/PPG analog front-ends and ADC drivers in FDA-cleared patient monitors. IC Role / Device Role / Timing Role: Precision voltage reference for signal conditioning; operates across −20 °C to +70 °C ambient. Use Value: ±2% output accuracy and <2.6 mV load regulation ensure consistent gain calibration across battery discharge cycles. |
Use Scenario: Biasing CMOS image sensor analog blocks (pixel array, column ADC) during high-speed capture sequences. IC Role / Device Role / Timing Role: Fast-transient 3.0 V supply with 140 mV dropout - maintains regulation during burst current demands up to 200 mA. Use Value: Load transient response limits VOUT deviation to ±30 mV (1 mA ↔ 200 mA step), preventing image sensor reset glitches. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6210B302MR-G | 300 mA rated, 250 mV dropout at 300 mA, 25 µVRMS noise, no active discharge | Lacks active output discharge; higher noise limits use in VCO/PLL circuits | Select when higher output current is needed and fast turn-off is not required. |
| Diodes Inc. AP7361-C30W5-7 | 300 mA rated, 300 mV dropout at 300 mA, 30 µVRMS noise, 1.5 µA IQ | Higher dropout and noise; no thermal shutdown or UVLO | Choose for ultra-low-IQ battery monitoring where noise and protection are secondary. |
Compared with XC6210B302MR-G and AP7361-C30W5-7, the NCP702MX30TCG uniquely combines 10 µA IQ, 11 µVRMS noise, active discharge, and full protection set in a 1.5×1.5 mm XDFN package - making it optimal for space-constrained, noise-critical RF and medical applications.
Availability
NCP702MX30TCG is available at Aetrix Electronics and suitable for GPS receivers, wireless handsets, and portable medical equipment requiring stable component supply, long-term lifecycle support, and guaranteed Pb-free compliance.
Supply support for NCP702MX30TCG 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 (Nasdaq: ON) is a global semiconductor leader delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The NCP702MX30TCG belongs to onsemi's high-performance LDO family designed specifically for noise-sensitive portable electronics - emphasizing ultra-low IQ, minimal footprint, and integrated reliability features without external components.
FAQ
What is the maximum input voltage rating for the NCP702MX30TCG?
The NCP702MX30TCG has an absolute maximum input voltage of 6 V. Operation above 5.5 V violates the recommended operating conditions and risks permanent damage. For reliable long-term use, VIN must remain between 2.0 V and 5.5 V, with 3.0 V output requiring minimum 3.14 V input due to 140 mV dropout.
Does the NCP702MX30TCG require an external noise bypass capacitor?
No, the NCP702MX30TCG achieves 11 µVRMS output noise (100 Hz–100 kHz) without any external noise bypass capacitor. This is enabled by its internal low-noise bandgap and optimized regulator architecture - reducing BOM count and PCB area versus legacy LDOs that mandate 10 nF–100 nF bypass caps.
How does the active discharge function operate in the NCP702MX30TCG?
When the EN pin voltage falls below 0.4 V, the NCP702MX30TCG disables its pass transistor and activates an internal 1 kΩ discharge path from OUT to GND. This pulls the output voltage to near-zero within milliseconds (e.g., <1 ms for 1 µF load), preventing unintended power-up of downstream circuitry during system sleep states.
What output capacitor is required for stability with the NCP702MX30TCG?
The NCP702MX30TCG is stable with a minimum 1.0 µF ceramic capacitor (X5R or X7R dielectric, ±10% tolerance, 0402 or 1206 size). The capacitor's ESR must be <700 mΩ; tantalum capacitors are not recommended due to high/temperature-variable ESR. Larger values (e.g., 4.7 µF) improve PSRR above 10 kHz.
Is the NCP702MX30TCG pin-compatible with other variants in the NCP702 family?
Yes, all NCP702 variants - including NCP702MX30TCG (3.0 V fixed), NCP702MX25TCG (2.5 V), and NCP702MX18TCG (1.8 V) - share identical XDFN-6 pinout, thermal pad layout, and electrical interface. Only the output voltage differs; no PCB redesign is needed when selecting alternate fixed-output versions.
NCP702MX30TCG Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- 6-XFDFN
- 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):
- 3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- -
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 16 µA
- Current - Supply (Max):
- -
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature, Soft Start, Under Voltage Lockout (UVLO)
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-XDFN (1.5x1.5)
NCP702MX30TCG FAQ
1.How can I place an order for NCP702MX30TCG through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP702MX30TCG 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 NCP702MX30TCG reliable?
The price and inventory of NCP702MX30TCG are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP702MX30TCG is usually 5 days.
3.What payment methods are accepted for NCP702MX30TCG?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP702MX30TCG transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP702MX30TCG?
NCP702MX30TCG orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP702MX30TCG 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 NCP702MX30TCG?
For technical support, including NCP702MX30TCG datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP702MX30TCG requirements.
6.How does Aetrix verify that NCP702MX30TCG is sourced from the original manufacturer or authorized distributors?
All NCP702MX30TCG 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 NCP702MX30TCG meets industry standards.
7.What is the process for return or replacement of NCP702MX30TCG?
All NCP702MX30TCG units undergo pre-shipment inspection (PSI). If there is an issue with NCP702MX30TCG, 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 NCP702MX30TCG part is unused and in its original packaging.
Return procedure for NCP702MX30TCG:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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