onsemi NCP562SQ28T1G
- Part No.:
- NCP562SQ28T1G
- Manufacturer:
- onsemi
- Package:
- SC-82A, SOT-343
- Datasheet:
-
NCP562SQ28T1G.pdf
- Description:
- IC REG LINEAR 2.8V 80MA SC82AB
- Quantity:
- Payment:

- Shipping:

Inventory:982
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Product details
Overview
NCP562SQ28T1G from onsemi is a fixed-output, low-dropout linear voltage regulator with 2.8 V output, 80 mA output current capability, ultra-low 2.5 µA quiescent current, and enable control. It serves as a power management IC for battery-powered portable electronics where standby power efficiency and small footprint are critical.
For engineers reviewing the NCP562SQ28T1G datasheet, pinout, applications, or equivalent options, key selection criteria include dropout voltage at 80 mA (230 mV), ±2.0% output accuracy, −40 °C to +85 °C operating range, SC82-AB package compatibility, and enable logic threshold (1.3 V high / 0.3 V low).
Technical Context
The NCP562SQ28T1G integrates a PMOS pass transistor, error amplifier, voltage reference, thermal shutdown, and current limit protection. Its enable input provides ON/OFF control with defined logic thresholds (VTH(HI) = 1.3 V, VTH(LO) = 0.3 V), and it operates stably with ceramic output capacitors as low as 0.1 µF.
Designed for handheld communication equipment, it delivers regulated 2.8 V output across input voltages from 3.8 V to 6.0 V, with dropout voltage specified at 230 mV (typical) at 80 mA and −40 °C to +85 °C ambient temperature.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 2.8 V ±2.0% - tightly regulated rail for 2.8 V logic or analog circuitry |
| Max Output Current | 80 mA - sufficient for microcontrollers, sensors, or RF front-end biasing |
| Quiescent Current | 2.5 µA typical - enables multi-year battery life in always-on sensor nodes |
| Dropout Voltage | 230 mV @ 80 mA - supports operation down to Vin = 3.03 V while maintaining regulation |
| Input Voltage Range | Up to 6.0 V - compatible with single-cell Li-ion (4.2 V max) and dual-cell alkaline (3.2 V fresh) |
| Enable Threshold | VEN(HI) = 1.3 V, VEN(LO) = 0.3 V - compatible with 1.8 V/3.3 V GPIO without level-shifting |
| Operating Temp | −40 °C to +85 °C - suitable for industrial and consumer portable environments |
Pinout & Package
The NCP562SQ28T1G is housed in the SC82-AB (Case 419C) surface-mount package - a 4-pin, 2.2 mm × 1.35 mm × 0.95 mm micro-miniature leadless package with 0.65 mm pitch.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | GND | Power ground reference; must be connected to low-impedance PCB plane for stability and noise immunity |
| 2 | Vin | Input supply pin; accepts 3.03 V to 6.0 V; requires local 1.0 µF ceramic decoupling |
| 3 | Vout | Regulated 2.8 V output; stable with ≥0.1 µF ceramic capacitor; drives load up to 80 mA |
| 4 | Enable | Digital control input; pulls high (>1.3 V) to activate regulator, low (<0.3 V) to disable (IQ ≤ 0.1 µA) |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low IQ | 2.5 µA typical - extends battery runtime in sleep-mode applications without sacrificing startup speed |
| Stable with 0.1 µF COUT | Eliminates need for large or specialized ESR capacitors; reduces BOM cost and board area |
| Integrated protection | Thermal shutdown and current limiting prevent damage during overload or poor heatsinking |
| SC82-AB package | 0.65 mm pitch, 2.2 × 1.35 mm footprint - ideal for space-constrained wearables and IoT edge nodes |
| ±2.0% output accuracy | Ensures reliable operation of 2.8 V–tolerant peripherals (e.g., BLE radios, ADC references) across temp and load |
Applications
| Wearable Health Monitor | Bluetooth LE Sensor Node |
|---|---|
Use Scenario: Continuous ECG and SpO₂ sensing powered by coin cell or rechargeable Li-Poly battery. IC Role / Device Role / Timing Role: Primary 2.8 V power rail regulator for analog front-end, MCU, and BLE transceiver. Use Value: 2.5 µA quiescent current enables >3-year battery life in sleep mode; 230 mV dropout allows full utilization of declining battery voltage. | Use Scenario: Compact environmental sensor (temp/humidity/pressure) transmitting data via Bluetooth Low Energy. IC Role / Device Role / Timing Role: Enables precise 2.8 V supply to sensor ICs and BLE SoC during active and deep-sleep cycles. Use Value: Enable pin synchronizes power delivery with radio transmit bursts, reducing average system current by >90% during idle. |
| Portable Barcode Scanner | Handheld Medical Diagnostic Tool |
Use Scenario: Battery-operated laser or CMOS image-based scanner used in retail or logistics. IC Role / Device Role / Timing Role: Supplies clean, low-noise 2.8 V to image sensor and decoding ASIC during brief activation pulses. Use Value: 100 µVRMS output noise and fast transient response ensure accurate image capture without corruption from supply ripple. | Use Scenario: Field-deployable point-of-care device (e.g., glucose meter, pulse oximeter) requiring FDA-aligned reliability. IC Role / Device Role / Timing Role: Regulates 2.8 V for precision analog signal chain and display driver in battery-only operation. Use Value: ±2.0% output accuracy and −40 °C to +85 °C rating guarantee consistent measurement fidelity across clinical environments. |
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 mV dropout @ 250 mA, 1.6 µA IQ, SOT-23-3 (no enable) | Lacks enable pin; higher current but larger package; no thermal shutdown | Choose when enable control is unnecessary and higher output current is required. |
| TCS2117-2.8 | 200 mV dropout @ 150 mA, 3.5 µA IQ, SC70-5 (enable + bypass) | Includes noise-reduction bypass pin; slightly higher IQ; same SC70 footprint family | Prefer when ultra-low noise (bypass-capable) and marginally lower dropout are prioritized over minimal IQ. |
Compared with MCP1700T-2802E/TT and TCS2117-2.8, the NCP562SQ28T1G offers the lowest quiescent current (2.5 µA) in a 4-pin SC82-AB package with integrated enable and thermal protection - making it optimal for space- and energy-constrained portable designs requiring robust, controllable 2.8 V regulation.
Availability
NCP562SQ28T1G is available at Aetrix Electronics and suitable for wearable health monitors, Bluetooth LE sensor nodes, and portable diagnostic tools requiring stable component supply, long-term lifecycle support, and RoHS-compliant packaging.
Supply support for NCP562SQ28T1G 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 delivering energy-efficient, intelligent power and sensing solutions for automotive, industrial, cloud, medical, and IoT applications.
The NCP562 series belongs to onsemi's low-power linear regulator product line, engineered specifically for battery-powered portable electronics demanding ultra-low quiescent current, small footprint, and high accuracy in harsh thermal environments.
FAQ
What is the maximum input voltage for the NCP562SQ28T1G?
The NCP562SQ28T1G supports a maximum input voltage of 6.0 V, as specified in its Absolute Maximum Ratings table. Exceeding this voltage may damage the device. For reliable operation with margin, design input rails to remain ≤5.5 V under worst-case conditions including ripple and transients.
Does the NCP562SQ28T1G require an external capacitor on the enable pin?
No, the NCP562SQ28T1G does not require an external capacitor on the enable pin. The enable input is CMOS-compatible and functions as a digital control signal; it should be driven directly by a GPIO or open-drain output. If left unconnected, the enable pin must be tied to Vin to ensure normal operation of the NCP562SQ28T1G.
What is the minimum output capacitance required for stability with the NCP562SQ28T1G?
The NCP562SQ28T1G is stable with a minimum output capacitance of 0.1 µF ceramic. This value is verified across all operating conditions per the datasheet. Larger values (e.g., 1.0 µF) improve load transient response and noise rejection but are not required for basic stability of the NCP562SQ28T1G.
Is the NCP562SQ28T1G pin-compatible with the NCP563SQ28T1G?
No, the NCP562SQ28T1G is not pin-compatible with the NCP563SQ28T1G. While both use the SC82-AB package, Pin 4 of the NCP562SQ28T1G is Enable, whereas Pin 4 of the NCP563SQ28T1G is No Connect (N/C). Swapping them without board revision will result in loss of enable functionality or undefined behavior in the NCP562SQ28T1G circuit.
What is the thermal shutdown threshold for the NCP562SQ28T1G?
The NCP562SQ28T1G activates thermal shutdown at approximately 160 °C junction temperature, as stated in the Definitions section of the datasheet. Once triggered, the device disables output until junction temperature falls below the hysteresis threshold (~140 °C), protecting against permanent damage during sustained overload or inadequate PCB thermal relief.
NCP562SQ28T1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SC-82A, SOT-343
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Obsolete
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 1
- Voltage - Input (Max):
- 6V
- Voltage - Output (Min/Fixed):
- 2.8V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.4V @ 80mA
- Current - Output:
- 80mA
- Current - Quiescent (Iq):
- 1 µA
- Current - Supply (Max):
- 6 µA
- PSRR:
- -
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- SC-82AB
NCP562SQ28T1G FAQ
1.How can I place an order for NCP562SQ28T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP562SQ28T1G 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 NCP562SQ28T1G reliable?
The price and inventory of NCP562SQ28T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP562SQ28T1G is usually 5 days.
3.What payment methods are accepted for NCP562SQ28T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP562SQ28T1G transactions.
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4.How is shipping managed for NCP562SQ28T1G?
NCP562SQ28T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP562SQ28T1G 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 NCP562SQ28T1G?
For technical support, including NCP562SQ28T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP562SQ28T1G requirements.
6.How does Aetrix verify that NCP562SQ28T1G is sourced from the original manufacturer or authorized distributors?
All NCP562SQ28T1G 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 NCP562SQ28T1G meets industry standards.
7.What is the process for return or replacement of NCP562SQ28T1G?
All NCP562SQ28T1G units undergo pre-shipment inspection (PSI). If there is an issue with NCP562SQ28T1G, 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 NCP562SQ28T1G part is unused and in its original packaging.
Return procedure for NCP562SQ28T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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