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onsemi NCP699SN15T1G
- Part No.:
- NCP699SN15T1G
- Manufacturer:
- onsemi
- Package:
- SOT-23-5 Thin, TSOT-23-5
- Datasheet:
-
NCP699SN15T1G.pdf
- Description:
- IC REG LINEAR 1.5V 150MA 5TSOP
- Quantity:
- Payment:
- Shipping:
Inventory:1,318
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Product details
Overview
NCP699SN15T1G from onsemi is a fixed-output CMOS low-dropout (LDO) voltage regulator delivering 1.5 V at up to 150 mA, featuring 40 µA typical ground current, 340 mV dropout at full load, ±2.0% output voltage accuracy, and operation across −40 °C to +85 °C - designed for battery-powered portable electronics requiring ultra-low quiescent power.
For engineers reviewing the NCP699SN15T1G datasheet, pinout, applications, or equivalent options, key selection criteria include its TSOP-5 package footprint, enable control with sub-1 V logic compatibility, stability with 1 µF ceramic capacitors, and thermal protection with junction shutdown at ~160 °C.
Technical Context
The NCP699SN15T1G integrates a PMOS pass transistor, precision voltage reference, error amplifier, and internal feedback resistors to deliver a stable 1.5 V output without external components. Its enable input supports active-high logic with 0.3 V (low) and 0.95 V (high) thresholds, allowing direct interfacing with low-voltage microcontrollers.
Dropout voltage is specified at 340 mV (typical) under 150 mA load and 3.0 V nominal output - for the NCP699SN15T1G, this translates to minimum input of 1.84 V to maintain regulation. Ground current remains constant at 40 µA (typ) across load (1–150 mA) and temperature (−40 to +85 °C), enabling predictable battery life estimation.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | Fixed 1.5 V ±2.0% over −40 °C to +85 °C - ensures stable core/sensor rail in portable devices without trimming. |
| Max Output Current | 150 mA continuous - sufficient for low-power microcontrollers, RF transceivers, or sensor signal chains. |
| Dropout Voltage | 340 mV (typ) at 150 mA - enables operation from single-cell Li-ion (3.0 V min) or two-cell alkaline (3.2 V min) with margin. |
| Ground Current | 40 µA (typ), independent of load - extends battery runtime in always-on or sleep-mode applications. |
| Enable Threshold | Logic-high threshold = 0.95 V (min), logic-low = 0.3 V (max) - compatible with 1.2 V/1.8 V I/O domains without level shifters. |
| Capacitor Stability | Stable with ≥1 µF ceramic or tantalum output capacitor - eliminates need for high-ESR or specialized caps. |
| Thermal Protection | Internal shutdown activates at ~160 °C junction temperature - prevents damage during sustained overload or poor PCB thermal design. |
Pinout & Package
Package: TSOP-5 (SOT-23-5, Case 483), 3.00 × 1.50 × 0.95 mm, Pb-free, surface-mount.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 | Vin | Input supply pin - accepts 2.1 V to 6.0 V; must be decoupled with ≥1 µF capacitor near package. |
| 2 | Gnd | Power ground reference - requires low-impedance connection to PCB ground plane to minimize noise and dropout variation. |
| 3 | Enable | Active-high digital control - pull to Vin to enable; pull ≤0.3 V to disable (IDIS ≤1.0 µA). |
| 4 | N/C | No internal connection - must remain unconnected; not usable as thermal pad or auxiliary terminal. |
| 5 | Vout | Regulated 1.5 V output - requires ≥1 µF output capacitor; ESR from 0 to 5 Ω supported without instability. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low quiescent current | 40 µA typical, constant across load and temperature - enables multi-year battery life in IoT endpoints. |
| Low-noise regulation | 100 µVRMS output noise (100 Hz–100 kHz) - suitable for analog sensors and ADC reference rails. |
| High ripple rejection | 55 dB at 120 Hz, 50 dB at 1 kHz - suppresses switching noise from upstream DC/DC converters. |
| Precision output accuracy | ±2.0% over full temperature and load range - eliminates need for post-regulation calibration in cost-sensitive designs. |
| Robust protection suite | Current limit (240 mA typ), thermal shutdown (~160 °C), and ESD rated to 2000 V HBM - enhances field reliability. |
Applications
| Wearable Health Monitor | Bluetooth Low Energy Module |
|---|---|
|
Use Scenario: Continuous ECG/PPG sensing powered by coin-cell or small Li-poly battery. IC Role / Device Role / Timing Role: Primary 1.5 V supply for analog front-end and ultra-low-power MCU. Use Value: 40 µA ground current extends battery life beyond 12 months; 1.5 V output matches ADC reference and op-amp bias requirements. |
Use Scenario: Compact BLE beacon or sensor node operating from single 3.0 V Li-ion cell. IC Role / Device Role / Timing Role: Post-regulator for BLE SoC I/O and radio section requiring clean, stable 1.5 V. Use Value: 340 mV dropout allows >90% depth-of-discharge utilization; 55 dB ripple rejection isolates RF performance from DC/DC switching noise. |
| Industrial Handheld Scanner | Smart Home Sensor Hub |
|
Use Scenario: Ruggedized barcode scanner with laser diode driver and CMOS imager. IC Role / Device Role / Timing Role: Dedicated 1.5 V rail for image sensor interface and FPGA configuration logic. Use Value: ±2.0% output accuracy ensures consistent pixel response; TSOP-5 footprint saves board space in tight mechanical envelopes. |
Use Scenario: Battery-backed Zigbee/Z-Wave hub supporting multiple environmental sensors. IC Role / Device Role / Timing Role: Always-on LDO supplying real-time clock, memory backup, and wake-up controller. Use Value: Enable pin allows host MCU to power-cycle peripheral rails; 1 µF capacitor compatibility simplifies BOM with standard MLCCs. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| MCP1700T-1502E/TT | 1.5 V fixed, 250 mA, 1.6 µA quiescent current, SOT-23-3 (no enable) | Lacks enable control and thermal shutdown; lower IQ but no fault protection | Choose only if enable and thermal protection are unnecessary and lowest possible IQ is critical. |
| Torex XC6206P152MR-G | 1.5 V fixed, 250 mA, 1 µA IQ, SOT-23-3, no enable, no thermal shutdown | No enable pin or thermal protection; higher max current but less robust in overload conditions | Prefer when minimal standby power dominates over safety features and system-level control. |
Compared with MCP1700T-1502E/TT and XC6206P152MR-G, the NCP699SN15T1G trades slightly higher quiescent current (40 µA vs. sub-2 µA) for integrated enable control, thermal shutdown, and guaranteed 150 mA delivery - making it suitable for systems requiring safe, controllable, and robust regulation rather than absolute minimum IQ.
Availability
NCP699SN15T1G is available at Aetrix Electronics and suitable for wearable health monitors, Bluetooth Low Energy modules, and industrial handheld scanners requiring stable component supply, long-lifecycle support, and Pb-free compliance.
Supply support for NCP699SN15T1G 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, with leadership in power management, analog, and sensor technologies.
The NCP699SN15T1G belongs to the NCP699 family of ultra-low-IQ LDOs engineered specifically for battery-powered portable equipment - emphasizing extended runtime, small footprint, and ease of use with minimal external components.
FAQ
What is the maximum input voltage rating for the NCP699SN15T1G?
The NCP699SN15T1G has an absolute maximum input voltage (Vin) rating of 6.0 V. Operation above this voltage risks permanent damage. The recommended operating range is 2.1 V to 6.0 V, with dropout performance optimized when Vin exceeds Vout by ≥1.0 V - for the NCP699SN15T1G's 1.5 V output, this means Vin ≥ 2.5 V for full 150 mA capability.
Does the NCP699SN15T1G require an external resistor network to set output voltage?
No, the NCP699SN15T1G is a fixed-output LDO with internally trimmed 1.5 V regulation. It contains no external feedback pins or resistor connections - the output voltage is factory-set and does not require external components for adjustment. This simplifies layout and reduces BOM count compared to adjustable LDOs.
Can the NCP699SN15T1G be used with ceramic capacitors smaller than 1 µF?
No - the NCP699SN15T1G is specified and characterized for stability with ≥1 µF ceramic or tantalum output capacitance. Using smaller values may cause oscillation or degraded transient response. The datasheet explicitly recommends 1.0 µF as the minimum, and TDK part numbers C2012X5R1C105K and C1608X5R1A105K are validated for use with the NCP699SN15T1G.
What happens to the output of the NCP699SN15T1G when the Enable pin is left floating?
The Enable pin of the NCP699SN15T1G must never be left floating. If unused, it must be tied directly to Vin to ensure reliable turn-on. A floating Enable pin can result in unpredictable device state - potentially causing intermittent regulation, increased ground current, or failure to start. The internal pull-down is insufficient to guarantee disable state; external biasing is required for deterministic behavior.
Is the NCP699SN15T1G still in active production according to onsemi documentation?
No - per onsemi's NCP699/D datasheet Revision 9 (February 2026), the NCP699SN15T1G is marked as discontinued. However, Aetrix Electronics maintains legacy inventory and provides lifecycle coordination support, including last-time-buy planning and cross-reference guidance for functionally aligned alternatives where appropriate.
NCP699SN15T1G Specifications
- Product attributes
- Attribute value
- Manufacturer:
- onsemi
- Series:
- -
- Package/Case:
- SOT-23-5 Thin, TSOT-23-5
- 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):
- 1.5V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.75V @ 150mA
- Current - Output:
- 150mA
- Current - Quiescent (Iq):
- 90 µA
- Current - Supply (Max):
- -
- PSRR:
- 55dB ~ 50dB (120Hz ~ 1kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 85°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 5-TSOP
NCP699SN15T1G FAQ
1.How can I place an order for NCP699SN15T1G through Aetrix?
Please submit a Request for Quotation (RFQ) for NCP699SN15T1G 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 NCP699SN15T1G reliable?
The price and inventory of NCP699SN15T1G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for NCP699SN15T1G is usually 5 days.
3.What payment methods are accepted for NCP699SN15T1G?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for NCP699SN15T1G transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for NCP699SN15T1G?
NCP699SN15T1G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your NCP699SN15T1G 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 NCP699SN15T1G?
For technical support, including NCP699SN15T1G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your NCP699SN15T1G requirements.
6.How does Aetrix verify that NCP699SN15T1G is sourced from the original manufacturer or authorized distributors?
All NCP699SN15T1G 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 NCP699SN15T1G meets industry standards.
7.What is the process for return or replacement of NCP699SN15T1G?
All NCP699SN15T1G units undergo pre-shipment inspection (PSI). If there is an issue with NCP699SN15T1G, 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 NCP699SN15T1G part is unused and in its original packaging.
Return procedure for NCP699SN15T1G:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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