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NXP Semiconductors LD6806F/33H,115
- Part No.:
- LD6806F/33H,115
- Manufacturer:
- NXP Semiconductors
- Package:
- 6-XFDFN
- Datasheet:
-
LD6806F/33H,115.pdf
- Description:
- IC REG LINEAR 3.3V 200MA 6XSON
- Quantity:
- Payment:
- Shipping:
Inventory:2,254
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Product details
Overview
LD6806F/33H,115 from NXP Semiconductors is a 3.3 V, 200 mA ultra-low-dropout linear regulator in SOT886 (XSON6) package with 80 mV typical dropout at full load, 30 µVRMS output noise (10 Hz–100 kHz), and active-high enable pin-designed for power-sensitive mobile handset and media player subsystems requiring stable low-noise bias.
For engineers reviewing the LD6806F/33H,115 datasheet, LD6806F/33H,115 pinout, LD6806F/33H,115 application, or LD6806F/33H,115 equivalent, key selection criteria include its high-ohmic (3-state) output during disable, thermal shutdown at 160 °C, ±0.5 % output voltage accuracy at +25 °C, and compatibility with 1 µF X7R ceramic output capacitors.
Technical Context
The LD6806F/33H,115 implements a PMOS pass transistor architecture enabling ultra-low dropout and fast 200 µs startup. Its internal reference generator and error amplifier maintain regulation across input voltages from 2.3 V to 5.5 V while rejecting supply ripple with 55 dB PSRR at 1 kHz.
Thermal protection triggers at 160 °C junction temperature with 20 K hysteresis, and overcurrent limiting engages at ~600 mA short-circuit current. The device operates across −40 °C to +85 °C ambient and supports stable operation with 1.0 µF minimum output capacitance and ≤500 mΩ ESR.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage | 3.3 V nominal; ±0.5 % tolerance at +25 °C ensures precise biasing of 3.3 V logic and analog circuitry without external trimming. |
| Dropout Voltage | 80 mV typical at 200 mA; enables regulation down to VIN = 3.38 V, maximizing battery runtime in single-cell Li-ion or Li-poly systems. |
| Noise (RMS) | 30 µV RMS (10 Hz–100 kHz); low enough for powering RF front-ends, ADC references, and audio codecs without added filtering. |
| PSRR | −55 dB at 1 kHz; suppresses switching noise from upstream DC-DC converters, reducing need for additional LC filtering. |
| Enable Threshold | VIH = 1.4 V min, VIL = 0.4 V max; compatible with 1.8 V and 3.3 V GPIOs without level-shifting. |
| Quiescent Current | 70–100 µA operating; drops to 0.1–1.0 µA in shutdown-critical for always-on sensor nodes and standby power domains. |
| Thermal Shutdown | 160 °C trigger with 20 K hysteresis; prevents permanent damage during sustained overload or poor PCB thermal design. |
Pinout & Package
SOT886 (XSON6) plastic extremely thin small outline package, no leads, 6-terminal, body size 1.0 mm × 1.45 mm × 0.5 mm, Pb-free and RoHS compliant.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| OUT (Pin 1) | Regulated output voltage | Delivers stable 3.3 V to load; high-ohmic (3-state) when EN = LOW-prevents backfeeding in multi-rail systems. |
| n.c. (Pin 2) | No connection | Internally unconnected; must be left floating or tied to GND per layout best practice-no routing required. |
| GND (Pin 3) | Supply ground reference | Primary return path for load and quiescent current; requires low-inductance connection to PCB ground plane. |
| EN (Pin 4) | Enable control input | Active-HIGH logic interface; drives internal pass transistor-pull-down resistor not required for default OFF state. |
| n.c. (Pin 5) | No connection | Internally unconnected; same handling as Pin 2-no electrical function. |
| IN (Pin 6) | Input supply voltage | Accepts 2.3–5.5 V; requires local 1 µF ceramic decoupling within 2 mm of pin to ensure stability and transient response. |
Key Features
| Feature | Design Value |
|---|---|
| Ultra-low dropout | 80 mV at 200 mA enables use with <3.4 V inputs-ideal for single-cell battery-powered applications. |
| Low-noise regulation | 30 µVRMS noise supports noise-sensitive analog circuits without external LDO post-filtering. |
| Fast start-up | 200 µs to reach 95 % of 3.3 V output allows rapid power sequencing in portable devices. |
| High-ohmic disable | Output floats to high-impedance state when disabled-eliminates cross-conduction in multi-supply domains. |
| Integrated ESD protection | 10 kV HBM rating protects against handling damage during assembly and field operation. |
Applications
| Mobile Phone Baseband | Wireless Headset Audio Codec |
|---|---|
Use Scenario: Powering baseband processor I/O banks and memory interfaces in slim smartphone designs where board space and thermal headroom are constrained. IC Role / Device Role / Timing Role: Primary 3.3 V LDO supplying core logic rails with tight voltage tolerance and low noise to meet JEDEC signaling margins. Use Value: 80 mV dropout extends usable battery range by >15 minutes under 200 mA load; 30 µV noise prevents bit errors in high-speed DDR I/O. | Use Scenario: Biasing stereo audio DAC/ADC and Class AB headphone driver in Bluetooth earbuds with strict EMI and THD+N requirements. IC Role / Device Role / Timing Role: Low-noise analog supply rail decoupled from noisy digital DC-DC converter outputs. Use Value: 55 dB PSRR at 1 kHz attenuates switching ripple from 2 MHz buck converter; 0.1 µA shutdown current preserves battery life during idle mode. |
| Portable Media Player SD Card Interface | Wearable Sensor Hub Core Logic |
Use Scenario: Providing regulated 3.3 V to SDIO host controller and flash memory in handheld music players with variable battery voltage. IC Role / Device Role / Timing Role: Stable interface supply ensuring reliable SD card initialization and high-speed data transfer across full battery discharge curve. Use Value: ±0.5 % output accuracy maintains SD card command timing compliance; 200 µs startup meets UHS-I initialization window. | Use Scenario: Powering ARM Cortex-M0+ MCU, MEMS accelerometer, and BLE radio subsystem in compact fitness trackers. IC Role / Device Role / Timing Role: Always-on domain regulator enabling wake-on-motion while minimizing quiescent consumption. Use Value: 0.1 µA shutdown current extends 2-week battery life; thermal shutdown prevents overheating in sealed plastic enclosures. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6219B332MR-G | 300 mA rated, 150 mV dropout at 200 mA, SOT-25 package, no thermal shutdown | Lacks thermal protection and has higher dropout-unsuitable for thermally constrained or battery-critical designs | Select only if higher output current is needed and thermal margin is guaranteed via heatsinking |
| Richtek RT9013-33GB | 300 mA rated, 250 mV dropout at 200 mA, SOT-23-5, 45 µVRMS noise, no enable pin | Fixed ON operation and higher noise-requires external enable switch and additional filtering for sensitive analog loads | Choose only for cost-sensitive, non-thermal, non-noise-critical applications with fixed-enable requirement |
Compared with XC6219B332MR-G and RT9013-33GB, LD6806F/33H,115 delivers superior thermal safety, lower dropout for extended battery life, and integrated enable control-making it optimal for space-constrained, battery-powered consumer electronics where reliability and efficiency are prioritized.
Availability
LD6806F/33H,115 is available at Aetrix Electronics and suitable for mobile phone handsets, wireless headsets, portable media players, and wearable sensor hubs requiring stable component supply with consistent parametric performance and long-term lifecycle support.
Supply support for LD6806F/33H,115 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
NXP Semiconductors is a global semiconductor company headquartered in Eindhoven, Netherlands, specializing in secure connectivity solutions for automotive, industrial, and consumer markets.
The LD6806 series was designed specifically for miniaturized portable electronics requiring ultra-low-noise, ultra-low-dropout regulation in wafer-level and leadless packages-targeting mobile handsets, cordless phones, and personal digital assistants.
FAQ
What is the maximum input voltage rating for LD6806F/33H,115?
The LD6806F/33H,115 supports a maximum input voltage of +6.0 V for transient conditions up to 4 ms, with recommended continuous operation between 2.3 V and 5.5 V. Exceeding 5.5 V continuously risks exceeding thermal limits due to increased power dissipation in the pass transistor, especially at high ambient temperatures or poor PCB thermal design.
Does LD6806F/33H,115 require an external output capacitor, and what type is recommended?
Yes, LD6806F/33H,115 requires a minimum 1.0 µF X7R ceramic output capacitor with ESR between 5 mΩ and 500 mΩ for stability. The datasheet specifies X7R dielectric for full −40 °C to +125 °C operation, and recommends placement within 2 mm of the OUT and GND pins to minimize parasitic inductance and ensure robust transient response.
What happens to the output of LD6806F/33H,115 when the EN pin is driven LOW?
When EN is driven LOW (≤0.4 V), LD6806F/33H,115 enters shutdown mode and places the OUT pin in a high-ohmic (3-state) floating condition-no pull-down or pull-up is activated. This prevents backfeeding into other power domains and eliminates leakage paths, making it suitable for multi-rail systems with independent power sequencing.
How does the thermal protection of LD6806F/33H,115 operate?
LD6806F/33H,115 features thermal shutdown that activates at 160 °C junction temperature, disabling the output until junction temperature falls by 20 K (to ~140 °C) before automatic recovery. This hysteresis prevents oscillation near the trip point and protects the silicon die during sustained overload or inadequate PCB copper area-verified per NXP's NX2-00001 reliability standard.
Is LD6806F/33H,115 compatible with lead-free reflow soldering processes?
Yes, LD6806F/33H,115 is Pb-free and RoHS compliant, qualified for lead-free reflow per J-STD-020C. Its SOT886 package (volume <350 mm³, thickness <1.6 mm) requires a peak reflow temperature of 260 °C. Moisture sensitivity level (MSL) must be observed-baking may be required if exposed beyond floor life per packaging label.
LD6806F/33H,115 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- NXP Semiconductors
- 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):
- 3.3V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.13V @ 200mA
- Current - Output:
- 200mA
- Current - Quiescent (Iq):
- 100 µA
- Current - Supply (Max):
- 250 µA
- PSRR:
- 55dB (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:
- 6-XSON, SOT886 (1.45x1)
LD6806F/33H,115 FAQ
1.How can I place an order for LD6806F/33H,115 through Aetrix?
Please submit a Request for Quotation (RFQ) for LD6806F/33H,115 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 LD6806F/33H,115 reliable?
The price and inventory of LD6806F/33H,115 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for LD6806F/33H,115 is usually 5 days.
3.What payment methods are accepted for LD6806F/33H,115?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for LD6806F/33H,115 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for LD6806F/33H,115?
LD6806F/33H,115 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your LD6806F/33H,115 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 LD6806F/33H,115?
For technical support, including LD6806F/33H,115 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your LD6806F/33H,115 requirements.
6.How does Aetrix verify that LD6806F/33H,115 is sourced from the original manufacturer or authorized distributors?
All LD6806F/33H,115 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 LD6806F/33H,115 meets industry standards.
7.What is the process for return or replacement of LD6806F/33H,115?
All LD6806F/33H,115 units undergo pre-shipment inspection (PSI). If there is an issue with LD6806F/33H,115, 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 LD6806F/33H,115 part is unused and in its original packaging.
Return procedure for LD6806F/33H,115:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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