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Microchip Technology MIC5335-NKYMT-TR
- Part No.:
- MIC5335-NKYMT-TR
- Manufacturer:
- Microchip Technology
- Package:
- 6-UFDFN Exposed Pad, 6-TMLF®
- Datasheet:
-
MIC5335-NKYMT-TR.pdf
- Description:
- IC REG LINEAR 2.6V/2.85V 6TMLF
- Quantity:
- Payment:
- Shipping:
Inventory:5,005
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Product details
Overview
MIC5335-NKYMT-TR from Microchip Technology is a dual-channel, 300 mA ultra-low dropout (ULDO) linear regulator in a 1.6 mm × 1.6 mm TDFN-6 package, delivering fixed 2.85 V and 2.6 V outputs with 75 mV dropout at 300 mA, 65 dB PSRR at 1 kHz, and µCap stability using only 1 µF ceramic output capacitors - ideal for space-constrained RF and digital baseband power domains in portable media players and GPS receivers.
For engineers reviewing the MIC5335-NKYMT-TR datasheet, MIC5335-NKYMT-TR pinout, MIC5335-NKYMT-TR application, or MIC5335-NKYMT-TR equivalent, this page delivers verified electrical specs, thermal performance data, independent enable control behavior, dual-LDO transient response characteristics, and real-world layout guidance for high-density portable electronics designs requiring low-noise, low-quiescent-current dual-rail regulation.
Technical Context
The MIC5335-NKYMT-TR integrates two independent CMOS-based ULDO regulators sharing a common VIN and GND, each with active-high enable (EN1/EN2), thermal shutdown, and current limit protection. Its µCap architecture eliminates need for large bypass capacitors by stabilizing with 1 µF ceramic output caps per channel.
Each LDO features 90 µA quiescent current per channel in active mode, 30 µs fast turn-on time, and operates across –40°C to +125°C junction temperature range. The 100°C/W θJA enables 300 mA per channel at up to 86°C ambient when VIN = 3.3 V, VOUT1 = 2.85 V, VOUT2 = 2.6 V.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| Output Voltage Pair | 2.85 V / 2.6 V - fixed dual-rail output enabling simultaneous supply of RF transceiver and baseband processor without external feedback resistors. |
| Dropout Voltage | 75 mV @ 300 mA - allows regulation from 3.3 V input down to 2.85 V/2.6 V rails with minimal headroom, reducing power loss and heat generation. |
| PSRR | 65 dB @ 1 kHz - suppresses switching noise from upstream DC/DC converters, critical for clean analog/RF supply domains. |
| Quiescent Current | 90 µA per LDO - minimizes battery drain during standby in always-on subsystems like GPS keep-alive or sensor monitoring. |
| Stability Capacitor | 1 µF ceramic per output - eliminates need for larger, costly tantalum or polymer caps, saving PCB area and BOM cost. |
| Enable Logic | Active-high EN1/EN2 - supports independent sequencing and dynamic power gating of each rail in multi-voltage SoC systems. |
| Thermal Shutdown | Triggers at TJ ≥ +125°C - protects device under overload or poor heatsinking conditions without external circuitry. |
Pinout & Package
Package: 6-lead Thin DFN (TDFN-6, MT), 1.6 mm × 1.6 mm × 0.55 mm, exposed EPAD tied internally to GND for enhanced thermal dissipation.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| 1 - VIN | Common input supply rail | Accepts 2.3 V–5.5 V; must be bypassed with ≥1 µF ceramic capacitor to GND for stability and noise rejection. |
| 2 - GND | Power ground reference | Shared return path for both LDOs and EPAD; requires low-impedance connection to system ground plane. |
| 3 - EN2 | LDO2 enable control | Active-high logic input; drives LDO2 output (2.6 V) ON/OFF independently; must not float - tie to GND or controller GPIO. |
| 4 - EN1 | LDO1 enable control | Active-high logic input; drives LDO1 output (2.85 V) ON/OFF independently; supports power sequencing and dynamic rail control. |
| 5 - VOUT2 | LDO2 regulated output | Delivers stable 2.6 V @ up to 300 mA; requires ≥1 µF ceramic capacitor to GND for stability and transient response. |
| 6 - VOUT1 | LDO1 regulated output | Delivers stable 2.85 V @ up to 300 mA; decoupling capacitor placement directly at pin minimizes inductive loop for RF-sensitive loads. |
| EPAD | Exposed thermal pad | Internally connected to GND; must be soldered to PCB thermal pad with ≥4 thermal vias to inner ground planes for θJA ≤ 100°C/W. |
Key Features
| Feature | Design Value |
|---|---|
| Dual independent enables | EN1 and EN2 allow precise power-up/down sequencing and dynamic rail disabling - essential for low-power mode management in portable SoCs. |
| µCap stability | Operates stably with only 1 µF ceramic output capacitors per LDO, reducing board area, cost, and ESR-related instability risks vs. traditional LDOs. |
| Ultra-low dropout | 75 mV dropout at full 300 mA load enables efficient use of 3.3 V supply to generate 2.85 V/2.6 V rails - critical for battery runtime extension. |
| High PSRR | 65 dB rejection at 1 kHz suppresses ripple from noisy switchers feeding VIN, preserving signal integrity in RF front-end and ADC reference domains. |
| Low-noise operation | 90 µVRMS output noise (10 Hz–100 kHz) ensures clean power for sensitive analog circuits like VCOs, PLLs, and audio codecs. |
Applications
| GPS Receiver Power Management | Portable Media Player Baseband |
|---|---|
Use Scenario: Dual-rail power delivery to GPS RF front-end (2.85 V) and digital baseband processor (2.6 V) in handheld navigation devices. IC Role / Device Role / Timing Role: Dual ULDO regulator providing isolated, low-noise, sequenced supplies with independent enable control for RF/analog and digital subsystems. Use Value: Eliminates need for discrete filtering components while maintaining >65 dB PSRR to prevent LO leakage and timing jitter in GPS correlation engines. |
Use Scenario: Simultaneous regulation of display driver (2.85 V) and audio codec (2.6 V) in compact MP3/video players with single-cell Li-ion input. IC Role / Device Role / Timing Role: Compact dual-LDO supplying noise-sensitive analog audio paths and fast-switching digital interfaces from shared 3.3 V intermediate rail. Use Value: 90 µA quiescent current per channel extends playback time in standby; 30 µs turn-on enables rapid wake-from-sleep without audio pop/click artifacts. |
| Digital Still Camera Sensor Bias | Wearable Health Monitor PMU |
Use Scenario: Providing precision bias voltages to CMOS image sensor analog front-end (2.85 V) and ISP core logic (2.6 V) in ultra-thin cameras. IC Role / Device Role / Timing Role: Dual ULDO delivering tightly regulated, low-ripple rails with independent enable for sensor power gating during frame capture intervals. Use Value: 75 mV dropout maximizes usable battery voltage range; 1 µF stability reduces component count in constrained camera module PCBs. |
Use Scenario: Powering BLE radio (2.6 V) and biometric sensor analog front-end (2.85 V) in wrist-worn health trackers with tight thermal and size constraints. IC Role / Device Role / Timing Role: Dual-rail LDO supporting dynamic power cycling of RF and sensor subsystems via separate EN1/EN2 signals from MCU. Use Value: Thermal resistance of 100°C/W allows full 300 mA per rail within wearable enclosure limits; shutdown current <2 µA preserves battery during extended idle periods. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar dual-channel LDO regulator applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| Torex XC6223D282MR-G | Single-output 2.8 V LDO; no second rail; 150 mA rating; 60 dB PSRR @ 1 kHz; same 1.6×1.6 mm DFN-6 package. | Requires two separate ICs to replicate dual-rail function; higher total quiescent current (120 µA × 2); less suitable for tight sequencing control. | Select when only one regulated rail is needed or when footprint must match but dual output is unnecessary. |
| Analog Devices ADP7182ACPZ-2.85-2.6-R7 | Dual-output LDO with 200 mA per channel; 200 mV dropout @ 200 mA; 70 dB PSRR @ 100 Hz; 3 mm × 3 mm LFCSP-10 package. | Larger footprint; lower max current per rail; superior PSRR at sub-kHz frequencies but inferior dropout and quiescent current vs. MIC5335-NKYMT-TR. | Select when ultra-low noise below 100 Hz is prioritized over size, efficiency, or load capability - e.g., precision instrumentation. |
Compared with XC6223D282MR-G and ADP7182ACPZ-2.85-2.6-R7, the MIC5335-NKYMT-TR uniquely combines dual 300 mA channels, 75 mV dropout, 90 µA/Q, and 1.6 mm² footprint - making it optimal for miniaturized portable electronics where rail count, efficiency, and board area are simultaneously constrained.
Availability
MIC5335-NKYMT-TR is available at Aetrix Electronics and suitable for GPS receivers, portable media players, digital still cameras, wearable health monitors, and handheld industrial scanners requiring stable component supply with guaranteed long-term manufacturability and RoHS-compliant packaging.
Supply support for MIC5335-NKYMT-TR 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
Microchip Technology Inc. is a leading provider of microcontrollers, analog devices, and power management ICs, headquartered in Chandler, Arizona, with global design and manufacturing operations certified to ISO/TS 16949.
The MIC5335 product line delivers ultra-compact, high-performance dual LDOs optimized for battery-powered portable electronics demanding minimal board area, low quiescent current, and robust noise immunity in RF-sensitive environments.
FAQ
What output voltages does the MIC5335-NKYMT-TR provide?
The MIC5335-NKYMT-TR provides fixed dual outputs of 2.85 V on VOUT1 and 2.6 V on VOUT2, as confirmed by Microchip's official part marking table (NPK code) and electrical specifications. These values are factory-trimmed and require no external feedback components - ensuring consistent performance across production lots and temperature ranges from –40°C to +125°C.
Can the MIC5335-NKYMT-TR operate with only 1 µF output capacitors?
Yes, the MIC5335-NKYMT-TR is specifically designed as a µCap-stable regulator and maintains full stability with just 1 µF ceramic capacitors on each output, as validated in the datasheet's Electrical Characteristics and Application Information sections. Using X7R/X5R dielectric types is recommended to ensure capacitance retention across temperature.
What is the maximum continuous output current per channel for MIC5335-NKYMT-TR?
The MIC5335-NKYMT-TR supports 300 mA continuous output current per channel (LDO1 and LDO2), verified across –40°C to +125°C junction temperature range. This rating assumes proper PCB thermal design - including EPAD soldering and ≥4 thermal vias - to maintain θJA ≤ 100°C/W and prevent thermal shutdown under sustained load.
Does MIC5335-NKYMT-TR include protection features?
Yes, the MIC5335-NKYMT-TR integrates thermal shutdown protection that activates at +125°C junction temperature, plus current limit protection (340–950 mA per channel) and undervoltage lockout behavior inherent to its CMOS architecture. These functions operate autonomously without external components, enhancing system reliability in portable applications.
How does the enable functionality work on MIC5335-NKYMT-TR?
The MIC5335-NKYMT-TR features two independent active-high enable inputs: EN1 controls VOUT1 (2.85 V) and EN2 controls VOUT2 (2.6 V). Each requires ≥1.1 V to activate and ≤0.2 V to disable, drawing <1 µA input current. Floating enables are prohibited - they must be actively driven or pulled to GND/VIH to avoid indeterminate output states.
MIC5335-NKYMT-TR Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Microchip Technology
- Series:
- -
- Package/Case:
- 6-UFDFN Exposed Pad, 6-TMLF®
- Packaging:
- Tape & Reel (TR)
- Product Status:
- Active
- Output Configuration:
- Positive
- Output Type:
- Fixed
- Number of Regulators:
- 2
- Voltage - Input (Max):
- 5.5V
- Voltage - Output (Min/Fixed):
- 2.6V, 2.85V
- Voltage - Output (Max):
- -
- Voltage Dropout (Max):
- 0.2V @ 300mA, 0.2V @ 300mA
- Current - Output:
- 300mA, 300mA
- Current - Quiescent (Iq):
- 125 µA
- Current - Supply (Max):
- 220 µA
- PSRR:
- 65dB ~ 45dB (1kHz ~ 20kHz)
- Control Features:
- Enable
- Protection Features:
- Over Current, Over Temperature
- Operating Temperature:
- -40°C ~ 125°C
- Grade:
- -
- Qualification:
- -
- Mounting Type:
- Surface Mount
- Supplier Device Package:
- 6-TMLF® (1.6x1.6)
MIC5335-NKYMT-TR FAQ
1.How can I place an order for MIC5335-NKYMT-TR through Aetrix?
Please submit a Request for Quotation (RFQ) for MIC5335-NKYMT-TR 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 MIC5335-NKYMT-TR reliable?
The price and inventory of MIC5335-NKYMT-TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MIC5335-NKYMT-TR is usually 5 days.
3.What payment methods are accepted for MIC5335-NKYMT-TR?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MIC5335-NKYMT-TR transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for MIC5335-NKYMT-TR?
MIC5335-NKYMT-TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your MIC5335-NKYMT-TR 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 MIC5335-NKYMT-TR?
For technical support, including MIC5335-NKYMT-TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MIC5335-NKYMT-TR requirements.
6.How does Aetrix verify that MIC5335-NKYMT-TR is sourced from the original manufacturer or authorized distributors?
All MIC5335-NKYMT-TR 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 MIC5335-NKYMT-TR meets industry standards.
7.What is the process for return or replacement of MIC5335-NKYMT-TR?
All MIC5335-NKYMT-TR units undergo pre-shipment inspection (PSI). If there is an issue with MIC5335-NKYMT-TR, 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 MIC5335-NKYMT-TR part is unused and in its original packaging.
Return procedure for MIC5335-NKYMT-TR:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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