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Home > Products > Integrated Circuits (ICs) > Power Management (PMIC) > Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Analog Devices Inc./Maxim Integrated MAX8510EXK33-T

Name: MAX8510EXK33-T
Brand: Analog Devices Inc./Maxim Integrated
SKU: MAX8510EXK33-T
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: MAX8510EXK33-T

Manufacturer:: Analog Devices Inc./Maxim Integrated

Category:: Voltage Regulators - Linear, Low Drop Out (LDO) Regulators

Package:: 5-TSSOP, SC-70-5, SOT-353

Datasheet:: MAX8510EXK33-T.pdf

Description:: IC REG LINEAR LDO

Quantity:: RFQ Add To RFQ list

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Product details

Overview

MAX8510EXK33-T from Maxim Integrated is a 3.3V ultra-low-noise, low-dropout linear regulator featuring a P-channel MOSFET pass element, 120mV dropout at 120mA, 11µV_RMS output noise (100Hz–100kHz), and 78dB PSRR at 1kHz - designed for powering noise-sensitive analog circuitry in portable RF systems.

For engineers reviewing the MAX8510EXK33-T datasheet, MAX8510EXK33-T pinout, MAX8510EXK33-T application, or MAX8510EXK33-T equivalent, key selection criteria include guaranteed 120mA output, 40µA ground current across load and temperature, SC70-5 package compatibility, and BP-capacitor–enabled noise suppression for precision ADC/DAC reference rails.

Technical Context

The MAX8510EXK33-T uses an internal 1.225V bandgap reference and error amplifier to regulate output against load/line variations, with feedback provided by a factory-trimmed resistor divider. Its P-channel MOSFET pass transistor delivers 1Ω typical R_DS(ON), enabling low dropout without base-drive current penalty.

Shutdown is controlled via active-low SHDN pin, reducing supply current to <1µA; BP pin accepts a 10nF capacitor to shunt high-frequency noise from the error amplifier's bias network, directly enabling the 11µV_RMS noise performance. Thermal shutdown activates at +160°C with 10°C hysteresis.

Key Specifications

Parameter	Value and Actual Design Meaning
Output Voltage	Fixed 3.3V ±3% over -40°C to +85°C; enables direct replacement of standard 3.3V logic/RF rails without external feedback components.
Dropout Voltage	120mV at 120mA load; allows operation down to VIN = 3.42V, extending usable battery life in single-cell Li-ion or 3.6V systems.
Output Noise	11µV_RMS (100Hz–100kHz); meets stringent requirements for PLL VCO supplies, high-resolution SAR ADC references, and low-jitter clock buffers.
PSRR	78dB at 1kHz, 54dB at 100kHz; suppresses switching noise from DC/DC converters feeding intermediate power domains.
Ground Current	40µA typical at light load, 220µA in dropout; minimizes quiescent power loss in always-on subsystems like Bluetooth LE receivers.
Stability	Guaranteed stable with ≥1µF ceramic output capacitor (X7R/X5R); eliminates need for tantalum or large electrolytic caps, saving board space and cost.
Protection	Thermal shutdown (+160°C) and current limit (130–300mA); permits indefinite short-circuit survival and safe operation under transient overload.

Pinout & Package

MAX8510EXK33-T is housed in a RoHS-compliant 5-pin SC70-5 package (2.0mm × 1.25mm × 0.95mm), with exposed die pad omitted - unlike the TDFN variant. The GND pin serves dual electrical and thermal functions; PCB layout must use adequate copper area for heat dissipation.

Pin/Terminal	Circuit Role	Design Meaning
1 - IN	Unregulated input supply	Accepts 2V to 6V; requires 1µF ceramic input capacitor close to pin for EMI filtering and line-transient response.
2 - GND	Ground reference and thermal path	Must connect to solid ground plane; primary heat conduction path - insufficient copper causes thermal derating above 60mA.
3 - SHDN	Active-low enable control	Pull ≤0.4V to disable; draws <0.1µA when asserted; connect to IN for always-on operation.
4 - BP	Noise bypass node	Connect 10nF capacitor to OUT; critical for achieving 11µV_RMS noise - omitting it degrades noise to 230µV_RMS.
5 - OUT	Regulated 3.3V output	Delivers up to 120mA; requires 1µF ceramic output capacitor with ESR <100mΩ for stability across temperature and load.

Key Features

Feature	Design Value
Ultra-low output noise	11µV_RMS (100Hz–100kHz) enabled by BP-capacitor–coupled bandgap noise cancellation - essential for RF synthesizer VCO supplies.
High PSRR at audio frequencies	78dB rejection at 1kHz suppresses ripple from buck converter switching edges and digital supply coupling into analog signal chains.
Low-quiescent ground current	40µA typical ensures >1-year battery life in 10µA standby systems (e.g., IoT sensor nodes), even with 3.3V rail always active.
Dropout optimized for Li-ion	120mV dropout at full 120mA allows regulation until cell voltage drops to 3.42V - capturing >95% of single-cell Li-ion energy.
SC70-5 footprint compatibility	Standard 5-pin SC70 land pattern (Maxim drawing 21-0076) enables drop-in replacement for legacy LDOs without PCB redesign.

Applications

RF Transceiver Power	High-Resolution ADC Reference
Use Scenario: Supplying VCO and LNA bias rails in Bluetooth 5.0 or Zigbee transceivers where switching noise causes EVM degradation. IC Role / Device Role / Timing Role: Low-noise post-regulator cleaning DC/DC output; provides clean 3.3V for analog front-end blocks. Use Value: 11µV_RMS noise and 78dB PSRR reduce phase noise floor by >8dB, improving receiver sensitivity by 1.5dB.	Use Scenario: Powering the reference voltage input of a 16-bit SAR ADC in portable medical instrumentation. IC Role / Device Role / Timing Role: Precision voltage source for ADC VREF pin; rejects noise from shared system power rail. Use Value: Output voltage accuracy of ±3% and sub-20µV noise preserve ENOB >15.2 bits across temperature and load.
Portable Audio CODEC	Always-On System Monitor Rail
Use Scenario: Generating clean 3.3V for headphone amplifier and DAC stages in wireless earbuds. IC Role / Device Role / Timing Role: Dedicated low-noise supply isolating analog audio path from noisy digital SoC domain. Use Value: 54dB PSRR at 100kHz attenuates Class-D amplifier switching artifacts, lowering THD+N to <0.002%.	Use Scenario: Providing always-on 3.3V rail to real-time clock, tamper-detection circuitry, and low-power MCU in industrial controllers. IC Role / Device Role / Timing Role: Ultra-low-I_Q regulator maintaining backup functionality during main system sleep. Use Value: 40µA ground current extends coin-cell life to >5 years while supporting fast wake-up from shutdown (<300µs).

RF Transceiver Power

High-Resolution ADC Reference

Use Scenario: Supplying VCO and LNA bias rails in Bluetooth 5.0 or Zigbee transceivers where switching noise causes EVM degradation.

IC Role / Device Role / Timing Role: Low-noise post-regulator cleaning DC/DC output; provides clean 3.3V for analog front-end blocks.

Use Value: 11µV_RMS noise and 78dB PSRR reduce phase noise floor by >8dB, improving receiver sensitivity by 1.5dB.

Use Scenario: Powering the reference voltage input of a 16-bit SAR ADC in portable medical instrumentation.

IC Role / Device Role / Timing Role: Precision voltage source for ADC VREF pin; rejects noise from shared system power rail.

Use Value: Output voltage accuracy of ±3% and sub-20µV noise preserve ENOB >15.2 bits across temperature and load.

Portable Audio CODEC

Always-On System Monitor Rail

Use Scenario: Generating clean 3.3V for headphone amplifier and DAC stages in wireless earbuds.

IC Role / Device Role / Timing Role: Dedicated low-noise supply isolating analog audio path from noisy digital SoC domain.

Use Value: 54dB PSRR at 100kHz attenuates Class-D amplifier switching artifacts, lowering THD+N to <0.002%.

Use Scenario: Providing always-on 3.3V rail to real-time clock, tamper-detection circuitry, and low-power MCU in industrial controllers.

IC Role / Device Role / Timing Role: Ultra-low-I_Q regulator maintaining backup functionality during main system sleep.

Use Value: 40µA ground current extends coin-cell life to >5 years while supporting fast wake-up from shutdown (<300µs).

Equivalent & Alternatives

The following parts are listed as comparable options for similar LDO regulator applications.

Alternative Part	Technical Difference	Application Difference	Selection Advice
Torex XC6210B332MR-G	3.3V fixed, 150mA, 250mV dropout at 150mA, 45µV_RMS noise, no BP pin	Lacks BP-based noise suppression; unsuitable for VCO/ADC reference where <15µV noise is required	Select only if noise <20µV_RMS is not critical and higher dropout is acceptable.
Analog Devices ADP125ARHZ-3.3-R7	3.3V fixed, 500mA, 135mV dropout at 500mA, 40µV_RMS noise, 30µA I_Q	Higher current capability but 3.6× higher output noise; larger 6-lead SOT-23 package	Prefer for high-current digital rails; avoid for analog-signal-chain applications requiring ultra-low noise.

Compared with XC6210B332MR-G and ADP125ARHZ-3.3-R7, the MAX8510EXK33-T uniquely delivers 11µV_RMS noise in the SC70-5 footprint - a combination unavailable in alternatives - making it irreplaceable for noise-constrained RF and precision data acquisition designs.

Availability

MAX8510EXK33-T is available at Aetrix Electronics and suitable for cellular handsets, Bluetooth accessories, digital cameras, and portable medical devices requiring stable component supply with guaranteed long-term availability and full traceability.

Supply support for MAX8510EXK33-T 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

Maxim Integrated (now part of Analog Devices) is a U.S.-based semiconductor company specializing in high-performance analog, mixed-signal, and power-management ICs for industrial, communications, and consumer applications.

The MAX8510 series belongs to Maxim's ultra-low-noise LDO product line, engineered specifically for powering sensitive RF, audio, and precision analog circuitry in space-constrained, battery-operated systems.

FAQ

What is the maximum output current specification for the MAX8510EXK33-T?

The MAX8510EXK33-T is guaranteed to deliver 120mA continuous output current across its operating temperature range (-40°C to +85°C). Current-limit protection activates between 130mA and 300mA, allowing safe operation under short-circuit conditions without damage. This rating assumes proper thermal management using the SC70-5 package's GND pin as a thermal path.

Does the MAX8510EXK33-T require an external bypass capacitor, and if so, what value?

Yes - the MAX8510EXK33-T requires a 10nF capacitor connected between the BP pin and OUT pin to achieve its specified 11µV_RMS output noise. Omitting this capacitor increases output noise to 230µV_RMS. Capacitor values below 1nF or above 100nF are not recommended, as they degrade noise performance or stability.

What is the dropout voltage of the MAX8510EXK33-T at full rated load?

The MAX8510EXK33-T exhibits a typical dropout voltage of 120mV at 120mA load current and +25°C. This value increases slightly at temperature extremes (e.g., 150mV at -40°C) and scales linearly with load. At 10mA, dropout drops to ~40mV, enabling efficient operation in ultra-low-power modes.

Can the MAX8510EXK33-T be used with ceramic output capacitors, and what is the minimum required value?

Yes - the MAX8510EXK33-T is fully stable with a minimum 1µF X7R or X5R ceramic output capacitor. Larger values improve PSRR and transient response. Z5U/Y5V dielectrics require ≥2.2µF for stability below -10°C. ESR must remain below 100mΩ across operating conditions per the stability region chart in the datasheet.

How does the shutdown function operate on the MAX8510EXK33-T, and what is its leakage current?

The MAX8510EXK33-T enters shutdown when the SHDN pin is pulled to ≤0.4V, reducing total supply current to <1µA. SHDN input bias current is <0.01µA at +85°C. During shutdown, the output enters high-impedance state, and internal reference, error amplifier, and pass transistor are disabled. Exit delay is typically 300µs.

MAX8510EXK33-T Specifications

Product attributes: Attribute value

Manufacturer:: Analog Devices Inc./Maxim Integrated

Series:: -

Package/Case:: 5-TSSOP, SC-70-5, SOT-353

Packaging:: Bulk

Product Status:: Active

Output Configuration:: Positive

Output Type:: Fixed

Number of Regulators:: 1

Voltage - Input (Max):: 6V

Voltage - Output (Min/Fixed):: 3.3V

Voltage - Output (Max):: -

Voltage Dropout (Max):: 0.12V @ 120mA (Typ)

Current - Output:: 120mA

Current - Quiescent (Iq):: 90 µA

Current - Supply (Max):: -

PSRR:: 78dB ~ 54dB (1kHz ~ 100kHz)

Control Features:: Shutdown

Protection Features:: Over Current, Over Temperature

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:: SC-70-5

MAX8510EXK33-T FAQ

1.How can I place an order for MAX8510EXK33-T through Aetrix?

Please submit a Request for Quotation (RFQ) for MAX8510EXK33-T 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 MAX8510EXK33-T reliable?

The price and inventory of MAX8510EXK33-T are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for MAX8510EXK33-T is usually 5 days.

3.What payment methods are accepted for MAX8510EXK33-T?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for MAX8510EXK33-T transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for MAX8510EXK33-T?

MAX8510EXK33-T orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your MAX8510EXK33-T 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 MAX8510EXK33-T?

For technical support, including MAX8510EXK33-T datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your MAX8510EXK33-T requirements.

6.How does Aetrix verify that MAX8510EXK33-T is sourced from the original manufacturer or authorized distributors?

All MAX8510EXK33-T 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 MAX8510EXK33-T meets industry standards.

7.What is the process for return or replacement of MAX8510EXK33-T?

All MAX8510EXK33-T units undergo pre-shipment inspection (PSI). If there is an issue with MAX8510EXK33-T, 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 MAX8510EXK33-T part is unused and in its original packaging.

Return procedure for MAX8510EXK33-T:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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