Analog Devices Inc./Maxim Integrated MAX8510EXK27+T

Overview

The MAX8510EXK27+T from Maxim Integrated is a 2.7V fixed-output, ultra-low-noise, low-dropout (LDO) linear regulator featuring a P-channel MOSFET pass device, 120mV dropout at 120mA load, 11μVRMS output noise (100Hz–100kHz), 78dB PSRR at 1kHz, and 40μA ground current - designed for noise-sensitive RF and analog power rails in portable battery-powered systems.

For engineers reviewing the MAX8510EXK27+T datasheet, MAX8510EXK27+T pinout, MAX8510EXK27+T application, or MAX8510EXK27+T equivalent, key selection criteria include guaranteed 120mA output with <±1% accuracy over temperature, SC70-5 package compatibility, shutdown current <1μA, and stability with only 1μF ceramic output capacitance - critical for space-constrained, low-power designs.

Technical Context

The MAX8510EXK27+T employs an internal 1.225V bandgap reference and error amplifier to regulate output against load and line variations, with BP pin enabling ultra-low-noise operation via external 10nF bypass capacitor. Its P-channel MOSFET pass transistor eliminates base-drive current, ensuring stable 40μA quiescent current across load and input voltage ranges.

Shutdown logic disables the reference, error amplifier, and gate driver when SHDN is pulled low, reducing supply current to <1μA while placing OUT in high-impedance state. Thermal protection activates at +160°C junction temperature with 10°C hysteresis, and current limiting holds output at 130–300mA under overload.

Key Specifications

Pinout & Package

MAX8510EXK27+T is housed in a RoHS-compliant 5-pin SC70 package (2.0mm × 1.25mm × 0.95mm), with exposed pad omitted - optimized for minimal PCB area in ultra-compact portable designs.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TPS7A2027PDQNR and MCP1700-2702E/TO, the MAX8510EXK27+T delivers superior noise and PSRR performance in a surface-mount SC70 package - making it the optimal choice for RF, imaging, and precision analog subsystems where spectral purity is non-negotiable.

Availability

MAX8510EXK27+T is available at Aetrix Electronics and suitable for Bluetooth radios, portable medical sensors, digital camera image sensors, and RF front-end biasing requiring stable component supply, long-lifecycle support, and guaranteed RoHS compliance.

Supply support for MAX8510EXK27+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 noise-critical analog and RF power domains in battery-operated portable equipment.

FAQ

What is the output voltage tolerance of the MAX8510EXK27+T over temperature?

The MAX8510EXK27+T guarantees ±3% output voltage accuracy across its full operating temperature range of -40°C to +85°C. At +25°C, the tolerance tightens to ±1%, and line/load regulation contributes ≤0.003%/mA and ≤0.001%/V respectively - ensuring stable 2.7V delivery for precision analog circuits even under thermal stress.

Can the MAX8510EXK27+T operate with only 1μF output capacitance?

Yes, the MAX8510EXK27+T is explicitly characterized and guaranteed stable with a minimum 1μF ceramic output capacitor (X7R or X5R dielectric). This eliminates need for larger bulk capacitors, reducing PCB area and cost - a key advantage over legacy LDOs requiring ≥10μF for stability.

What is the purpose of the BP pin on the MAX8510EXK27+T?

The BP (Bypass) pin on the MAX8510EXK27+T connects to an external 10nF capacitor between BP and OUT, enabling its proprietary noise-bypass architecture that achieves 11μVRMS output noise. During shutdown, BP is internally shorted to OUT, preventing leakage paths - critical for maintaining ultra-low noise in active RF stages.

Does the MAX8510EXK27+T include thermal protection?

Yes, the MAX8510EXK27+T integrates thermal-overload protection that disables the pass transistor when junction temperature exceeds +160°C. After cooling by 10°C, it automatically resumes regulation - providing robust fault tolerance during sustained overload or poor heatsinking without requiring external circuitry.

Is the MAX8510EXK27+T pin-compatible with other MAX8510 variants?

Yes, all MAX8510 variants in the SC70-5 package - including MAX8510EXK18+T, MAX8510EXK25+T, and MAX8510EXK33+T - share identical pinout, footprint, and electrical interface. Only the output voltage differs; no PCB redesign is needed when selecting alternate voltage options within the same package family.