Monolithic Power Systems Inc. MP2015AGJE-P

Overview

MP2015AGJE-P from Monolithic Power Systems is a 24V-input, 100mA continuous-output, low-quiescent-current linear regulator in TSOT23-4 package, featuring 3.3µA typical quiescent current, 700mV dropout at full load, and ±4% output voltage accuracy. It operates across -40°C to +125°C and supports adjustable output (1.215V–15V) via external feedback, making it suitable for ultra-low-power microcontroller power rails in battery-powered instrumentation.

For engineers reviewing the MP2015AGJE-P datasheet, MP2015AGJE-P pinout, MP2015AGJE-P application, or MP2015AGJE-P equivalent, key selection criteria include its TSOT23-4 footprint compatibility, absence of EN pin, thermal shutdown at 150°C, 0.45W max power dissipation, and requirement for ≥0.47µF ceramic output capacitor.

Technical Context

The MP2015AGJE-P implements a PMOS-based LDO architecture with internal current limiting and thermal shutdown circuitry. Its feedback loop references a precision 1.215V bandgap voltage, enabling stable regulation over wide input (2.5V–24V) and temperature (-40°C to +125°C) ranges.

Unlike QFN variants, the TSOT23-4 version omits the EN pin and integrates fixed internal feedback for simplified layout-no external resistor divider required unless output adjustment is needed. GND and exposed pad must be connected to the same ground plane for thermal integrity and noise immunity.

Key Specifications

Pinout & Package

MP2015AGJE-P uses the TSOT23-4 package (2.9mm × 1.6mm × 1.1mm), with pin 1 (IN) at lower-left when reading top marking left-to-right. The exposed pad is internally connected to GND and must be soldered to a thermal pad on PCB for effective heat dissipation and EMI reduction.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar low-quiescent-current LDO applications.

Compared with MP2015AGJE-P, XC6210B332MR-G offers lower quiescent current but forfeits output adjustability and thermal shutdown hysteresis, while AP2204K-3.3TRG1 adds EN functionality at the cost of 3.6× higher IQ and larger footprint-making MP2015AGJE-P optimal for space-constrained, adjustable, ultra-low-power battery systems.

Availability

MP2015AGJE-P is available at Aetrix Electronics and suitable for portable gas detectors, wireless sensor nodes, industrial temperature transmitters, and smart wearable health monitors requiring stable component supply across extended production lifecycles.

Supply support for MP2015AGJE-P 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

Monolithic Power Systems (MPS) is a fabless semiconductor company specializing in high-performance analog and power ICs, with design centers in the US, China, and Taiwan, and global manufacturing partnerships.

The MP2015A product line targets ultra-low-power, wide-input-voltage LDO regulation for battery-powered and industrial edge devices-emphasizing minimal IQ, robust thermal behavior, and small-package integration without compromising reliability.

FAQ

Does MP2015AGJE-P have an enable (EN) pin?

No. The TSOT23-4 variant MP2015AGJE-P omits the EN pin entirely-unlike QFN-6 and QFN-8 versions. It operates continuously when valid input voltage is applied. This simplifies PCB layout but removes system-level power gating capability.

What is the minimum output capacitor required for stability?

The MP2015AGJE-P requires a minimum 0.47µF X5R or X7R ceramic capacitor between OUT and GND. Larger values (1µF–10µF) improve load transient response and reduce output noise, especially in ADC-sensitive applications.

Can MP2015AGJE-P be used with a 1.8V output?

Yes-by connecting an external resistor divider from OUT to FB, the output can be set from 1.215V to 15V. For 1.8V, use R2 = 1MΩ and R1 ≈ 485kΩ (calculated via VOUT = 1.215V × (1 + R1/R2)). Fixed-output versions are not offered in 1.8V for TSOT23-4.

Why is output accuracy ±4% for TSOT23-4 but ±2% for QFN packages?

The ±4% tolerance reflects thermal and layout-induced variations specific to the TSOT23-4 package's higher θJA (220°C/W) and smaller copper area. QFN packages benefit from lower thermal resistance and better GND pad coupling, enabling tighter initial accuracy specification.

Is reverse voltage protection built-in?

No. The internal PMOS pass device includes a body diode that conducts from OUT to IN if output voltage exceeds input. External reverse-protection diode (e.g., Schottky) is required in backup-battery or hot-swap scenarios to prevent uncontrolled reverse current.

What is the maximum junction temperature before thermal shutdown activates?

Thermal shutdown triggers at 150°C ±15°C (typical 150°C, max 165°C). Hysteresis of 20°C ensures the device remains off until junction temperature falls to ~130°C, preventing rapid cycling during overload conditions.

How does the FB pin function in fixed-output mode?

In fixed-output configuration, the FB pin is internally connected to a precision resistive divider. It may be left floating-no external components are needed. If output adjustment is desired, connect an external divider; the internal network remains active but is overridden by lower-impedance external resistors.