Diodes Incorporated DML1012LDS-13

Overview

DML1012LDS from Diodes Incorporated is a single-channel smart load switch featuring an integrated N-channel MOSFET, 6A continuous current capability, 8mΩ R_DS(ON) at V_BIAS = 5V and T_A = +85°C, 3.2V–5.5V bias supply range, and active-high ON control. It enables power rail sequencing in portable computing and SSD subsystems with ultra-low quiescent current (28µA) and integrated quick output discharge.

For engineers reviewing the DML1012LDS datasheet, DML1012LDS pinout, DML1012LDS application, or DML1012LDS equivalent, key selection criteria include input voltage compatibility (0.8V to V_BIAS−1.5V), thermal performance (θ_JA = 60°C/W), turn-on rise time (10µs typ.), and V-DFN3030-8 package layout requirements for high-current PCB routing.

Technical Context

The DML1012LDS implements a fully self-contained load switch architecture with internal gate driver, bias regulator, and discharge FET-eliminating external components. Its control logic accepts 0.8V–5.5V-compatible ON signals and supports fixed power sequencing (V_BIAS→V_IN→V_ON or V_IN→V_BIAS→V_ON) to meet specified t_ON (15–55µs) and t_R (10–25µs) timing.

Thermal management relies on the exposed EPAD (Pin 2) connected to IN, enabling low θ_JC = 8°C/W via direct copper coupling. The device operates across −40°C to +85°C ambient, with junction temperature limited to +150°C and maximum pulsed current of 9A (300µs, 2% duty).

Key Specifications

Pinout & Package

Package: V-DFN3030-8 (Type R), 3.0mm × 3.0mm × 0.8mm, with exposed thermal pad (EPAD) connected to IN (Pin 1/2) for enhanced heat dissipation.

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar load switch applications.

Compared with TPS22916BLYFPR and RT9711CGJ5, DML1012LDS uniquely delivers 6A continuous current with integrated discharge and EPAD-based thermal management-enabling compact, high-reliability SSD and medical imaging power rails where thermal headroom and output stability are critical.

Availability

DML1012LDS is available at Aetrix Electronics and suitable for SSD power management, notebook subsystem enable, industrial gateway power sequencing, and medical imaging sensor interface requiring stable component supply across automotive-grade temperature ranges and long-lifecycle production programs.

Supply support for DML1012LDS 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

Diodes Incorporated is a global manufacturer of discrete semiconductors and analog ICs, headquartered in Plano, Texas, with design centers across Asia and manufacturing in ASE, J-Devices, and its own facilities.

The DML1012LDS belongs to Diodes' Smart Load Switch family, engineered specifically for high-efficiency, space-constrained power rail control in portable computing, storage, and industrial edge systems-emphasizing low R_DS(ON), minimal BOM count, and robust thermal behavior.

FAQ

What is the minimum recommended input voltage for reliable operation?

The DML1012LDS supports VIN as low as 0.8V when VBIAS ≥ 4.7V (ensuring VBIAS − VIN ≥ 1.5V). At VIN = 0.8V and VBIAS = 5V, RDS(ON) remains ≤10mΩ, enabling use with LPDDR4 I/O rails and ultra-low-voltage microcontrollers. Operation below 0.8V risks undefined switching behavior and increased RDS(ON).

Can the ON pin be driven directly from a 1.8V GPIO?

Yes-the ON pin accepts logic-high signals down to 1.2V (VONH min), making it compatible with 1.8V, 2.5V, and 3.3V GPIOs without level shifting. However, the ON pin must never be left floating; a 100kΩ pull-down resistor is recommended if the driving source is open-drain or may be tri-stated during reset.

How does the integrated quick output discharge function?

An internal 200Ω resistor connects OUT to GND when the ON pin is low, discharging typical 100nF–1µF output capacitances within 100µs. This prevents residual voltage from powering downstream logic or causing latch-up, eliminating the need for external discharge FETs and associated gate-drive circuitry.

What PCB layout practices maximize thermal performance?

Maximize thermal performance by soldering the EPAD (Pins 1/2) directly to a large IN-connected copper pour with ≥4 thermal vias (0.3mm diameter, 0.6mm pitch) to inner ground/power planes. Keep IN and OUT traces ≥0.5mm wide and ≤5mm long; place CIN (≥10µF) and COUT (≥0.1µF) within 2mm of respective pins; isolate signal GND from power GND except at a single point near Pin 5.