Diodes Incorporated DML3006LFDS-7

Overview

DML3006LFDS from Diodes Incorporated is a single-channel smart load switch integrating an N-channel MOSFET with 8.6 mΩ typical R_ON at 5 V V_CC/12 V V_IN, soft-start slew-rate control, power-good (PG) signaling, and comprehensive fault protection including thermal shutdown, short-circuit detection, and VIN undervoltage lockout. It operates across 0.5 V to 13.5 V input voltage and supports up to 11 A DC load current in portable power domain switching applications.

For engineers reviewing the DML3006LFDS datasheet, DML3006LFDS pinout, DML3006LFDS application, or DML3006LFDS equivalent, key selection considerations include its V-DFN2020-8 package footprint, active-high EN logic with internal pulldown, BLEED pin for controlled output discharge, PG open-drain timing behavior, and trade-offs between inrush current suppression and power-up sequencing latency.

Technical Context

The DML3006LFDS implements a charge-pump-based gate driver to fully enhance the integrated N-channel MOSFET across its full 0.5–13.5 V input range, eliminating external bias requirements. Its soft-start is achieved via programmable slew-rate control on the VOUT ramp, directly limiting inrush into large capacitive loads.

Fault management is hardware-autonomous: short-circuit protection monitors V_IN–V_BLEED differential voltage (thresholds 100–500 mV), thermal shutdown activates at +145 °C with +20 °C hysteresis, and UVLO disables the FET below 0.25–0.45 V V_IN. The PG signal asserts only after gate drive stabilization and R_ON convergence, enabling reliable downstream power sequencing.

Key Specifications

Pinout & Package

Package: V-DFN2020-8 (Type F), 2.0 mm × 2.0 mm × 0.8 mm, exposed thermal pad, RoHS-compliant NiPdAu-plated terminals, moisture sensitivity level 1.

Key Features

Applications

Equivalent & Alternatives

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

Compared with TPS22919DNYR and AP22653AW5-7, the DML3006LFDS uniquely combines 0.5–13.5 V operation, guaranteed PG timing, and on-die BLEED resistance-enabling single-component solutions for wide-input, hot-swap, and sequenced-power systems without external passive additions.

Availability

DML3006LFDS is available at Aetrix Electronics and suitable for notebook subsystem power gating, USB-C peripheral ports, industrial sensor hubs, and telecom line card hot-swap applications requiring stable component supply, long-term lifecycle support, and consistent parametric performance across production lots.

Supply support for DML3006LFDS 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 semiconductor company specializing in discrete, analog, and mixed-signal ICs for power management, signal integrity, and connectivity applications, with manufacturing certified to IATF 16949 and environmental standards including RoHS 3 and halogen-free compliance.

The DML3006LFDS belongs to Diodes' Smart Load Switch product line, engineered specifically for high-current, wide-input-voltage power domain control in space-constrained portable and infrastructure equipment where reliability, thermal resilience, and autonomous fault response are critical.

FAQ

What is the minimum input voltage required for DML3006LFDS to operate reliably?

The DML3006LFDS functions down to 0.5 V input voltage while maintaining full gate drive via its internal charge pump. At this voltage, R_ON increases to ~12.5 mΩ (typ.), and PG assertion timing extends slightly-but the device remains fully operational with all protections active, making it suitable for ultra-low-voltage battery-backed subsystems.

How does the BLEED pin function during normal operation and fault conditions?

The BLEED pin connects internally to a 64–100 Ω resistor that activates only when the MOSFET is disabled-whether by EN deactivation, thermal shutdown, short-circuit event, or UVLO. It never conducts concurrently with the main FET. During faults, BLEED rapidly discharges VOUT to prevent latch-up or backfeed, and its external resistor (≤1 kΩ) sets total discharge impedance.

Can the DML3006LFDS be used without connecting the PG pin?

Yes-the PG pin is optional. If unused, it must be tied directly to GND per datasheet requirement to avoid floating states. Omitting the external pullup resistor and grounding PG disables the power-good signaling function but has no impact on switching performance, protection features, or R_ON characteristics.

What layout practices are essential to achieve the rated 11 A continuous current?

To sustain 11 A, the PCB must use the exposed thermal pad connected via ≥4 thermal vias (0.3 mm diameter) to an internal or bottom-layer copper pour tied to VIN. Input/output traces must be ≥1 mm wide and ≤5 mm long; CVIN (1 µF) and CVOUT (0.1 µF) must be placed within 2 mm of respective pins; and GND connections must follow single-point star topology near input capacitors.