3.5-V to 36-V Input, 1-V to 20-V Output, 6-A Power Module

The LMZM33606 power module from Texas Instruments is an easy-to-use integrated power solution that combines a 6-A dc-dc converter with power MOSFETs, a shielded inductor, and passives in a low-profile package.

This power solution requires as few as four external components and eliminates the loop compensation and inductor part selection from the design process. Applications are expected to include: industrial, medical and test equipment; general-purpose wide Vin regulation; and inverted output applications.

The 16 mm × 10 mm × 4 mm, 41-pin, QFN package is easy to solder onto a printed circuit board and allows a compact, low-profile point-of-load design. The LMZM33606 feature set includes power good, adjustable soft start, tracking, synchronization, programmable UVLO, prebias start-up, selectable auto or FPWM modes, as well as over-current and over-temperature protection.

The LMZM33606 can be configured as negative output voltage for inverting applications.

Minimum solution size.

Summary of features:

• Small Complete Solution Size: < 250 mm2
  • Requires as few as 4 External Components
  • 16 mm × 10 mm × 4 mm QFN Package
• Supports 5-V, 12-V, 24-V, 28-V Input Rails
  • 1-V to 20-V Output Voltage Range
  • Pin Compatible with 4-A LMZM33604
• Meets EN55011 Radiated Emissions
• Configurable as Negative Output Voltage
• Adjustable Features for Design Flexibility
  • Switching Frequency (350 kHz to 2.2 MHz)
  • Synchronization to an External Clock
  • Selectable Auto Mode or FPWM Mode
    • Auto: Boost Efficiency at Light Loads
    • FPWM: Fixed Frequency Over Entire Load
  • Adjustable Soft Start and Tracking Input
  • Precision Enable to Program System UVLO
• Protection Features
  • Hiccup Mode Current Limit
  • Overtemperature Protection
  • Power-Good Output
• Operate in Rugged Environments
  • Up to 50-W Output Power at 85°C, No Airflow
  • Operating Junction Range: -40°C to +125°C
  • Operating Ambient Range: -40°C to +105°C
  • Shock and Vibration Tested to Mil-STD-883D

Typical efficiency (auto mode)