The MAX15112EWG+ high-efficiency, current-mode step-down regulator with integrated power switches operates from 2.7V to 5.5V and delivers up to 12A of output current in a small 2mm x 3mm package. The MAX15112EWG+ offers excellent efficiency with skip mode capability at light-load conditions, yet provides unmatched efficiency under heavy load conditions. The combination of small size and high efficiency makes this device suitable for both portable and nonportable applications. The MAX15112EWG+ utilizes a current-mode control architecture with a high-gain transconductance error amplifier, which allows a simple compensation scheme and enables a cycle-by-cycle current limit with fast response to line and load transients. A factory-trimmed switching frequency of 1MHz (PWM operation) allows for a compact, all-ceramic capacitor design. Integrated switches with low on-resistance ensure high efficiency at heavy loads while minimizing critical inductances. The MAX15112’s simple layout and footprint assure first-pass success in new designs. Other features of the MAX15112EWG+ include a capacitor-programmable soft-start to reduce inrush current, safe startup into a prebiased output, an enable input, and a power-good output for power sequencing. The regulator is available in a 24-bump (4 x 6), 2.1mm x 3.05mm WLP package, and is fully specified over the -40°C to +85°C extended temperature range.
Feature
- Continuous 12A Output Current
- ±1% Feedback Accuracy Over Load, Line, and Temperature
- Operates from 2.7V to 5.5V Supply
- Input Undervoltage Lockout
- Adjustable Output Range from 0.6V Up to 0.94 x VIN
- Programmable Soft-Start
- Factory-Trimmed 1MHz Switching Frequency
- Stable with Low-ESR Ceramic Output Capacitors
- Safe-Startup into a Prebiased Output
- External Reference Input
- Selectable Skip Mode Option for Improved Efficiency at Light Loads
- Enable Input/PGOOD Output Allows Sequencing
- Remote Ground Sense for Improved Accuracy
- Thermal and Overcurrent Protection
- Tiny 2.10mm x 3.05mm, 24-Bump WLP Package
Applications
- Base Stations
- DDR Memory
- Distributed Power Systems
- Notebooks
- Preregulators for Linear Regulators
- Servers
