LM21215A Overview
Description
The LM21215A is a synchronous buck DC-DC converter that delivers up to 15 A of output current at output voltages as low as 0.6 V. Operating over an input voltage range of 2.95 V to 5.5 V with ultra-high efficiency, the LM21215A suits a wide variety of low voltage systems.
Key Features
- Frequency Synchronization 300 kHz to 1.5 MHz
- Integrated 7-mΩ PMOS Buck Switch Supports 100% Duty Cycle for Low Dropout Voltage
- Integrated 4.3-mΩ NMOS Synchronous Rectifier Eliminates Schottky Diode
- Accurate ±1% Internal Voltage Reference
- Automatic Diode Emulation Mode for Improved Efficiency at Light Loads
- Monotonic Pre-Biased Startup
- Internal 0.5-ms or Externally Adjustable Soft Start
- Output Voltage Tracking Capability
- Ultra-Fast Line and Load Transient Response – Voltage-Mode PWM Control – Wide-Bandwidth Voltage Loop Error Amplifier
- Precision Enable with Hysteresis
