Texas Instruments LM20343
The LM20343 is a full featured synchronous buck regulator capable of delivering up to 3A of load current. The current mode control loop is externally compensated with only two components, offering both high performance and ease of use. The device is optimized to work over the input voltage range of 4.5V to 36V making it well suited for high voltage systems.FEATURES
1●2 4.5V to 36V Input Voltage Range
● 3A Output Current, 5.2A Peak Current
● 130 mΩ/110 mΩ Integrated Power MOSFETs
● 94% Peak Efficiency with Synchronous Rectification
● 1.5% Feedback Voltage Accuracy
● Current Mode Control, Selectable Compensation
● Resistor Programmed, 1MHz Capable Oscillator
● Adjustable Output Voltage Down to 0.8V
● Compatible with Pre-biased Loads
● Programmable Soft-start with External Capacitor
● Precision Enable Pin with Hysteresis
● OVP, UVLO Inputs and PGOOD Output
● Internally Protected with Peak Current Limit, Thermal Shutdown and Restart
● Accurate Current Limit Minimizes Inductor Size
● Non-linear Current Mode Slope Compensation
● 20-Pin HTSSOP Exposed Pad Package
APPLICATIONS
● Simple to Design, High Efficiency Point of Load Tegulation from a 4.5V to 36V Bus● High Performance DSPs, FPGAs, ASICs and Microprocessors
● Communications Infrastructure, Automotive
DESCRIPTION
The device features internal Over Voltage Protection (OVP) and Over Current Protection (OCP) circuits for increased system reliability.