LTC1430AIGN Description
The LTC1430AIGN is a high-power, high-efficiency switching regulator controller optimized for 5V to 1.xV-3.xV applications. It includes a precision internal reference and an internal feedback system that can provide output regulation of ±1% over temperature, load current and line voltage shifts.
LTC1430AIGN Features
High Power 5V to 1.xV-3.xV Switching Controller: Can Exceed 10A Output
Maximum Duty Cycle > 90% Permits 3.3V to 2.xV Conversion Using a Low Power 5V Supply
All N-Channel External MOSFETs
Fixed Frequency Operation—Small L
Excellent Output Regulation: ±1% Over Line, Load and Temperature Variations
High Efficiency: Over 95% Possible
No Low-Value Sense Resistor Needed
Outputs Can Drive External FETs with Up to 10,000pF Gate Capacitance
Quiescent Current: 350μA Typ, 1μA in Shutdown
Fast Transient Response
Adjustable or Fixed 3.3V Output
Available in 8-Lead SO and 16-Lead GN and SO Packages
LTC1430AIGN Applications
Power Supply for Pentium? II and AMD-K6? Microprocessors
High Power 5V to 3. xV Regulators
Local Regulation for Dual Voltage Logic Boards
Low Voltage, High Current Battery Regulation
