Features

• Programmable dI/dt Limit
• Internally Limited dV/dt
• High Input Voltage: 48V Max
• 700mA Peak Switch Rating
• True Current Mode Control
• 100kHz Fixed Operating Frequency
• Synchronizable to 250kHz
• Low Supply Current in Shutdown: 30µA
• Low Thermal Resistance 16-Pin SO Package

Typical Application

Applications

• Automotive Cellular and GPS Receivers
• Telecom Power Supplies
• Industrial Instrument Power Supplies

Packaging

Datasheet

• LT1777 - Low Noise Step-Down Switching Regulator

Design Note

• DN212 - LT1777 High Voltage, Low Noise Buck Switching Regulator

Reliability Data

• R012 Reliability Data

LT Journal

• Feb 1999 Generating Low Cost, Low Noise, Dual-Voltage Supplies

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