LT8607EDC#TRMPBF Switching Voltage Regulators S25FL512SAGMFIR11 C1005X7R223KET Power Management ICs

FEATURES

Wide Input Voltage Range: 3.0V to 42V

Ultralow Quiescent Current Burst Mode® Operation

<3µA IQ Regulating 12VIN to 3.3VOUT

Output Ripple <10mVP-P

High Efficiency 2MHz Synchronous Operation

>93% Efficiency at 0.5A, 12VIN to 5VOUT

750mA Maximum Continuous Output

Fast Minimum Switch-On Time: 35ns

LT8607 Available in Fixed 5V Output

Adjustable and Synchronizable: 200kHz to 2.2MHz

Spread Spectrum Frequency Modulation for Low EMI

Allows Use of Small Inductors

Low Dropout n Peak Current Mode Operation

Accurate 1V Enable Pin Threshold

Internal Compensation

Output Soft-Start and Tracking

Small Thermally Enhanced 10-Lead MSOP Package or 8-Lead 2mm × 2mm DFN Package

AEC-Q100 Qualified for Automotive Applications

APPLICATIONS

General Purpose Step-Down Converter Low EMI Step Down

DESCRIPTION

The LT®8607 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 1.7µA of non-switching quiescent current. The LT8607 can deliver 750mA of continuous current. Burst Mode operation enables high efficiency down to very low output currents while keeping the output ripple below 10mVP-P. Internal compensation with peak current mode topology allows the use of small inductors and results in fast transient response and good loop stability. The EN/UV pin has an accurate 1V threshold and can be used to program VIN undervoltage lockout or to shut down the LT8607 reducing the input supply current to 1µA.

The MSOP package includes a SYNC pin to synchronize to an external clock, or to select Burst Mode operation or pulse-skipping with or without spread spectrum; the TR/SS pin programs soft-start or tracking. The DFN package omits these pins and can be purchased in pulseskipping or Burst Mode operation.

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