LT8610
42V, 2.5A Synchronous
Step-Down Regulator
with 2.5µA Quiescent
Current
DESCRIPTION FEATURES Wide Input Voltage Range: 3.4V to 42V
n Ultralow Quiescent Current Burst Mode® Operation: 2.5μA IQ Regulating 12VIN to 3.3VOUT Output Ripple < 10mVP-P
n High Efficiency Synchronous Operation: 96% Efficiency at 1A, 5VOUT from 12VIN 94% Efficiency at 1A, 3.3VOUT from 12VIN
n Fast Minimum Switch-On Time: 50ns
n Low Dropout Under All Conditions: 200mV at 1A
n Allows Use Of Small Inductors
n Low EMI
n Adjustable and Synchronizable: 200kHz to 2.2MHz
n Current Mode Operatio Accurate 1V Enable Pin Threshold
n Internal Compensatio Output Soft-Start and Tracking
n Small Thermally Enhanced 16-Lead MSOP Package
n APPLICATIONS Automotive and Industrial Supplies General Purpose Step-Dow GSM Power Supplies
n The LT®8610 is a compact, high efficiency, high speed
synchronous monolithic step-down switching regulator
that consumes only 2.5µA of quiescent current. Top and
bottom power switches are included with all necessary
circuitry to minimize the need for external components.
Low ripple Burst Mode operation enables high efficiency …