LT8613EUDE#TRPBF PMIC Chip LT8613IUDE

LT8613EUDE#TRPBF Buck Switching Regulator PMIC Chip LINEAR TECHNOLOGY LT8613IUDE

PMIC Chip LT8613 Features :
Rail-to-Rail Current Sense Amplifier with Monitor
Wide Input Voltage Range: 3.4V to 42V
Ultralow Quiescent Current Burst Mode®
Operation: 3μA IQ Regulating 12VIN to 3.3VOUT
Output Ripple < 10mVP-P
High Efficiency Synchronous Operation:
95% Efficiency at 3A, 5VOUT from 12VIN
94% Efficiency at 3A, 3.3VOUT from 12VIN n Fast Minimum Switch-On Time: 40ns
Low Dropout Under All Conditions: 250mV at 3A
Allows Use of Small Inductors
Low EMI
Adjustable and Synchronizable: 200kHz to 2.2MHz
Current Mode Operation
Accurate 1V Enable Pin Threshold
Internal Compensation
Output Soft-Start and Tracking
Small Thermally Enhanced 3mm × 6mm 28-Lead QFN Package
Automotive and Industrial Supplies
General Purpose Step-Down n CCCV Power Supplies

Application:
Automotive and Industrial Supplies
General Purpose Step-Down
CCCV Power Supplies

LT8613 PMIC Chip Specification :

LT8613 Description :
42V, 6A Synchronous Step-Down Regulator with Current Sense and 3µA Quiescent Current The LT8613 is a compact, high efficiency, high speed synchronous monolithic step-down switching regulator that consumes only 3µA of quiescent current. Top and bottom power switches are included with all necessary circuitry to minimize the need for external components. The built-in current sense amplifier with monitor and control pins allows accurate input or output current regulation and limiting. Low ripple Burst Mode operation enables high efficiency down to very low output currents while keeping the output ripple below 10mVP-P. A SYNC pin allows synchronization to an external clock. 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 LT8613 reducing the input supply current to 1µA. A capacitor on the TR/SS pin programs the output voltage ramp rate during start-up. The PG flag signals when VOUT is within ±9% of the programmed output voltage as well as fault conditions. The LT8613 is available in a small 28-lead 3mm × 6mm QFN package with exposed pad for low thermal resistance.


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