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LT8610ABEMSE DataSheet

LT8610ABEMSE DataSheet

Part No.
LT8610ABEMSE
Part Marking
8610AB
Temperature
–40°C to 125°C
Package
16-Lead Plastic MSOP
File Size
1601 KB
Page
26 Pages
Manufacturer
Linear Technology
Views
1
Upload Time
2022-06-01 16:26:02
Update Time
2022-06-01
Description
IC REG BUCK ADJ 3.5A 16MSOP
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LT8610ABEMSE Features

■ LT8610 Feature Set, Plus:
    3.5A Maximum Output Current
    Fast 30ns Minimum Switch-On Time
    Improved Burst Mode Efficiency (LT8610AB Only)
    Improved EMI
■ Wide Input Voltage Range: 3.4V to 42V
■ Ultralow Quiescent Current Burst Mode® Operation:
    2.5μA IQ Regulating 12VIN to 3.3VOUT 
■ Fixed Output Voltages: 3.3V, 5V
■ Output Ripple < 10mVP-P (LT8610A Only) 
■ High Efficiency Synchronous Operation:
    95% Efficiency at 1A, 5VOUT from 12VIN 
    93% Efficiency at 1A, 3.3VOUT from 12VIN
■ Low Dropout Under All Conditions: 200mV at 1A
■ Safely Tolerates Inductor Saturation in Overload
■ Adjustable and Synchronizable Frequency:200kHz to 2.2MHz
■ Accurate 1V Enable Pin Threshold
■ Output Soft-Start and Tracking
■ Small Thermally Enhanced 16-Lead MSOP Package 
■ AEC-Q100 Qualified for Automotive Applications

LT8610ABEMSE Applications

■ Automotive and Industrial Supplies
■ GSM Power Supplies

LT8610ABEMSE Description

LT8610ABEMSE are compact, high efficiency, high speed synchronous monolithic step-down switching regulators that consume only 2.5µA of quiescent current. Compared to the LT8610, they have higher maximum output currents of 3.5A and a faster minimum switch-on time of 30ns. The LT8610A has the same low ripple burst mode performance of the LT8610, while the LT8610AB has even higher light load efficiency.

The other features of the LT8610 remain unchanged in the LT8610A/LT8610AB series. A SYNC pin allows synchronization to an external clock. The EN/UV pin has an accurate 1V threshold for VIN undervoltage lockout or shut down. A capacitor on the TR/SS pin programs the output voltage ramp rate during startup. The PG flag signals when VOUT is within ±9% of the programmed output voltage as well as fault conditions.

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