Part Number
|
LT8640-1 |
Manufacturer
|
Linear Technology |
Description
|
5A Synchronous Step-Down Silent Switcher |
Published
|
Jul 5, 2017 |
Detailed Description
|
LT8640/LT8640-1
42V, 5A Synchronous Step-Down Silent Switcher with 2.5µA Quiescent Current
FEATURES
DESCRIPTION
n S...
|
Datasheet
|
LT8640-1
|
Overview
LT8640/LT8640-1
42V, 5A Synchronous Step-Down Silent Switcher with 2.
5µA Quiescent Current
FEATURES
DESCRIPTION
n Silent Switcher® Architecture n Ultralow EMI Emissions n Spread Spectrum Frequency Modulation
n High Efficiency at High Frequency n Up to 96% Efficiency at 1MHz, 12VIN to 5VOUT n Up to 95% Efficiency at 2MHz, 12VIN to 5VOUT
n Wide Input Voltage Range: 3.
4V to 42V n 5A Maximum Continuous Output, 7A Peak
Transient Output n Ultralow Quiescent Current Burst Mode® Operation
n 2.
5µA IQ Regulating 12VIN to 3.
3VOUT n Output Ripple 10mVP-P n Fast Minimum Switch On-Time: 30ns n Low Dropout Under All Conditions: 100mV at 1A n Forced Continuous Mode (LT8640-1 Only) n Saf...
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