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See Technical Specifications

LT8640EUDC#TRPBF

42V, 5A Synchronous Step-Down Silent Switcher with 2.5μA Quiescent Current

Manufacturer:

ADI
Mfr.Part #:

LT8640EUDC#TRPBF
Datasheet:

LT8640EUDC#TRPBF Datasheet (PDF)
Pbfree Code:

No
Part Life Cycle Code:

Active
Pin Count:

18
Reach Compliance Code:

compliant
EDA/CAD Models:

Request Free CAD Models for LT8640EUDC#TRPBF

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LT8640EUDC#TRPBF General Description

The LT8640/LT8640-1 step-down regulator features Silent Switcher architecture designed to minimize EMI emissions while delivering high efficiency at frequencies up to 3MHz. An ultralow 2.5µA quiescent current—with the output in full regulation—enables applications requiring highest efficiency at very small load currents.

Key Features

Silent Switcher^® Architecture
- Ultralow EMI Emissions
- Spread Spectrum Frequency Modulation
High Efficiency at High Frequency
- Up to 96% Efficiency at 1MHz, 12V_IN to 5V_OUT
- Up to 95% Efficiency at 2MHz, 12V_IN to 5V_OUT
Wide Input Voltage Range: 3.4V to 42V
5A Maximum Continuous Output, 7A Peak Transient Output
Ultralow Quiescent Current Burst Mode^® Operation
- 2.5µA I_Q Regulating 12V_IN to 3.3V_OUT
- Output Ripple < 10mV_P-P

Application

Automotive and Industrial Supplies
General Purpose Step-Down
GSM Power Supplies

Specifications

Source Content uid	LT8640EUDC#TRPBF	Pbfree Code	No
Part Life Cycle Code	Active	Pin Count	18
Reach Compliance Code	compliant	Analog IC - Other Type	SWITCHING REGULATOR
Control Mode	CURRENT-MODE	Control Technique	PULSE WIDTH MODULATION
JESD-30 Code	R-PXSS-N18	Moisture Sensitivity Level	1
Number of Functions	1	Number of Terminals	18
Peak Reflow Temperature (Cel)	260	Surface Mount	YES
Switcher Configuration	BUCK	Technology	BIPOLAR
Temperature Grade	AUTOMOTIVE	Terminal Finish	MATTE TIN
Terminal Form	NO LEAD	Terminal Position	UNSPECIFIED
Time@Peak Reflow Temperature-Max (s)	30