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BD3508EKN Datasheet Ultra Low Dropout Linear Regulators

Manufacturer: ROHM

Overview: TECHNICAL NOTE High-performance Regulator IC Series for PCs Ultra Low Dropout Linear Regulators for PC.

Datasheet Details

Part number BD3508EKN
Manufacturer ROHM
File Size 0.98 MB
Description Ultra Low Dropout Linear Regulators
Datasheet BD3508EKN_Rohm.pdf

General Description

The BD3508EKN ultra low-dropout linear chipset regulator operates from a very low input supply, and offers ideal performance in low input voltage to low output voltage applications.

It incorporates a built-in N-MOSFET power transistor to minimize the input-to-output voltage differential to the ON resistance (RON=65mΩ) level.

By lowering the dropout voltage in this way, the regulator realizes high current output (Iomax=3.0A) with reduced conversion loss, and thereby obviates the switching regulator and its power transistor, choke coil, and rectifier diode.

Key Features

  • 1) Internal high-precision reference voltage circuit(0.65V±1%) 2) Built-in VCC under voltage lock out circuit (VCC=3.80V) 3) NRCS (soft start) function reduces the magnitude of in-rush current 4) Internal Nch MOSFET driver offers low ON resistance (65mΩ typ) 5) Built-in current limit circuit(3.0A min) 6) Built-in thermal shutdown (TSD) circuit 7) Variable output (0.65～2.7V) 8) Incorporates high-power HQFN20V package: 4.2×4.2×0.9(mm).

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