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BD3508MUV Datasheet Nch Fet Ultra Ldo

Manufacturer: ROHM

Overview: High Performance Regulators for PCs Nch FET Ultra LDO for PC Chipsets BD3508MUV Nch FET Ultra LDO for PC Chipsets with Power Good BD3509MUV No.

This datasheet includes multiple variants, all published together in a single manufacturer document.

General Description

The BD3508MUV / BD3509MUV 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 MAX=100mΩ/50mΩ) level.

By lowering the dropout voltage in this way, the regulator realizes high current output (Iomax=3.0A/4.0A) with reduced conversion loss, and thereby obviates the switching regulator and its power transistor, choke coil, and rectifier diode.

Key Features

  • ) 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/28mΩ typ) 5) Built-in current limit circuit (3.0A/4.0A min) 6) Built-in thermal shutdown (TSD) circuit 7) Variable output (0.65～2.7V) 8) Incorporates high-power VQFN020V4040 package: 4.0×4.0×1.0(mm) 9) Tracking function.

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BD3508MUV Distributor