HomedatasheetLD1117DT33TR

LD1117DT33TR Datasheet

LDO Voltage Regulators
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Description

The LD1117DT33TR is a low drop voltage regulator able to provide up to 800 mA of output current, available even in adjustable version (VREF= 1.25 V). Concerning fixed versions, are offered the following output voltages: 1.2 V, 1.8 V, 2.5 V, 2.85 V, 3.3 V and 5.0 V. The 2.85 V type is ideal for SCSI-2 lines active termination. The device is supplied in: SOT-223, DPAK, SO-8 and TO-220. The SOT-223 and DPAK surface mount packages optimize the thermal characteristics even offering a relevant space saving effect. High efficiency is assured by NPN pass transistor. In fact in this case, unlike than PNP one, the quiescent current flows mostly into the load. Only a very common 10 μF minimum capacitor is needed for stability. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 1 % at 25 °C. The adjustable LD1117 is pin to pin compatible with the other standard. Adjustable voltage regulators maintaining the better performances in terms of drop and tolerance. LD1117DT33TR Features • Low dropout voltage (1 V typ.)• 2.85 V device performances are suitable for SCSI-2 active termination• Output current up to 800 mA• Fixed output voltage of: 1.2 V, 1.8 V, 2.5 V, 3.3 V, 5.0 V• Adjustable version availability (VREF= 1.25 V)• Internal current and thermal limit• Available in ± 1 % (at 25 °C) and 2 % in full temperature range• Supply voltage rejection: 75 dB (typ.)
Features

Parameters

[{"Name":"Input Voltage MAX","Value":"15 V "},{"Name":"Output Voltage","Value":"3.3 V "},{"Name":"Dropout Voltage (Max)","Value":"1.1 V"},{"Name":"Output Current","Value":"950 mA"},{"Name":"Load Regulation","Value":"10 mV "},{"Name":"Number of Outputs","Value":"1"},{"Name":"Output Type","Value":"Fixed "},{"Name":"Packaging","Value":"Reel"}]

Manufacturer information

LITTELFUSE

Littelfuse (NASDAQ: LFUS) - As the worldwide leader in circuit protection, Littelfuse offers POWR-GARD®, Teccor®, Wickmann®, Pudenz®, Hamlin®, PulseGuard® and SIDACtor® branded products, with a wide range of technologies such as Fuses and Accessories, PTCs, GDTs, Varistors, Polymer ESD Suppressors, Surge Protection Modules, TVS Diodes, TVS Diode Arrays (SPA® Diodes), Switching Thyristors, Power Modules, LED Protector, SIDACtor® Protection Thyristor as well as reed switches, relays and Hall Effect sensors. Littelfuse products are backed by more than 88 years of technology innovation, industry leading technical support, design and manufacturing expertise. Littelfuse products are vital components in virtually every product that uses electrical energy, including automobiles, computers, consumer electronics, handheld devices, industrial equipment, and telecom/datacom circuits

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