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Description

General part information

LD1117 Series

The LD1117A is a low drop voltage regulator able to provide up to 1 A of output current, available also in adjustable versions (VREF= 1.25 V). In fixed versions, the following output voltages are offered: 1.2 V, 1.8 V, and 3.3 V. The device is supplied in: SOT-223, DPAK and TO-220. Surface mounted packages optimize the thermal characteristics while offering a relevant space saving advantage. High efficiency is assured by an NPN pass transistor. Only a very common 10 μF minimum capacitor is needed for stability. Chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± 2% at 25 °C.

Technical Specifications

Parameters and characteristics for this part

SpecificationLD1117DT33
Current - Output800 mA
Current - Quiescent (Iq)10 mA
Mounting TypeSurface Mount
Number of Regulators1
Operating Temperature (Max)125 °C
Operating Temperature (Min)0 °C
Output ConfigurationPositive
Output TypeFixed
Package / CaseSC-63, DPAK (2 Leads + Tab), TO-252-3
Package NameDPak
Protection FeaturesOver Current, Over Temperature
PSRR75 dB
Voltage - Input (Max)15 V
Voltage - Output (Min/Fixed)3.3 V
Voltage Dropout (Max)1.2 V

Pricing

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