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LD1117A

ST Microelectronics
Part Number LD1117A
Manufacturer ST Microelectronics
Description Low drop fixed and adjustable positive voltage regulators
Published Apr 25, 2005
Detailed Description LD1117A Low drop fixed and adjustable positive voltage regulators Datasheet - production data SOT-223 • Available in...
Datasheet PDF File LD1117A PDF File

LD1117A
LD1117A

Overview
LD1117A Low drop fixed and adjustable positive voltage regulators Datasheet - production data SOT-223 • Available in ± 2% (at 25 °C) and 4% in full temperature range • High supply voltage rejection: – 80 dB typ.
(at 25 °C) • Temperature range: 0 °C to 125 °C TO-220 Description DPAK Features • Low dropout voltage: – 1.
15 V typ.
@ IOUT = 1 A, 25 °C • Very low quiescent current: – 5 mA typ.
@ 25 °C • Output current up to 1 A 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 ve...


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