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SC1565

Semtech Corporation
Part Number SC1565
Manufacturer Semtech Corporation
Description VERY LOW DROPOUT 1.5 AMP REGULATOR
Published Apr 8, 2005
Detailed Description POWER MANAGEMENT Description The SC1565 is a high performance positive voltage regulator designed for use in application...
Datasheet PDF File SC1565 PDF File

SC1565
SC1565

Overview
POWER MANAGEMENT Description The SC1565 is a high performance positive voltage regulator designed for use in applications requiring very low dropout voltage at up to 1.
5 Amps.
Since it has superior dropout characteristics compared to regular LDOs, it can be used to supply 2.
5V on motherboards or 2.
8V on peripheral cards from the 3.
3V supply thus allowing the elimination of costly heatsinks.
Additionally, the 5-lead TO-220/TO-263 and SO-8 versions have an enable pin to further reduce power dissipation while shut down.
The SC1565 provides excellent regulation over variations in line, load and temperature.
The SC1565 is available in SO-8, 3-lead SOT-223, 3 and 5 lead TO-220 and 3 and 5 lead TO-263 packages.
Three lead packages are available with 1.
8V and 2.
5V fixed output options only.
The SO-8, TO-220-5 and TO-263-5 are available with 1.
8V and 2.
5V internally preset outputs that are also adjustable using external resistors.
SC1565 Very Low Dropout 1.
5 Amp Regulator With Enable Features ‹ 350mV dropout @ 1.
5A ‹ Adjustable output from 1.
2V to 4.
8V(1) ‹ 2.
5V and 1.
8V options (adjustable externally using resistors)(1) ‹ Over current and over temperature protection ‹ Enable pin(1) ‹ 10µA quiescent current in shutdown(1) ‹ Low reverse leakage (output to input) ‹ Surface mount and through-hole packages ‹ Full industrial temperature range ‹ TO-220, TO-263, SOT-223 and SO-8 Packages Note: (1) SO-8, TO-220-5 and TO-263-5 packages only.
Applications ‹ Battery powered systems ‹ Motherboards ‹ Peripheral cards ‹ Network cards ‹ Set Top Boxes ‹ Medical Equipment ‹ Notebook Computers Typical Application Circuits ENABLE VIN VO VIN U1 1 EN GND 8 2 VIN GND 7 3 VO GND 6 4 ADJ GND 5 R1 SC1565IS-X.
X C1 C2 R2 VO = 1.
200 (R1 + R2) R2 Volts U1 SC1565IT-X.
X 1 VIN VO 3 GND C1 2 VIN ENABLE VO C2 ENABLE VIN VO C1 C2 U1 SC1565I5T-X.
X 2 VIN VO 4 1 EN GND ADJ 5 3 C1 U1 1 EN GND 8 2 VIN GND 7 3 VO GND 6 4 ADJ GND 5 SC1565IS-X.
X VO = 1.
200 (R1 + R2) R2 Volts VO R1 C2 R...


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