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SC1565I5MX.XTRT Datasheet(PDF) 1 Page - Semtech Corporation |
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SC1565I5MX.XTRT Datasheet(HTML) 1 Page - Semtech Corporation |
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1 / 14 page  1 www.semtech.com SC1565 Very Low Dropout 1.5 Amp Regulator With Enable POWER MANAGEMENT Revision: November 25, 2009 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. 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. Battery powered systems Motherboards Peripheral cards Network cards Set Top Boxes Medical Equipment Notebook Computers VIN VO ENABLE U1 SC1565IS-X.X 1 2 3 4 5 6 7 8 EN VIN VO ADJ GND GND GND GND C1 C2 VIN VO C2 C1 U1 SC1565IT-X.X 1 2 3 VIN GND VO Notes: (1) Maximum VO setpoint for 1.8V parts = 5.4V. (2) This device is designed to operate with ceramic input and output capacitors. VIN VO ENABLE U1 SC1565IS-X.X 1 2 3 4 5 6 7 8 EN VIN VO ADJ GND GND GND GND C1 C2 R1 R2 Volts R2 R2) (R1 1.200 VO + = VIN ENABLE VO C1 C2 R1 R2 U1 SC1565I5T-X.X 2 1 3 5 4 VIN EN GND ADJ VO Description Features Applications Typical Application Circuits Volts R2 R2) (R1 1.200 VO + = |
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