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ADP1753ACPZ-R7 Arkusz danych(PDF) 1 Page - Analog Devices |
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ADP1753ACPZ-R7 Arkusz danych(HTML) 1 Page - Analog Devices |
1 / 20 page 0.8 A, Low VIN, Low Dropout Linear Regulator Data Sheet ADP1752/ADP1753 Rev. E Document Feedback Information furnished by Analog Devices is believed to be accurate and reliable. However, no responsibilityisassumedbyAnalogDevicesforitsuse,norforanyinfringementsofpatentsorother rightsofthirdpartiesthatmayresultfromitsuse.Specificationssubjecttochangewithoutnotice.No license is granted by implication or otherwise under any patent or patent rights of Analog Devices. Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners. One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A. Tel: 781.329.4700 ©2008–2013 Analog Devices, Inc. All rights reserved. Technical Support www.analog.com FEATURES Maximum output current: 0.8 A Input voltage range: 1.6 V to 3.6 V Low shutdown current: <2 µA Very low dropout voltage: 70 mV @ 0.8 A load Initial accuracy: ±1% Accuracy over line, load, and temperature: ±2% 7 fixed output voltage options with soft start 0.75 V to 2.5 V (ADP1752) Adjustable output voltage option with soft start 0.75 V to 3.3 V (ADP1753) High PSRR 65 dB @ 1 kHz 65 dB @ 10 kHz 54 dB @ 100 kHz 23 μV rms at 0.75 V output Stable with small 4.7 µF ceramic output capacitor Excellent load and line transient response Current-limit and thermal overload protection Power-good indicator Logic-controlled enable Reverse current protection APPLICATIONS Server computers Memory components Telecommunications equipment Network equipment DSP/FPGA/microprocessor supplies Instrumentation equipment/data acquisition systems TYPICAL APPLICATION CIRCUITS TOP VIEW (Not to Scale) ADP1752 1 2 3 4 VIN VIN 100kΩ 4.7µF 4.7µF VIN = 1.8V VOUT = 1.5V VIN EN 12 11 10 9 VOUT VOUT VOUT SENSE 5 6 7 8 PG GND SS NC PG 16 15 14 13 VIN VIN VOUT VOUT 10nF Figure 1. ADP1752 with Fixed Output Voltage, 1.5 V TOP VIEW (Not to Scale) ADP1753 1 2 3 4 VIN VIN 100kΩ 4.7µF 4.7µF VIN = 1.8V VOUT = 0.5V(1 + R1/R2) VIN EN 12 11 10 9 VOUT VOUT VOUT ADJ 5 6 7 8 PG GND SS NC PG 16 15 14 13 VIN VIN VOUT VOUT 10nF R2 R1 Figure 2. ADP1753 with Adjustable Output Voltage, 0.75 V to 3.3 V GENERAL DESCRIPTION The ADP1752/ADP1753 are low dropout (LDO) CMOS linear regulators that operate from 1.6 V to 3.6 V and provide up to 800 mA of output current. These low VIN/VOUT LDOs are ideal for regulation of nanometer FPGA geometries operating from 2.5 V down to 1.8 V I/O rails, and for powering core voltages down to 0.75 V. Using an advanced proprietary architecture, they provide high power supply rejection ratio (PSRR) and low noise, and achieve excellent line and load transient response with only a small 4.7 µF ceramic output capacitor. The ADP1752 is available in seven fixed output voltage options. The ADP1753 is the adjustable version, which allows output voltages that range from 0.75 V to 3.3 V via an external divider. The ADP1752/ADP1753 allow an external soft start capacitor to be connected to program the startup. A digital power-good output allows power system monitors to check the health of the output voltage. The ADP1752/ADP1753 are available in a 16-lead, 4 mm × 4 mm LFCSP, making them not only very compact solutions, but also providing excellent thermal performance for applications that require up to 800 mA of output current in a small, low profile footprint. |
Podobny numer części - ADP1753ACPZ-R7 |
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Podobny opis - ADP1753ACPZ-R7 |
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