AMS1505V Просмотр технического описания (PDF) - Advanced Monolithic Systems Inc
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AMS1505V Datasheet PDF : 8 Pages
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Advanced
Monolithic
Systems
AMS1505V
5A ULTRA LOW DROPOUT VOLTAGE REGULATORS
FEATURES
• Adjustable or Fixed Output
1.5V, 2.5V, 2.85V, 3.0V, 3.3V, 3.5V and 5.0V
• Output Current of 5A
• Low Dropout, 350mV max. at 5A Output Current
• Fast Transient Response
• Remote Sense
APPLICATIONS
• High Speed Video/Graphic Cards
• Post Regulators for Switching Supplies
• Microprocessor Supply
• Adjustable Power Supply
• Notebook/Personal Computer Supplies
• High Current Regulators
GENERAL DESCRIPTION
TDheesigned specially for video applications where a very low dropout is critical, the AMS1505V series of adjustable and fixed
low dropout voltage regulators provide 5A output current to power the new generation of high speed video cards. The dropout
voltage of the device is 200mV max. at 3A loads and rising to 350mV at maximum output current. A second low current
input voltage 1V or greater then the output voltage is required to achieve this dropout.
New features have been added to the AMS1505V: a remote Sense pin is brought out virtually eliminating output voltage
variations due to load changes. The typical load regulation, measured at the Sense pin, for a load current step of 100mA to 5A
is less than 1mV. The AMS1505V series has fast transient response. To further improve the transient response the addition of
a small capacitor on the Adjust pin is recommended.
The AMS1505V series are ideal for generating supplies of 2V to 3V on boards where both 5V and 3.3V supplies are
available.
The AMS1505V devices are offered in 5 lead TO-220 and TO-263 (plastic DD) packages.
ORDERING INFORMATION:
PACKAGE TYPE
5 LEAD TO-263 5 LEAD TO-220
AMS1505CMV
AMS1505CTV
AMS1505CMV-1.5 AMS1505CTV-1.5
AMS1505CMV-2.5 AMS1505CTV-2.5
AMS1505CMV-2.85 AMS1505CTV-2.85
AMS1505CMV-3.0 AMS1505CTV-3.0
AMS1505CMV-3.3 AMS1505CTV-3.3
AMS1505CMV-3.5 AMS1505CTV-3.5
AMS1505CMV-5.0 AMS1505CTV-5.0
OPERATING
TEMPERATURE RANGE
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
0 to 125° C
PIN CONNECTIONS
5 LEAD TO-220
5
VPOWER
4
VCONTROL
3
OUTPUT
2
ADJUST/GND
1
SENSE
FRONT VIEW
5 LEAD TO-263
5
Vpower
4
Vcontrol
3
OUTPUT
2
ADJUST/GND
1
SENSE
FRONT VIEW
Advanced Monolithic Systems, Inc. 6680B Sierra Lane, Dublin, CA 94568 Phone (925) 556-9090 Fax (925) 556-9140
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