LT1528 - 3A Low Dropout Regulator For Microprocessor Applications

The LT1528 is a 3A low dropout Regulator optimized to handle the large load current transients associated with the current generation of Microprocessors This device has the fastest transient response of currently available PNP Regulators and is very tolerant of variations incapacitor ESR. Dropout voltage is 75mV at 10mA, rising to 300mV at 1A and 600mV at 3A. The device has a quiescent current of 400A. Quiescent current is well controlled; it does not increase significantly as the device enters dropout. The Regulator CAN operate with output capacitors as small as 3.3F, although larger capacitors will be needed to achieve the performance required in most Microprocessor applications. The LT1528 is available with a fixed output voltage of 3.3V. An external SENSE pin allows adjustment to output voltages greater than 3.3V, using a simple resistive divider. This allows the device to be adjusted over a wide range of output voltages, including the 3.3V to 4.2V range required by a variety of processors from Intel, IBM, AMD, and Cyrix. The LT1528 has both reverse input and reverse output protection and includes a shutdown feature. Quiescent current drops to 125A in shutdown. The LT1528 is available in 5-lead TO-220 and 5-lead DD packages.
By Linear Technology Corporation
Part Manufacturer Description Datasheet Samples
LT1528CQ Linear Technology LT1528 - 3A Low Dropout Regulator for Microprocessor Applications; Package: DD PAK; Pins: 5; Temperature Range: 0°C to 70°C
LT1528CQ#TR Linear Technology LT1528 - 3A Low Dropout Regulator for Microprocessor Applications; Package: DD PAK; Pins: 5; Temperature Range: 0°C to 70°C
LT1528CT Linear Technology LT1528 - 3A Low Dropout Regulator for Microprocessor Applications; Package: TO-220; Pins: 5; Temperature Range: 0°C to 70°C
LT1528CQ#TRPBF Linear Technology LT1528 - 3A Low Dropout Regulator for Microprocessor Applications; Package: DD PAK; Pins: 5; Temperature Range: 0°C to 70°C
LT1528CQ#PBF Linear Technology LT1528 - 3A Low Dropout Regulator for Microprocessor Applications; Package: DD PAK; Pins: 5; Temperature Range: 0°C to 70°C
LT1528CT#PBF Linear Technology LT1528 - 3A Low Dropout Regulator for Microprocessor Applications; Package: TO-220; Pins: 5; Temperature Range: 0°C to 70°C
LT1528CM Linear Technology IC VREG ADJUSTABLE POSITIVE LDO REGULATOR, 0.6 V DROPOUT, PSSO2, PLASTIC, D2PAK-3, Adjustable Positive Single Output LDO Regulator
LT1528CT#TR Linear Technology IC VREG FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.85 V DROPOUT, PSFM5, PLASTIC, TO-220, 5 PIN, Fixed/Adjustable Positive Single Output LDO Regulator
LT1528CT#TRPBF Linear Technology IC VREG FIXED/ADJUSTABLE POSITIVE LDO REGULATOR, 0.85 V DROPOUT, PSFM5, LEAD FREE, PLASTIC, TO-220, 5 PIN, Fixed/Adjustable Positive Single Output LDO Regulator
LT1528 's PackagesLT1528 's pdf datasheet
LT1528CQ-PBF
LT1528CQ-TRPBF
LT1528CT TO-220
LT1528CT-PBF TO-220




LT1528 Pinout, Pinouts
LT1528 pinout,Pin out
This is one package pinout of LT1528,If you need more pinouts please download LT1528's pdf datasheet.

LT1528 Application circuits
LT1528 circuits
This is one application circuit of LT1528,If you need more circuits,please download LT1528's pdf datasheet.


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