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LT3070,pdf datasheet (85mV Dro
消耗积分:3 |
格式:rar |
大小:322 |
2009-07-31
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The LT3070 is a low voltage, UltraFast™ transient response
linear regulator. The device supplies up to 5A of
output current with a typical dropout voltage of 85mV.
A 0.01μF reference bypass capacitor decreases output
voltage noise to 25μVRMS. The LT3070’s high bandwidth
permits the use of low ESR ceramic capacitors, saving
bulk capacitance and cost. The LT3070’s features make
it ideal for high performance FPGAs, microprocessors or
sensitive communication supply applications.
Output voltage is digitally selectable in 50mV increments
over a 0.8V to 1.8V range. A margining function allows the
user to tolerance system output voltage in increments of
±1%, ±3% or ±5%. The IC incorporates a unique tracking
function to control a buck regulator powering the LT3070’s
input. This tracking function drives the buck regulator to
maintain the LT3070’s input voltage to VOUT + 300mV,
minimizing power dissipation.
linear regulator. The device supplies up to 5A of
output current with a typical dropout voltage of 85mV.
A 0.01μF reference bypass capacitor decreases output
voltage noise to 25μVRMS. The LT3070’s high bandwidth
permits the use of low ESR ceramic capacitors, saving
bulk capacitance and cost. The LT3070’s features make
it ideal for high performance FPGAs, microprocessors or
sensitive communication supply applications.
Output voltage is digitally selectable in 50mV increments
over a 0.8V to 1.8V range. A margining function allows the
user to tolerance system output voltage in increments of
±1%, ±3% or ±5%. The IC incorporates a unique tracking
function to control a buck regulator powering the LT3070’s
input. This tracking function drives the buck regulator to
maintain the LT3070’s input voltage to VOUT + 300mV,
minimizing power dissipation.
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