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MAX15029 Datasheet(PDF) 7 Page - Maxim Integrated Products |
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MAX15029 Datasheet(HTML) 7 Page - Maxim Integrated Products |
7 / 10 page 1.425V to 3.6V Input, 500mA Low-Dropout Regulators with BIAS Input _______________________________________________________________________________________ 7 Functional Diagram INTERNAL SUPPLY GENERATOR BIAS UVLO IN UVLO CONTROL LOGIC P REF ERROR AMPLIFIER WITH SOFT-START OVERTEMPERATURE PROTECTION MOS DRIVER WITH ILIMIT BIAS IN EN FB SS OUT GND MAX15030 ONLY MAX15029 ONLY REF MAX15029 MAX15030 Detailed Description The MAX15029/MAX15030 low-dropout linear regula- tors operate from input voltages as low as 1.425V and deliver up to 500mA of continuous output current with a maximum dropout voltage of only 150mV. The MAX15030 operates with an input voltage as low as 1.425V if the bias voltage (VBIAS) of 3V to 5.5V is available. The power is applied at IN while the control is provided through BIAS input. The current drawn by BIAS is negligible when the LDO goes into the shut- down. This feature is especially useful in automotive applications where the BIAS input is derived from an always-on LDO that expects to provide minimal power during the key-off condition. The pMOS output stage can be driven from input volt- ages down to +1.425V without sacrificing stability or transient performance. The output voltage of all the regulators is adjustable from 0.5V to VIN and is ±2% accurate over load and line variations, from -40°C to +125°C. Since these regulators have a pMOS output device, supply current is not a significant function of load or input headroom. |
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Similar Description - MAX15029 |
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