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UM1770

Union Semiconductor
Part Number UM1770
Manufacturer Union Semiconductor
Description VLDO Linear Regulator
Published Jan 14, 2019
Detailed Description UM1770 500mA, Micropower, VLDO Linear Regulator UM1770Y-xx SOT89-5 UM1770DA-xx DFN6 2.0×2.0 General Description The U...
Datasheet PDF File UM1770 PDF File

UM1770
UM1770

Overview
UM1770 500mA, Micropower, VLDO Linear Regulator UM1770Y-xx SOT89-5 UM1770DA-xx DFN6 2.
0×2.
0 General Description The UM1770 series are VLDO (very low dropout) linear regulators designed for low power portable applications.
Typical output noise is only 90μVRMS (Fixed Output, VOUT=1.
0V) and maximum dropout is just 320mV at the load current of 500mA.
The internal P-channel MOSFET pass transistor requires no base current, allowing the device to draw only 250μA during normal operation at the maximum load current of 500mA.
Other features include high output voltage accuracy, excellent transient response, under voltage lockout, stability with ultra low ESR ceramic capacitors as small as 1μF, short...


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