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Technical parameters

Key specs

Output voltage1.8 V
Output current300 mAMax
Input voltage≤ 5.5 V
Dropout voltage300 mVMax · 300mA,300mA
Quiescent current58 µATyp
Power
Current - Output300mA, 300mA
Current - Quiescent (Iq)58 µA
Voltage Dropout (Max)0.4V @ 300mA, 0.3V @ 300mA
Voltage - Input (Max)5.5V
Voltage - Output (Max)-
Voltage - Output (Min/Fixed)1.8V, 3.3V
AC and DC characteristics
PSRR70dB ~ 38dB (100Hz ~ 300kHz)
Environment and package
Mounting TypeSurface Mount
Operating Temperature-40°C ~ 85°C
PackageTape & Reel (TR) Cut Tape (CT) Digi-Reel®
Package / Case6-UFBGA, WLCSP
Supplier Device Package6-WLCSP (1.2x0.80)
Other
Base Product NumberRT9055
Control FeaturesEnable
MfrRichtek USA Inc.
Number of Regulators2
Output ConfigurationPositive
Output TypeFixed
Product StatusActive
Protection FeaturesOver Current, Over Temperature, Short Circuit
Series-

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