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RT8015B

Richtek Technology
Part Number RT8015B
Manufacturer Richtek Technology
Description Synchronous Step-Down Converter
Published Feb 27, 2015
Detailed Description RT8015B 3A, 2MHz, Synchronous Step-Down Converter General Description The RT8015B is a high efficiency synchronous, st...
Datasheet PDF File RT8015B PDF File

RT8015B
RT8015B

Overview
RT8015B 3A, 2MHz, Synchronous Step-Down Converter General Description The RT8015B is a high efficiency synchronous, step-down DC/DC converter.
Its input voltage range is from 2.
6V to 5.
5V and provides an adjustable regulated output voltage from 0.
8V to 5V while delivering up to 3A of output current.
The internal synchronous low on-resistance power switches increase efficiency and eliminate the need for an external Schottky diode.
The switching frequency is set by an external resistor.
The 100% duty cycle provides low dropout operation extending battery life in portable systems.
Current mode operation with external compensation allows the transient response to be optimized over a wide range of loads and output capacitors.
The RT8015B is operated in forced continuous PWM Mode which minimizes ripple voltage and reduces the noise and RF interference.
The 100% duty cycle in Low Dropout Operation further maximize battery life.
The RT8015B is available in the WDFN-10L 3x3 package.
Ordering Information RT8015B Package Type QW : WDFN-10L 3x3 Operating Temperature Range G : Green (Halogen Free with Commer- rcial Standard) Note : Richtek Green products are : ` RoHS compliant and compatible with the current requirements of IPC/JEDEC J-STD-020.
` Suitable for use in SnPb or Pb-free soldering processes.
Features z High Efficiency : Up to 95% z Low RDS(ON) Internal Switches : 110mΩ z Programmable Frequency : 300kHz to 2MHz z No Schottky Diode Required z 0.
8V Reference Allows for Low Output Voltage z Forced Continuous Mode Operation z Low Dropout Operation : 100% Duty Cycle z Power Good Output Voltage Indicator z RoHS Compliant and Halogen Free Applications z Portable Instruments z Battery-Powered Equipment z Notebook Computers z Distributed Power Systems z IP Phones z Digital Cameras Pin Configurations (TOP VIEW) SHDN/RT 1 GND 2 LX 3 LX 4 PGND 5 9 10 COMP 9 FB 8 PGOOD 7 VDD 11 PVDD WDFN-10L 3x3 Marking Information For marking information, contact our sales representa...


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