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RT8058 Datasheet

Part Number RT8058
Manufacturers Richtek
Logo Richtek
Description High Efficiency PWM Step-Down DC/DC Converter
Datasheet RT8058 DatasheetRT8058 Datasheet (PDF)

Preliminary RT8058 1MHz, 2A, High Efficiency PWM Step-Down DC/DC Converter General Description The RT8058 is a current mode PWM step-down converter. The chip is ideal for fixed frequency and low ripple applications over full range of load conditions. Its input voltage range is from 2.6V to 5.5V with a constant 1MHz switching frequency that allows it to adopt tiny, low cost capacitors and inductors with 2mm or less in height making www.DataSheet4U.com it ideal for single-cell Li-lon/polymer bat.

  RT8058   RT8058






Part Number RT8059
Manufacturers Richtek
Logo Richtek
Description High Efficiency PWM Step-Down DC/DC Converter
Datasheet RT8058 DatasheetRT8059 Datasheet (PDF)

® RT8059 1.5MHz, 1A, High Efficiency PWM Step-Down DC/DC Converter General Description The RT8059 is a high efficiency Pulse Width Modulated (PWM) step-down DC/DC converter, capable of delivering 1A output current over a wide input voltage range from 2.8V to 5.5V. The RT8059 is ideally suited for portable electronic devices that are powered by 1-cell Li-ion battery or by other power sources within the range, such as cellular phones, PDAs and handy-terminals. Internal synchronous rectifier with.

  RT8058   RT8058







Part Number RT8058A
Manufacturers Richtek
Logo Richtek
Description High Efficiency PWM Step-Down DC/DC Converter
Datasheet RT8058 DatasheetRT8058A Datasheet (PDF)

RT8058A 1.2MHz, 2A, High Efficiency PWM Step-Down DC/DC Converter General Description The RT8058A is a current mode PWM step-down converter. The chip is ideal for fixed frequency and low ripple applications over full range of load conditions. Its input voltage range is from 2.6V to 5.5V with a constant 1.2MHz switching frequency that allows it to adopt tiny, low cost capacitors and inductors with 2mm or less in height making it ideal for single-cell Li-lon/polymer battery applications. The low o.

  RT8058   RT8058







Part Number RT8057A
Manufacturers Richtek
Logo Richtek
Description 2.25MHz 1A Synchronous Step-Down Converter
Datasheet RT8058 DatasheetRT8057A Datasheet (PDF)

® RT8057A 2.25MHz 1A Synchronous Step-Down Converter General Description The RT8057A is a high efficiency Pulse-Width-Modulated (PWM) step-down DC/DC converter, capable of delivering 1A output current over a wide input voltage range from 2.7V to 5.5V. The RT8057A is ideally suited for portable electronic devices that are powered from 1-cell Li-ion battery or from other power sources such as cellular phones, PDAs, hand-held devices, game console and related accessories. The internal synchronous.

  RT8058   RT8058







Part Number RT8055B
Manufacturers Richtek
Logo Richtek
Description Synchronous Step-Down Converter
Datasheet RT8058 DatasheetRT8055B Datasheet (PDF)

RT8055B 3A, 2MHz, Synchronous Step-Down Converter General Description The RT8055B 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%.

  RT8058   RT8058







High Efficiency PWM Step-Down DC/DC Converter

Preliminary RT8058 1MHz, 2A, High Efficiency PWM Step-Down DC/DC Converter General Description The RT8058 is a current mode PWM step-down converter. The chip is ideal for fixed frequency and low ripple applications over full range of load conditions. Its input voltage range is from 2.6V to 5.5V with a constant 1MHz switching frequency that allows it to adopt tiny, low cost capacitors and inductors with 2mm or less in height making www.DataSheet4U.com it ideal for single-cell Li-lon/polymer battery applications. The low on resistance internal MOSFET can achieve high efficiency without the need of external schottky diodes in wide operating ranges and the output voltage is adjustable from 0.6V to 5V that can provide up to 2A load current. The RT8058 operates at 100% duty cycle for low dropout operation that extends battery life in portable devices. The RT8058 is available in a WQFN-16L 3x3 package. Features l l l l l l l l l l l l l l 0.6V Reference Allows Low Output Voltage Low Dropout Operation : 100% Duty Cycle 2A Load Current < 2uA Shutdown Current Up to 95% Efficiency No Schottky Diode Required 1MHZ Constant Switching Frequency Low RDS(ON) Internal Switches Internally Compensated Internal Soft-Start Over temperature Protection Short Circuit Protection Small 16-Lead WQFN Package RoHS Compliant and 100% Lead (Pb)-Free Ordering Information RT8058 Package Type QW : WQFN-16L 3x3 (W-Type) Operating Temperature Range P : Pb Free with Commercial Standard G : Green (Halogen Fre.


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