Purchase RT9266B, In-stock RT9266B From SeekIC.
Part Number: RT9266B
Description: The RT9266B is a compact, high efficiency, and low voltage step-up DC/DC converter with an Adaptive Cu...
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RT9266B
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DataSheet
General Description
RT9266B General Description
The RT9266B is a compact, high efficiency, and low voltage step-up DC/DC converter with an Adaptive Current Mode PWM control loop, includes an error amplifier, ramp generator, comparator, switch pass element and driver in which providing a stable and high efficient operation over a wide range of load currents. It operates in stable waveforms without external compensation.
The low start-up input voltage below 1V makes RT9266B suitable for 1 to 4 battery cells applications with a 500mA internal switch. The 550kHz high switching rate minimized the size of external components. Besides, the 25A low quiescent current together with high efficiency maintains long battery lifetime.
RT9266B Maximum Ratings
`Supply Voltage -------------------------------------------------------------- −0.3V to 7V
`LX Pin Switch Voltage ----------------------------------------------------- −0.3V to 6.5V
`Other I/O Pin Voltages --------------------------------------------−0.3V to (VDD + 0.3V)
`LX Pin Switch Current ----------------------------------------------------------------2.5A
`EXT Pin Driver Current ----------------------------------------------------------- -200mA
`Package Thermal Resistance
SOT-23-6, JC -----------------------------------------------------------------145°C/W
`Operating Junction Temperature ---------------------------------------------------125°C
`Storage Temperature Range ---------------------------------------- −65°C to +150°C
`LX Pin Switch Voltage ----------------------------------------------------- −0.3V to 6.5V
`Other I/O Pin Voltages --------------------------------------------−0.3V to (VDD + 0.3V)
`LX Pin Switch Current ----------------------------------------------------------------2.5A
`EXT Pin Driver Current ----------------------------------------------------------- -200mA
`Package Thermal Resistance
SOT-23-6, JC -----------------------------------------------------------------145°C/W
`Operating Junction Temperature ---------------------------------------------------125°C
`Storage Temperature Range ---------------------------------------- −65°C to +150°C
RT9266B Features
`1.0V Low Start-up Input Voltage at 1mA Load
`25A Quiescent (Switch-off) Supply Current
`Zero Shutdown Mode Supply Current
`90% Efficiency
`550kHz Switching Frequency at 3.3V VDD
`Providing Flexibility for Using Internal and External Power Switches
`Small SOT-23-6 Package
`RoHS Compliant and 100% Lead (Pb)-Free
`25A Quiescent (Switch-off) Supply Current
`Zero Shutdown Mode Supply Current
`90% Efficiency
`550kHz Switching Frequency at 3.3V VDD
`Providing Flexibility for Using Internal and External Power Switches
`Small SOT-23-6 Package
`RoHS Compliant and 100% Lead (Pb)-Free
RT9266B Typical Application
· PDA
· DSC
· LCD Panel
· RF-Tags
· MP3
· Portable Instrument
· Wireless Equipment
· DSC
· LCD Panel
· RF-Tags
· MP3
· Portable Instrument
· Wireless Equipment
RT9266B Connection Diagram
RT9266B
PDF/DataSheet Download
- Datasheet: RT9266B
- File Size: 315392 KB
- Manufacturer: RICHTEK
- Click here to Download
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