Purchase RT9262, In-stock RT9262 From SeekIC.
MFG:richtech
Part Number: RT9262
MFG: richtech
Description: The RT9262/A is a compact, high efficient, step-up DC/DC converter with an adaptive current mode PWM c...
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RT9262
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DataSheet
General Description
RT9262 General Description
The RT9262/A is a compact, high efficient, step-up DC/DC converter with an adaptive current mode PWM control loop, providing a stable and high efficient operation over a wide range of load currents. It operates in both continuous and
discontinuous current modes in stable waveforms without external compensation.
The low start-up input voltage below 1V makes RT9262/A suitable for 1 to 4 battery cell applications providing up to 400mA output current. The 550KHz high switching rate minimized the size of external components. Besides, the 17µA low quiescent current together with high efficiency maintains long battery lifetime.
The 1.8V to 5V output voltage is set with 2 external resistors. Both internal 2A switch and driver for driving external power devices (NMOS or NPN) are provided.
A 300mA LDO is included in RT9262 to provide a secondary low noise output as well as an output current stop in the shutdown mode. Similarly, a 1.8V to 5V LDO output voltage can be set with 2 external resistors. For RT9262A, a low battery detector with 0.86V detection voltage is included. RT9262/A are provided in SOP-8 packages.
RT9262 Maximum Ratings
Supply Voltage.......................................... -0.3V to 7V
LX Pin Switch Voltage................ -0.3V to (VDD + 0.8V)
LDO Output Voltage............... ....-0.3V to (VDD + 0.3V)
Other I/O Pin Voltages............... -0.3V to (VDD + 0.3V)
LX Pin Switch Current ............................................2.5A
EXT Pin Driver Current ..........................................30mA
LBO Current.......................................................... 30mA
Power Dissipation, PD @ TA = 25
SOP-8 ..............................................................0.625W
Package Thermal Resistance
SOP-8, .......................................................JA 160/W
Operating Junction Temperature............................. 150
Storage Temperature Range.................... -65 ~ +150
RT9262 Features
· 1.0V Low Start-up Input Voltage
· High Supply Capability to Deliver 3.3V 100mA with 1V Input Voltage
·17µA Quiescent (Switch-off) Supply Current
· 90% Efficiency
· 550KHz Fixed Switching Rate
· Providing Flexibility for Using Internal and External Power Switches
· Built-in 300mA LDO, also for the Zero-Output- Current Shutdown Mode (RT9262)
· Boost DC-DC Integrating LDO for Up-Down Regulation (RT9262)
· Built-in 0.86V Voltage Detector (RT9262A)
· 8-Pin SOP Package
· High Supply Capability to Deliver 3.3V 100mA with 1V Input Voltage
·17µA Quiescent (Switch-off) Supply Current
· 90% Efficiency
· 550KHz Fixed Switching Rate
· Providing Flexibility for Using Internal and External Power Switches
· Built-in 300mA LDO, also for the Zero-Output- Current Shutdown Mode (RT9262)
· Boost DC-DC Integrating LDO for Up-Down Regulation (RT9262)
· Built-in 0.86V Voltage Detector (RT9262A)
· 8-Pin SOP Package
RT9262 Typical Application
· PDA
· Portable Instrument
· Wireless Equipment
· DSC
· LCD Back Bias Circuit
· RF-Tags
· Portable Instrument
· Wireless Equipment
· DSC
· LCD Back Bias Circuit
· RF-Tags
RT9262 Connection Diagram
RT9262
PDF/DataSheet Download
- Datasheet: RT9262
- File Size: 113183 KB
- Manufacturer: ETC [ETC]
- Click here to Download
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RT9262 Relative Products
RT9261B
The RT9261B Series are VFM Step-up DC/DC converter ICs with ultra low supply current by CMOS process and suitable for use with battery-powered instruments.The RT9261B IC consists of an oscillator, a VFM control circuit, a driver transistor (LX switch), a ref...
RT9261A
The RT9261 Series are VFM Step-up DC/DC ICs with ultra low supply current by CMOS process and suitable for use with battery-powered instruments.The RT9261 IC consists of an oscillator, a VFM control circuit, a driver transistor (LX switch), a reference volta...
RT9261/RT9261A
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RT9261
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