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RT9277B

Features: ` 90% Efficiency`VIN Operating Range : 2.5V to 5.5V` 1.6A, 0.2, 16V Internal Power MOSFET` 640kHz and 1.2MHz Operation Frequency` External Compensation Network` Internal/External Programmable Soft Start Function` Small MSOP8 Package` OCP and OTP Function are Included` RoHS Compliant and ...

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SeekIC No. : 004479950 Detail

RT9277B: Features: ` 90% Efficiency`VIN Operating Range : 2.5V to 5.5V` 1.6A, 0.2, 16V Internal Power MOSFET` 640kHz and 1.2MHz Operation Frequency` External Compensation Network` Internal/External Programma...

RT9277B Data Sheet

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Part Number:
RT9277B
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2025/12/26

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Product Details

Description



Features:

` 90% Efficiency
` VIN Operating Range : 2.5V to 5.5V
` 1.6A, 0.2, 16V Internal Power MOSFET
` 640kHz and 1.2MHz Operation Frequency
` External Compensation Network
` Internal/External Programmable Soft Start Function
` Small MSOP8 Package
` OCP and OTP Function are Included
` RoHS Compliant and 100% Lead (Pb)-Free


Application

􀁺·  TFT LCD panel
􀁺·  OLED Display
􀁺·  PCMCIA Cards
􀁺·  Portable Device


Pinout

Connection Diagram




Specifications

` Supply Voltage (VIN) -------------------------------------------------- −0.3 to 6V
` LX to GND ------------------------------------------------------------ −0.3V to 16V
` The other pins -------------------------------------------------------- −0.3V to 6V
` Power Dissipation, PD @ TA = 70°C
    MSOP-8 ---------------------------------------------------------------------- 625mW
` Package Thermal Resistance (Note 4)
    MSOP-8, JA -------------------------------------------------------------- 160°C/W
` Junction Temperature ------------------------------------------------------ 150°C
` Lead Temperature (Soldering, 10 sec.) --------------------------------- 260°C
` Storage Temperature Range -------------------------------- −65°C to 150°C
`ESD Susceptibility (Note 2)
   HBM (Human Body Mode) ------------------------------------------------------- 2kV
   MM (Machine Mode) ------------------------------------------------------------ 200V


Description

The RT9277A/B is a high performance, low noise, fixed frequency step up DC-DC Converter. The RT9277A/B converters input voltage ranging 2.5V to 5.5V into output voltage up to 16V. Current mode control with external compensation network makes it easy to stabilize the system and keep maximum flexibility. Soft start function minimizes impact on the input power system. Internal power MOSFET with very low RDS(ON) provides high efficiency. The RT9277A/B automatically transits from PWM to PSM (Pulse Skipping Mode) during light load condition further increasing efficiency. 640kHz and 1.2MHz operation frequency options provide flexibiltity of minimum output inductor size, maximum efficiency and low BOM cost.
 
The RT9277A/B also provides comprehensive protection functions such as UVLO, OCP and OTP.




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