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ME2129 - ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL

General Description

The ME2129 series is a CMOS step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM/PFM switching control circuit.

Key Features

  • ME2129Cxx ME2129F M5 M5 SOT23-5 SOT23-5 Build in Transistor Build in Transistor Yes Yes No Yes No Yes LX + CE LX +FB Pin Configurationÿ SOT-23-5 Pin informationÿ ME2129Cxx: VÛ mw.
  • yÑ `R b€ Pin Number SOT-23-5 1 ww w. g ofot ec m h. co Pin Name CE LX GND NC VOUT Function Shutdown pin Swich GND pin NC Output voltage pin 2 3 4 5 ME2129F: Pin Number SOT-23-5 1 2 3 4 5 Pin Name CE LX GND VDD FB Function Shutdown pin Swich GND pin IC power supply pin Feed Back voltage pin 2/13.

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Datasheet Details

Part number ME2129
Manufacturer Microne
File Size 703.35 KB
Description ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL
Datasheet download datasheet ME2129 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR Ver 03 ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL STEP-UP SWITCHING REGULATOR Featureÿ l l l l l l l l Low voltage operation: Start-up is guaranteed from 0.9 V(IOUT =1 mA ) Duty ratio: Built-in PWM/PFM switching control circuit 15 to 78 % . oscillator frequencyÿ300KHz External parts: coil, diode, capacitor, and transistor Output voltage range: 1.5V ~6.5 V Output voltage accuracyÿ±2% Soft start function: 2 ms. PACKAGEÿSOT-23-5 Descriptionÿ The ME2129 series is a CMOS step-up switching regulator which mainly consists of a reference voltage source, an oscillation circuit, an error amplifier, a phase compensation circuit, a PWM/PFM switching control circuit.