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ME2129 - ULTRA-SMALL PACKAGE PWM/PFM SWITCHING CONTROL

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.

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
Additional preview pages of the ME2129 datasheet.

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Full PDF Text Transcription

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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.
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