ML4890CS-3_1055570

Features: ` Incorporates Silent Switcher™ technology to deliver very low output voltage ripple (typically 5mV)` Guaranteed full load start-up and operation at 1.0V input and low operating quiescent current (<100A) for extended battery life ` Pulse Frequency Modulation and internal synch...

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SeekIC No. : 004422127 Detail

ML4890CS-3_1055570: Features: ` Incorporates Silent Switcher™ technology to deliver very low output voltage ripple (typically 5mV)` Guaranteed full load start-up and operation at 1.0V input and low operating qu...

floor Price/Ceiling Price

Part Number:
ML4890CS-3_1055570
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: 2024/11/26

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Product Details

Description



Features:

` Incorporates "Silent Switcher™" technology to deliver very low output voltage ripple (typically 5mV)
` Guaranteed full load start-up and operation at 1.0V input and low operating quiescent current (<100A) for extended battery life
` Pulse Frequency Modulation and internal synchronous rectification for high efficiency
` Minimum external components
` Low ON resistance internal switching MOSFETs
` 5V, 3.3V, and 3V output versions



Pinout

  Connection Diagram


Specifications

VBOOST .....................................................................7V
Voltage on Any Other Pin ...GND 0.3V to VBOOST +0.3V
Peak Switch Current (IPEAK) .................................... 1A
Average Switch Current (IAVG) .......................... 500mA
LDO Output Current ...........................................250mA
Junction Temperature ...........................................150
Storage Temperature Range ............. 65 to +150
Lead Temperature (Soldering 10s).................... +260
Thermal Resistance (JA)
Plastic SOIC ....................................................110/W



Description

The ML4890CS-3_1055570 is a high efficiency, PFM (Pulse Frequency Modulation), boost switching regulator connected in series with an integrated LDO (Low Dropout Regulator) that incorporates "Silent Switcher™" technology. This technique of ML4890CS-3_1055570 incorporates a patented tracking scheme to minimize the voltage drop across the LDO and increase the total efficiency of the regulator beyond that which can be obtained by using a discrete external LDO regulator.

The ML4890CS-3_1055570 is designed to convert single or multiple cell battery inputs to regulated output voltages for integrated circuits and is ideal for portable communications equipment that cannot tolerate the output voltage ripple normally associated with switching regulators.

An integrated synchronous rectifier ML4890CS-3_1055570 eliminates the need for an external Schottky diode and provides a lower forward voltage drop, resulting in higher conversion efficiency.




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