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XCL101 Series

Inductor Built-in Step-Up “micro DC/DC” Converters

The XCL101 series is a synchronous step-up micro DC/DC converter which integrates an inductor and a control IC in one tiny package (2.5mm×2.0mm, h=1.00mm). A stable power supply with a configured using only two capacitors connected externally. An internal coil simplifies the circuit and enables minimization of noise and other operational trouble due to the circuit wiring. A wide operating voltage range of 0.9V to 5.5V enables support for applications that require an alkaline battery (1-cell) or Ni-HM (1-cell) power supply. The output voltage can be set from 1.8V to 5.0V (±2.0%) in steps of 0.1V (semi custom). PFM synchronous control enables a low quiescent current, making these products ideal for portable devices that require high efficiency. The XCL101 features a load disconnect function to break continuity between the input and output at shutdown (XCL101A), and also a bypass mode function to maintain continuity between the input and output (XCL101C).

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Mar 6, 2014
Product News
XCL101 Series

Typical Application Circuit

Features

Input Voltage Range 0.9V~5.5V
Output Voltage Range 1.8V~5.0V(±2.0%) (0.1V increments)
Output Current 100mA@VOUT=3.3V,VBAT=1.8V(TYP.)
Quiescent Current 6.3μA(VBAT=VOUT+0.5V)
Control Methods PFM Control
PFM Switching Current 350mA
Functions Load Disconnection Function or Bypass Mode Function
Ceramic Capacitor Compatible
Operating Ambient Temperature -40~+85℃
Environmentally Friendly EU RoHS compliant, Pb free

Packages

DATA SHEET

Technical Document

Quality Reports

FAQ

QuestionWhat is the standby current?
Answer

The current that flows through the IC in the standby mode. The standby mode means the state where the IC has been turned off by the CE function.

QuestionWhat does the FB product mean?
Answer

An IC for which any output voltage can be set by the reference voltage of the FB pins and the external dividing resistor. The output voltage is determined by the RFB1 and RFB2 values, using the following formula: VOUT = Vref × (RFB1 + RFB2)/RFB2

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