DC/DC Converters

XC9145 Series

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Technical Document

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Features
Typical Application Circuit
Technical Document
Packages
Part Numbers
Inquiry

400nA Ultra-Low Quiescent, 0.8A, PWM/PFM Step-up DC/DC Converters

XC9145 series are synchronous step-up DC/DC converters with a 200mΩ N-channel driver FET and a 270mΩ synchronous P-channel switching FET built-in.

The ultra-low current consumption of 400nA and PWM/PFM auto-switching control have dramatically improved the efficiency of the output current of 10μA or less, which was difficult to achieve in the past. (89.9%@VIN=2.4V, VOUT=3.3V, IOUT=10μA)

XC9145 series can significantly reduce the power consumption of battery-powered devices which consume a large percentage of power when the system is in standby mode. It contributes to keeping battery life longer and reducing battery size smaller.

Feature

Input Voltage Range	0.65V ~ 5.5V (Operation Start Voltage 1.6V)
Fixed Output Voltage	3.0V ~ 5.5V (0.1V increments)
Output Current	430mA @V_OUT=5.0V, V_BAT=3.3V 300mA @V_OUT=3.3V, V_BAT =1.8V
Oscillation Frequency	1.2MHz
Quiescent Current	400nA
Efficiency	89.9% @ V_IN=2.4V, V_OUT=3.3V, I_OUT=10μA 93.2% @ V_IN=2.4V, V_OUT=3.3V, I_OUT=100mA
Control Mode	Auto PWM/PFM
Load Transient Response	300mV@V_OUT=3.3V, V_BAT =1.8V, I_OUT=1mA→200mA
Protection Function	Current Limit
Functions	Soft Start Load Disconnection
Operating Ambient Temperature	-40℃ ~ 105℃
Environmentally Friendly	EU RoHS Compliant, Pb Free

Typical Application Circuit

Technical Document

Packages

Package	Number of Pins	Pcs/Reel	Package Size(mm)
SOT-25	5	3,000	2.8 x 2.9 x 1.3
USP-6C	6	3,000	1.8 x 2.0 x 0.6
WLP-6-05	6	5,000	1.28 x 1.08 x 0.4

XC9145 Series Part Numbers

Part number	Sample	Output Voltage	Oscillation Frequency	Package	Online Store
	Sample Request（in stock now）	3.0V 3.1V 3.2V 3.3V 3.4V 3.5V 3.6V 3.7V 3.8V 3.9V 4.0V 4.1V 4.2V 4.3V 4.4V 4.5V 4.6V 4.7V 4.8V 4.9V 5.0V 5.1V 5.2V 5.3V 5.4V 5.5V	1.2MHz	WLP-6-05 USP-6C SOT-25	In stock
XC9145B30C0R-G		3.0V	1.2MHz	WLP-6-05
XC9145B30CER-G		3.0V	1.2MHz	USP-6C
XC9145B31C0R-G		3.1V	1.2MHz	WLP-6-05
XC9145B31CER-G		3.1V	1.2MHz	USP-6C
XC9145B32C0R-G		3.2V	1.2MHz	WLP-6-05
XC9145B32CER-G		3.2V	1.2MHz	USP-6C
XC9145B33C0R-G		3.3V	1.2MHz	WLP-6-05
XC9145B33CER-G		3.3V	1.2MHz	USP-6C
XC9145B34C0R-G		3.4V	1.2MHz	WLP-6-05
XC9145B34CER-G		3.4V	1.2MHz	USP-6C
XC9145B35C0R-G		3.5V	1.2MHz	WLP-6-05
XC9145B35CER-G		3.5V	1.2MHz	USP-6C
XC9145B36C0R-G		3.6V	1.2MHz	WLP-6-05
XC9145B36CER-G		3.6V	1.2MHz	USP-6C
XC9145B37C0R-G		3.7V	1.2MHz	WLP-6-05
XC9145B37CER-G		3.7V	1.2MHz	USP-6C
XC9145B38C0R-G		3.8V	1.2MHz	WLP-6-05
XC9145B38CER-G		3.8V	1.2MHz	USP-6C
XC9145B39C0R-G		3.9V	1.2MHz	WLP-6-05
XC9145B39CER-G		3.9V	1.2MHz	USP-6C
XC9145B40C0R-G		4.0V	1.2MHz	WLP-6-05
XC9145B40CER-G		4.0V	1.2MHz	USP-6C
XC9145B41C0R-G		4.1V	1.2MHz	WLP-6-05
XC9145B41CER-G		4.1V	1.2MHz	USP-6C
XC9145B42C0R-G		4.2V	1.2MHz	WLP-6-05
XC9145B42CER-G		4.2V	1.2MHz	USP-6C
XC9145B43C0R-G		4.3V	1.2MHz	WLP-6-05
XC9145B43CER-G		4.3V	1.2MHz	USP-6C
XC9145B44C0R-G		4.4V	1.2MHz	WLP-6-05
XC9145B44CER-G		4.4V	1.2MHz	USP-6C
XC9145B45C0R-G		4.5V	1.2MHz	WLP-6-05
XC9145B45CER-G		4.5V	1.2MHz	USP-6C
XC9145B46C0R-G		4.6V	1.2MHz	WLP-6-05
XC9145B46CER-G		4.6V	1.2MHz	USP-6C
XC9145B47C0R-G		4.7V	1.2MHz	WLP-6-05
XC9145B47CER-G		4.7V	1.2MHz	USP-6C
XC9145B48C0R-G		4.8V	1.2MHz	WLP-6-05
XC9145B48CER-G		4.8V	1.2MHz	USP-6C
XC9145B49C0R-G		4.9V	1.2MHz	WLP-6-05
XC9145B49CER-G		4.9V	1.2MHz	USP-6C
XC9145B50C0R-G		5.0V	1.2MHz	WLP-6-05
XC9145B50CER-G		5.0V	1.2MHz	USP-6C
XC9145B51C0R-G		5.1V	1.2MHz	WLP-6-05
XC9145B51CER-G		5.1V	1.2MHz	USP-6C
XC9145B52C0R-G		5.2V	1.2MHz	WLP-6-05
XC9145B52CER-G		5.2V	1.2MHz	USP-6C
XC9145B53C0R-G		5.3V	1.2MHz	WLP-6-05
XC9145B53CER-G		5.3V	1.2MHz	USP-6C
XC9145B54C0R-G		5.4V	1.2MHz	WLP-6-05
XC9145B54CER-G		5.4V	1.2MHz	USP-6C
XC9145B55C0R-G		5.5V	1.2MHz	WLP-6-05
XC9145B55CER-G		5.5V	1.2MHz	USP-6C
XC9145B30CMR-G		3.0V	1.2MHz	SOT-25
XC9145B31CMR-G		3.1V	1.2MHz	SOT-25
XC9145B32CMR-G		3.2V	1.2MHz	SOT-25
XC9145B33CMR-G		3.3V	1.2MHz	SOT-25
XC9145B34CMR-G		3.4V	1.2MHz	SOT-25
XC9145B35CMR-G		3.5V	1.2MHz	SOT-25
XC9145B36CMR-G		3.6V	1.2MHz	SOT-25
XC9145B37CMR-G		3.7V	1.2MHz	SOT-25
XC9145B38CMR-G		3.8V	1.2MHz	SOT-25
XC9145B39CMR-G		3.9V	1.2MHz	SOT-25
XC9145B40CMR-G		4.0V	1.2MHz	SOT-25
XC9145B41CMR-G		4.1V	1.2MHz	SOT-25
XC9145B42CMR-G		4.2V	1.2MHz	SOT-25
XC9145B43CMR-G		4.3V	1.2MHz	SOT-25
XC9145B44CMR-G		4.4V	1.2MHz	SOT-25
XC9145B45CMR-G		4.5V	1.2MHz	SOT-25
XC9145B46CMR-G		4.6V	1.2MHz	SOT-25
XC9145B47CMR-G		4.7V	1.2MHz	SOT-25
XC9145B48CMR-G		4.8V	1.2MHz	SOT-25
XC9145B49CMR-G		4.9V	1.2MHz	SOT-25
XC9145B50CMR-G		5.0V	1.2MHz	SOT-25
XC9145B51CMR-G		5.1V	1.2MHz	SOT-25
XC9145B52CMR-G		5.2V	1.2MHz	SOT-25
XC9145B53CMR-G		5.3V	1.2MHz	SOT-25
XC9145B54CMR-G		5.4V	1.2MHz	SOT-25
XC9145B55CMR-G		5.5V	1.2MHz	SOT-25

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