DC/DC Converters

XCL237 Series

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Technical Document

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Features
Typical Application Circuit
Technical Document
Packages
Part Numbers
Inquiry

HiSAT-COT ® Control 1.5A Inductor Built-in Step-Down “micro DC/DC” Converters

The XCL237 series is a synchronous step-down micro DC/DC converter which integrates an inductor and a control IC in one tiny package (3.2mm x 2.5mm, h=1.0mm). An internal coil simplifies the circuit and enables minimization of noise and other operational trouble due to the circuit wiring.
The Output voltage is internally set in a range from 0.8V to 3.6V increments of 0.05V.
HiSAT-COT is a proprietary high-speed transient response technology for DC/DC converter which was minimized output voltage during load fluctuations. It is Ideal for the applications with large instantaneous load fluctuations such as FPGAs and equipment that requires stable output voltage.

(*) HiSAT-COT is a proprietary high-speed transient response technology for DC/DC converter which was developed by Torex. It is Ideal for the LSI's that require high precision and high stability power supply voltage.

Feature

Input Voltage Range	2.5V ~ 5.5V
Output Voltage Range	0.80V ~ 1.00V (±20mV) 1.05V ~ 3.60V (±2.0%)
Output Current	1.5A
Oscillation Frequency	3.0MHz
Efficiency	89%(V_IN=3.8V,V_OUT=1.8V,I_OUT=500mA)
Quiescent Current	25μA
Control Methods	HiSAT-COT Control PWM Control
Protection Functions	Thermal Shutdown Current Limit Short Protection
Functions	Soft-Start UVLO C_L Discharge
Input/Output Capacitor	Ceramic Capacitor
Operating Ambient Temperature	-40℃ ~ 105℃

Typical Application Circuit

Technical Document

Packages

Package	Number of Pins	Pcs/Reel	Package Size(mm)
USP-9B01	9	3,000	2.5 × 3.2 × 1.05

XCL237 Series Part Numbers

Part number	Sample	Type	Output Voltage	Oscillation Frequency	Package	Online Store
	Sample Request（in stock now）	Soft-Start Time:0.3ms Soft-Start Time:0.4ms	0.8V 0.85V 0.9V 0.95V 1V 1.05V 1.1V 1.15V 1.2V 1.25V 1.3V 1.35V 1.4V 1.45V 1.5V 1.55V 1.6V 1.65V 1.7V 1.75V 1.8V 1.85V 1.9V 1.95V 2V 2.05V 2.1V 2.15V 2.2V 2.25V 2.3V 2.35V 2.4V 2.45V 2.5V 2.55V 2.6V 2.65V 2.7V 2.75V 2.8V 2.85V 2.9V 2.95V 3V 3.05V 3.1V 3.15V 3.2V 3.25V 3.3V 3.35V 3.4V 3.45V 3.5V 3.55V 3.6V	3.0MHz	USP-9B01	In stock
XCL237B083D2-G		Soft-Start Time:0.3ms	0.8V	3.0MHz	USP-9B01
XCL237B0L3D2-G		Soft-Start Time:0.3ms	0.85V	3.0MHz	USP-9B01
XCL237B093D2-G		Soft-Start Time:0.3ms	0.9V	3.0MHz	USP-9B01
XCL237B0M3D2-G		Soft-Start Time:0.3ms	0.95V	3.0MHz	USP-9B01
XCL237B103D2-G		Soft-Start Time:0.3ms	1V	3.0MHz	USP-9B01
XCL237B1A3D2-G		Soft-Start Time:0.3ms	1.05V	3.0MHz	USP-9B01
XCL237B113D2-G		Soft-Start Time:0.3ms	1.1V	3.0MHz	USP-9B01
XCL237B1B3D2-G		Soft-Start Time:0.3ms	1.15V	3.0MHz	USP-9B01
XCL237B123D2-G		Soft-Start Time:0.3ms	1.2V	3.0MHz	USP-9B01
XCL237B1C3D2-G		Soft-Start Time:0.3ms	1.25V	3.0MHz	USP-9B01
XCL237B133D2-G		Soft-Start Time:0.3ms	1.3V	3.0MHz	USP-9B01
XCL237B1D3D2-G		Soft-Start Time:0.3ms	1.35V	3.0MHz	USP-9B01
XCL237B143D2-G		Soft-Start Time:0.3ms	1.4V	3.0MHz	USP-9B01
XCL237B1E3D2-G		Soft-Start Time:0.3ms	1.45V	3.0MHz	USP-9B01
XCL237B153D2-G		Soft-Start Time:0.3ms	1.5V	3.0MHz	USP-9B01
XCL237B1F3D2-G		Soft-Start Time:0.3ms	1.55V	3.0MHz	USP-9B01
XCL237B163D2-G		Soft-Start Time:0.3ms	1.6V	3.0MHz	USP-9B01
XCL237B1H3D2-G		Soft-Start Time:0.3ms	1.65V	3.0MHz	USP-9B01
XCL237B173D2-G		Soft-Start Time:0.3ms	1.7V	3.0MHz	USP-9B01
XCL237B1K3D2-G		Soft-Start Time:0.3ms	1.75V	3.0MHz	USP-9B01
XCL237B183D2-G		Soft-Start Time:0.3ms	1.8V	3.0MHz	USP-9B01
XCL237B1L3D2-G		Soft-Start Time:0.3ms	1.85V	3.0MHz	USP-9B01
XCL237B193D2-G		Soft-Start Time:0.3ms	1.9V	3.0MHz	USP-9B01
XCL237B1M3D2-G		Soft-Start Time:0.3ms	1.95V	3.0MHz	USP-9B01
XCL237B203D2-G		Soft-Start Time:0.3ms	2V	3.0MHz	USP-9B01
XCL237B2A3D2-G		Soft-Start Time:0.3ms	2.05V	3.0MHz	USP-9B01
XCL237B213D2-G		Soft-Start Time:0.3ms	2.1V	3.0MHz	USP-9B01
XCL237B2B3D2-G		Soft-Start Time:0.3ms	2.15V	3.0MHz	USP-9B01
XCL237B223D2-G		Soft-Start Time:0.3ms	2.2V	3.0MHz	USP-9B01
XCL237B2C3D2-G		Soft-Start Time:0.3ms	2.25V	3.0MHz	USP-9B01
XCL237B233D2-G		Soft-Start Time:0.3ms	2.3V	3.0MHz	USP-9B01
XCL237B2D3D2-G		Soft-Start Time:0.3ms	2.35V	3.0MHz	USP-9B01
XCL237B243D2-G		Soft-Start Time:0.3ms	2.4V	3.0MHz	USP-9B01
XCL237B2E3D2-G		Soft-Start Time:0.3ms	2.45V	3.0MHz	USP-9B01
XCL237B253D2-G		Soft-Start Time:0.3ms	2.5V	3.0MHz	USP-9B01
XCL237B2F3D2-G		Soft-Start Time:0.3ms	2.55V	3.0MHz	USP-9B01
XCL237B263D2-G		Soft-Start Time:0.3ms	2.6V	3.0MHz	USP-9B01
XCL237B2H3D2-G		Soft-Start Time:0.3ms	2.65V	3.0MHz	USP-9B01
XCL237B273D2-G		Soft-Start Time:0.3ms	2.7V	3.0MHz	USP-9B01
XCL237B2K3D2-G		Soft-Start Time:0.3ms	2.75V	3.0MHz	USP-9B01
XCL237B283D2-G		Soft-Start Time:0.3ms	2.8V	3.0MHz	USP-9B01
XCL237B2L3D2-G		Soft-Start Time:0.3ms	2.85V	3.0MHz	USP-9B01
XCL237B293D2-G		Soft-Start Time:0.3ms	2.9V	3.0MHz	USP-9B01
XCL237B2M3D2-G		Soft-Start Time:0.3ms	2.95V	3.0MHz	USP-9B01
XCL237B303D2-G		Soft-Start Time:0.3ms	3V	3.0MHz	USP-9B01
XCL237B3A3D2-G		Soft-Start Time:0.3ms	3.05V	3.0MHz	USP-9B01
XCL237B313D2-G		Soft-Start Time:0.3ms	3.1V	3.0MHz	USP-9B01
XCL237B3B3D2-G		Soft-Start Time:0.3ms	3.15V	3.0MHz	USP-9B01
XCL237B323D2-G		Soft-Start Time:0.3ms	3.2V	3.0MHz	USP-9B01
XCL237B3C3D2-G		Soft-Start Time:0.3ms	3.25V	3.0MHz	USP-9B01
XCL237B333D2-G		Soft-Start Time:0.3ms	3.3V	3.0MHz	USP-9B01
XCL237B3D3D2-G		Soft-Start Time:0.3ms	3.35V	3.0MHz	USP-9B01
XCL237B343D2-G		Soft-Start Time:0.3ms	3.4V	3.0MHz	USP-9B01
XCL237B3E3D2-G		Soft-Start Time:0.3ms	3.45V	3.0MHz	USP-9B01
XCL237B353D2-G		Soft-Start Time:0.3ms	3.5V	3.0MHz	USP-9B01
XCL237B3F3D2-G		Soft-Start Time:0.3ms	3.55V	3.0MHz	USP-9B01
XCL237B363D2-G		Soft-Start Time:0.3ms	3.6V	3.0MHz	USP-9B01
XCL237E083D2-G		Soft-Start Time:0.4ms	0.8V	3.0MHz	USP-9B01
XCL237E0L3D2-G		Soft-Start Time:0.4ms	0.85V	3.0MHz	USP-9B01
XCL237E093D2-G		Soft-Start Time:0.4ms	0.9V	3.0MHz	USP-9B01
XCL237E0M3D2-G		Soft-Start Time:0.4ms	0.95V	3.0MHz	USP-9B01
XCL237E103D2-G		Soft-Start Time:0.4ms	1V	3.0MHz	USP-9B01
XCL237E1A3D2-G		Soft-Start Time:0.4ms	1.05V	3.0MHz	USP-9B01
XCL237E113D2-G		Soft-Start Time:0.4ms	1.1V	3.0MHz	USP-9B01
XCL237E1B3D2-G		Soft-Start Time:0.4ms	1.15V	3.0MHz	USP-9B01
XCL237E123D2-G		Soft-Start Time:0.4ms	1.2V	3.0MHz	USP-9B01
XCL237E1C3D2-G		Soft-Start Time:0.4ms	1.25V	3.0MHz	USP-9B01
XCL237E133D2-G		Soft-Start Time:0.4ms	1.3V	3.0MHz	USP-9B01
XCL237E1D3D2-G		Soft-Start Time:0.4ms	1.35V	3.0MHz	USP-9B01
XCL237E143D2-G		Soft-Start Time:0.4ms	1.4V	3.0MHz	USP-9B01
XCL237E1E3D2-G		Soft-Start Time:0.4ms	1.45V	3.0MHz	USP-9B01
XCL237E153D2-G		Soft-Start Time:0.4ms	1.5V	3.0MHz	USP-9B01
XCL237E1F3D2-G		Soft-Start Time:0.4ms	1.55V	3.0MHz	USP-9B01
XCL237E163D2-G		Soft-Start Time:0.4ms	1.6V	3.0MHz	USP-9B01
XCL237E1H3D2-G		Soft-Start Time:0.4ms	1.65V	3.0MHz	USP-9B01
XCL237E173D2-G		Soft-Start Time:0.4ms	1.7V	3.0MHz	USP-9B01
XCL237E1K3D2-G		Soft-Start Time:0.4ms	1.75V	3.0MHz	USP-9B01
XCL237E183D2-G		Soft-Start Time:0.4ms	1.8V	3.0MHz	USP-9B01
XCL237E1L3D2-G		Soft-Start Time:0.4ms	1.85V	3.0MHz	USP-9B01
XCL237E193D2-G		Soft-Start Time:0.4ms	1.9V	3.0MHz	USP-9B01
XCL237E1M3D2-G		Soft-Start Time:0.4ms	1.95V	3.0MHz	USP-9B01
XCL237E203D2-G		Soft-Start Time:0.4ms	2V	3.0MHz	USP-9B01
XCL237E2A3D2-G		Soft-Start Time:0.4ms	2.05V	3.0MHz	USP-9B01
XCL237E213D2-G		Soft-Start Time:0.4ms	2.1V	3.0MHz	USP-9B01
XCL237E2B3D2-G		Soft-Start Time:0.4ms	2.15V	3.0MHz	USP-9B01
XCL237E223D2-G		Soft-Start Time:0.4ms	2.2V	3.0MHz	USP-9B01
XCL237E2C3D2-G		Soft-Start Time:0.4ms	2.25V	3.0MHz	USP-9B01
XCL237E233D2-G		Soft-Start Time:0.4ms	2.3V	3.0MHz	USP-9B01
XCL237E2D3D2-G		Soft-Start Time:0.4ms	2.35V	3.0MHz	USP-9B01
XCL237E243D2-G		Soft-Start Time:0.4ms	2.4V	3.0MHz	USP-9B01
XCL237E2E3D2-G		Soft-Start Time:0.4ms	2.45V	3.0MHz	USP-9B01
XCL237E253D2-G		Soft-Start Time:0.4ms	2.5V	3.0MHz	USP-9B01
XCL237E2F3D2-G		Soft-Start Time:0.4ms	2.55V	3.0MHz	USP-9B01
XCL237E263D2-G		Soft-Start Time:0.4ms	2.6V	3.0MHz	USP-9B01
XCL237E2H3D2-G		Soft-Start Time:0.4ms	2.65V	3.0MHz	USP-9B01
XCL237E273D2-G		Soft-Start Time:0.4ms	2.7V	3.0MHz	USP-9B01
XCL237E2K3D2-G		Soft-Start Time:0.4ms	2.75V	3.0MHz	USP-9B01
XCL237E283D2-G		Soft-Start Time:0.4ms	2.8V	3.0MHz	USP-9B01
XCL237E2L3D2-G		Soft-Start Time:0.4ms	2.85V	3.0MHz	USP-9B01
XCL237E293D2-G		Soft-Start Time:0.4ms	2.9V	3.0MHz	USP-9B01
XCL237E2M3D2-G		Soft-Start Time:0.4ms	2.95V	3.0MHz	USP-9B01
XCL237E303D2-G		Soft-Start Time:0.4ms	3V	3.0MHz	USP-9B01
XCL237E3A3D2-G		Soft-Start Time:0.4ms	3.05V	3.0MHz	USP-9B01
XCL237E313D2-G		Soft-Start Time:0.4ms	3.1V	3.0MHz	USP-9B01
XCL237E3B3D2-G		Soft-Start Time:0.4ms	3.15V	3.0MHz	USP-9B01
XCL237E323D2-G		Soft-Start Time:0.4ms	3.2V	3.0MHz	USP-9B01
XCL237E3C3D2-G		Soft-Start Time:0.4ms	3.25V	3.0MHz	USP-9B01
XCL237E333D2-G		Soft-Start Time:0.4ms	3.3V	3.0MHz	USP-9B01
XCL237E3D3D2-G		Soft-Start Time:0.4ms	3.35V	3.0MHz	USP-9B01
XCL237E343D2-G		Soft-Start Time:0.4ms	3.4V	3.0MHz	USP-9B01
XCL237E3E3D2-G		Soft-Start Time:0.4ms	3.45V	3.0MHz	USP-9B01
XCL237E353D2-G		Soft-Start Time:0.4ms	3.5V	3.0MHz	USP-9B01
XCL237E3F3D2-G		Soft-Start Time:0.4ms	3.55V	3.0MHz	USP-9B01
XCL237E363D2-G		Soft-Start Time:0.4ms	3.6V	3.0MHz	USP-9B01

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