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

The XCL238 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 Range2.5V ~ 5.5V
Output Voltage Range0.80V ~ 1.00V (±20mV)
1.05V ~ 3.60V (±2.0%)
Output Current1.5A
Oscillation Frequency3.0MHz
Efficiency89%(VIN=3.8V,VOUT=1.8V,IOUT=500mA)
Quiescent Current25μA
Control MethodsHiSAT-COT Control
PWM/PFM Auto
Protection FunctionsThermal Shutdown
Current Limit
Short Protection
FunctionsSoft-Start
UVLO
CL Discharge
Input/Output CapacitorCeramic 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

XCL238 Series Part Numbers

Part number Sample Type Output Voltage Oscillation Frequency Package EDA Online Store
XCL238B083D2-G Soft-Start Time:0.3ms 0.8V 3.0MHz USP-9B01
XCL238B0L3D2-G Soft-Start Time:0.3ms 0.85V 3.0MHz USP-9B01
XCL238B093D2-G Soft-Start Time:0.3ms 0.9V 3.0MHz USP-9B01
XCL238B0M3D2-G Soft-Start Time:0.3ms 0.95V 3.0MHz USP-9B01
XCL238B103D2-G Soft-Start Time:0.3ms 1V 3.0MHz USP-9B01
XCL238B1A3D2-G Soft-Start Time:0.3ms 1.05V 3.0MHz USP-9B01
XCL238B113D2-G Soft-Start Time:0.3ms 1.1V 3.0MHz USP-9B01
XCL238B1B3D2-G Soft-Start Time:0.3ms 1.15V 3.0MHz USP-9B01
XCL238B123D2-G Soft-Start Time:0.3ms 1.2V 3.0MHz USP-9B01
XCL238B1C3D2-G Soft-Start Time:0.3ms 1.25V 3.0MHz USP-9B01
XCL238B133D2-G Soft-Start Time:0.3ms 1.3V 3.0MHz USP-9B01
XCL238B1D3D2-G Soft-Start Time:0.3ms 1.35V 3.0MHz USP-9B01
XCL238B143D2-G Soft-Start Time:0.3ms 1.4V 3.0MHz USP-9B01
XCL238B1E3D2-G Soft-Start Time:0.3ms 1.45V 3.0MHz USP-9B01
XCL238B153D2-G Soft-Start Time:0.3ms 1.5V 3.0MHz USP-9B01
XCL238B1F3D2-G Soft-Start Time:0.3ms 1.55V 3.0MHz USP-9B01
XCL238B163D2-G Soft-Start Time:0.3ms 1.6V 3.0MHz USP-9B01
XCL238B1H3D2-G Soft-Start Time:0.3ms 1.65V 3.0MHz USP-9B01
XCL238B173D2-G Soft-Start Time:0.3ms 1.7V 3.0MHz USP-9B01
XCL238B1K3D2-G Soft-Start Time:0.3ms 1.75V 3.0MHz USP-9B01
XCL238B183D2-G Soft-Start Time:0.3ms 1.8V 3.0MHz USP-9B01
XCL238B1L3D2-G Soft-Start Time:0.3ms 1.85V 3.0MHz USP-9B01
XCL238B193D2-G Soft-Start Time:0.3ms 1.9V 3.0MHz USP-9B01
XCL238B1M3D2-G Soft-Start Time:0.3ms 1.95V 3.0MHz USP-9B01
XCL238B203D2-G Soft-Start Time:0.3ms 2V 3.0MHz USP-9B01
XCL238B2A3D2-G Soft-Start Time:0.3ms 2.05V 3.0MHz USP-9B01
XCL238B213D2-G Soft-Start Time:0.3ms 2.1V 3.0MHz USP-9B01
XCL238B2B3D2-G Soft-Start Time:0.3ms 2.15V 3.0MHz USP-9B01
XCL238B223D2-G Soft-Start Time:0.3ms 2.2V 3.0MHz USP-9B01
XCL238B2C3D2-G Soft-Start Time:0.3ms 2.25V 3.0MHz USP-9B01
XCL238B233D2-G Soft-Start Time:0.3ms 2.3V 3.0MHz USP-9B01
XCL238B2D3D2-G Soft-Start Time:0.3ms 2.35V 3.0MHz USP-9B01
XCL238B243D2-G Soft-Start Time:0.3ms 2.4V 3.0MHz USP-9B01
XCL238B2E3D2-G Soft-Start Time:0.3ms 2.45V 3.0MHz USP-9B01
XCL238B253D2-G Soft-Start Time:0.3ms 2.5V 3.0MHz USP-9B01
XCL238B2F3D2-G Soft-Start Time:0.3ms 2.55V 3.0MHz USP-9B01
XCL238B263D2-G Soft-Start Time:0.3ms 2.6V 3.0MHz USP-9B01
XCL238B2H3D2-G Soft-Start Time:0.3ms 2.65V 3.0MHz USP-9B01
XCL238B273D2-G Soft-Start Time:0.3ms 2.7V 3.0MHz USP-9B01
XCL238B2K3D2-G Soft-Start Time:0.3ms 2.75V 3.0MHz USP-9B01
XCL238B283D2-G Soft-Start Time:0.3ms 2.8V 3.0MHz USP-9B01
XCL238B2L3D2-G Soft-Start Time:0.3ms 2.85V 3.0MHz USP-9B01
XCL238B293D2-G Soft-Start Time:0.3ms 2.9V 3.0MHz USP-9B01
XCL238B2M3D2-G Soft-Start Time:0.3ms 2.95V 3.0MHz USP-9B01
XCL238B303D2-G Soft-Start Time:0.3ms 3V 3.0MHz USP-9B01
XCL238B3A3D2-G Soft-Start Time:0.3ms 3.05V 3.0MHz USP-9B01
XCL238B313D2-G Soft-Start Time:0.3ms 3.1V 3.0MHz USP-9B01
XCL238B3B3D2-G Soft-Start Time:0.3ms 3.15V 3.0MHz USP-9B01
XCL238B323D2-G Soft-Start Time:0.3ms 3.2V 3.0MHz USP-9B01
XCL238B3C3D2-G Soft-Start Time:0.3ms 3.25V 3.0MHz USP-9B01
XCL238B333D2-G Soft-Start Time:0.3ms 3.3V 3.0MHz USP-9B01
XCL238B3D3D2-G Soft-Start Time:0.3ms 3.35V 3.0MHz USP-9B01
XCL238B343D2-G Soft-Start Time:0.3ms 3.4V 3.0MHz USP-9B01
XCL238B3E3D2-G Soft-Start Time:0.3ms 3.45V 3.0MHz USP-9B01
XCL238B353D2-G Soft-Start Time:0.3ms 3.5V 3.0MHz USP-9B01
XCL238B3F3D2-G Soft-Start Time:0.3ms 3.55V 3.0MHz USP-9B01
XCL238B363D2-G Soft-Start Time:0.3ms 3.6V 3.0MHz USP-9B01
XCL238E083D2-G Soft-Start Time:0.4ms 0.8V 3.0MHz USP-9B01
XCL238E0L3D2-G Soft-Start Time:0.4ms 0.85V 3.0MHz USP-9B01
XCL238E093D2-G Soft-Start Time:0.4ms 0.9V 3.0MHz USP-9B01
XCL238E0M3D2-G Soft-Start Time:0.4ms 0.95V 3.0MHz USP-9B01
XCL238E103D2-G Soft-Start Time:0.4ms 1V 3.0MHz USP-9B01
XCL238E1A3D2-G Soft-Start Time:0.4ms 1.05V 3.0MHz USP-9B01
XCL238E113D2-G Soft-Start Time:0.4ms 1.1V 3.0MHz USP-9B01
XCL238E1B3D2-G Soft-Start Time:0.4ms 1.15V 3.0MHz USP-9B01
XCL238E123D2-G Soft-Start Time:0.4ms 1.2V 3.0MHz USP-9B01
XCL238E1C3D2-G Soft-Start Time:0.4ms 1.25V 3.0MHz USP-9B01
XCL238E133D2-G Soft-Start Time:0.4ms 1.3V 3.0MHz USP-9B01
XCL238E1D3D2-G Soft-Start Time:0.4ms 1.35V 3.0MHz USP-9B01
XCL238E143D2-G Soft-Start Time:0.4ms 1.4V 3.0MHz USP-9B01
XCL238E1E3D2-G Soft-Start Time:0.4ms 1.45V 3.0MHz USP-9B01
XCL238E153D2-G Soft-Start Time:0.4ms 1.5V 3.0MHz USP-9B01
XCL238E1F3D2-G Soft-Start Time:0.4ms 1.55V 3.0MHz USP-9B01
XCL238E163D2-G Soft-Start Time:0.4ms 1.6V 3.0MHz USP-9B01
XCL238E1H3D2-G Soft-Start Time:0.4ms 1.65V 3.0MHz USP-9B01
XCL238E173D2-G Soft-Start Time:0.4ms 1.7V 3.0MHz USP-9B01
XCL238E1K3D2-G Soft-Start Time:0.4ms 1.75V 3.0MHz USP-9B01
XCL238E183D2-G Soft-Start Time:0.4ms 1.8V 3.0MHz USP-9B01
XCL238E1L3D2-G Soft-Start Time:0.4ms 1.85V 3.0MHz USP-9B01
XCL238E193D2-G Soft-Start Time:0.4ms 1.9V 3.0MHz USP-9B01
XCL238E1M3D2-G Soft-Start Time:0.4ms 1.95V 3.0MHz USP-9B01
XCL238E203D2-G Soft-Start Time:0.4ms 2V 3.0MHz USP-9B01
XCL238E2A3D2-G Soft-Start Time:0.4ms 2.05V 3.0MHz USP-9B01
XCL238E213D2-G Soft-Start Time:0.4ms 2.1V 3.0MHz USP-9B01
XCL238E2B3D2-G Soft-Start Time:0.4ms 2.15V 3.0MHz USP-9B01
XCL238E223D2-G Soft-Start Time:0.4ms 2.2V 3.0MHz USP-9B01
XCL238E2C3D2-G Soft-Start Time:0.4ms 2.25V 3.0MHz USP-9B01
XCL238E233D2-G Soft-Start Time:0.4ms 2.3V 3.0MHz USP-9B01
XCL238E2D3D2-G Soft-Start Time:0.4ms 2.35V 3.0MHz USP-9B01
XCL238E243D2-G Soft-Start Time:0.4ms 2.4V 3.0MHz USP-9B01
XCL238E2E3D2-G Soft-Start Time:0.4ms 2.45V 3.0MHz USP-9B01
XCL238E253D2-G Soft-Start Time:0.4ms 2.5V 3.0MHz USP-9B01
XCL238E2F3D2-G Soft-Start Time:0.4ms 2.55V 3.0MHz USP-9B01
XCL238E263D2-G Soft-Start Time:0.4ms 2.6V 3.0MHz USP-9B01
XCL238E2H3D2-G Soft-Start Time:0.4ms 2.65V 3.0MHz USP-9B01
XCL238E273D2-G Soft-Start Time:0.4ms 2.7V 3.0MHz USP-9B01
XCL238E2K3D2-G Soft-Start Time:0.4ms 2.75V 3.0MHz USP-9B01
XCL238E283D2-G Soft-Start Time:0.4ms 2.8V 3.0MHz USP-9B01
XCL238E2L3D2-G Soft-Start Time:0.4ms 2.85V 3.0MHz USP-9B01
XCL238E293D2-G Soft-Start Time:0.4ms 2.9V 3.0MHz USP-9B01
XCL238E2M3D2-G Soft-Start Time:0.4ms 2.95V 3.0MHz USP-9B01
XCL238E303D2-G Soft-Start Time:0.4ms 3V 3.0MHz USP-9B01
XCL238E3A3D2-G Soft-Start Time:0.4ms 3.05V 3.0MHz USP-9B01
XCL238E313D2-G Soft-Start Time:0.4ms 3.1V 3.0MHz USP-9B01
XCL238E3B3D2-G Soft-Start Time:0.4ms 3.15V 3.0MHz USP-9B01
XCL238E323D2-G Soft-Start Time:0.4ms 3.2V 3.0MHz USP-9B01
XCL238E3C3D2-G Soft-Start Time:0.4ms 3.25V 3.0MHz USP-9B01
XCL238E333D2-G Soft-Start Time:0.4ms 3.3V 3.0MHz USP-9B01
XCL238E3D3D2-G Soft-Start Time:0.4ms 3.35V 3.0MHz USP-9B01
XCL238E343D2-G Soft-Start Time:0.4ms 3.4V 3.0MHz USP-9B01
XCL238E3E3D2-G Soft-Start Time:0.4ms 3.45V 3.0MHz USP-9B01
XCL238E353D2-G Soft-Start Time:0.4ms 3.5V 3.0MHz USP-9B01
XCL238E3F3D2-G Soft-Start Time:0.4ms 3.55V 3.0MHz USP-9B01
XCL238E363D2-G Soft-Start Time:0.4ms 3.6V 3.0MHz USP-9B01

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