Description
XCL221/XCL222 Series ETR28008-002a HiSAT-COT ® Control 0.5A Inductor Built-in Step-Down “micro DC/DC” Converters ☆Green Operation Compatible *G.
The XCL221/XCL222 series is a synchronous step-down micro DC/DC converter which integrates an inductor and a control IC in one tiny package (2.
Features
* Input Voltage
: 2.5V ~ 5.5V
Output Voltage
: 0.8V ~ 3.6V (±2.0%)
Oscillation Frequency : 1.2MHz
Output Current
: 500mA
Efficiency Control Methods
: 93% (VIN=5.0V, VOUT=3.3V/200mA) : HiSAT-COT
100% Duty Cycle
PWM (XCL221)
PWM/PFM (XCL222)
Circuit Protection
: Thermal Shut Down
Current
Applications
* that require an internally fixed output voltage (0.8V to 3.6V). The XCL221/XCL222 series uses synchronous rectification at an operating frequency of 1.2MHz. The XCL221/XCL222 series uses HiSAT-COT (
* ) synchronous rectification. HiSAT-COT+PWM control (XCL221) or HiSATCOT+automatic PWM/PFM switchi