iModule M4644
The M4644 is a qual 4A step-down switching mode Power SoC (System on Chip) with integrated power MosFETs, inductor and input decoupling capacitor in BGA-77 package. The input voltage is from 4.5V to 16V with excellent load regulation and line regulation. The M4644 provides high efficiency with Constant On Time (COT) control mode for fast transient response and good loop stability.FEATURES
● Wide Input Voltage from 4.5V to 16V● Adjustable Output Voltage from 0.6V to 12V
● Continuous Output Current
● Qual 4A Continuous Current
● Dual 7A Continuous Current within 3.3V output voltage
● Internal Soft-Start Time 2.8ms
● Stable with low ESR Ceramic Capacitors
● Pre-Biased Output Start-Up
● Constant On Time (COT) control mode
● Enable Control
● Power Good (PG) Indicator
● Cycle-by-Cycle Output Current Limit Protection
● Short Circuit and Over-Load Hiccup Protection
● Thermal Shutdown Protection
● BGA-77(9mm×15mm×5mm) Package
● Pb-Free RoHS Compliant
DESCRIPTION
M4644 has internal automatic compensation, and the output voltage is adjustable from 0.6V to 12V by a bottom feedback resistor. M4644 can also provide OCP, SCP, UVP, output voltage limit, and thermal shutdown protection.APPLICATIONS
● Telecom Systems● Servers & Data Centers
● Solid-State and Hard Disk Drives
● PoLs Power Supply TYPICAL APPLICATION&EFFICIENCY VIN 4.5V to 18V CIN VIN1 VOUT1 PG1 VIN2 FB1 R1 VIN3...