Buck Converter
MI5318A-TF4
Buck Converter
Buck Converter in a TDFN3x3-10L package.
TDFN3x3-10L RoHS Halogen Free AVAILABLE
MI5318A-TF4
MAGNIAS
Package: TDFN3x3-10L
Features
- Ultra-High Efficiency
- 4700ppm/°C RDS(ON) Current Sensing ( without Current-Sense Resistor )
- Quasi-PWM with 100ns Load-Step Response
- Built-in 0.5% 0.7V Reference
- 0.7V to 2.6V Adjustable Output Range
- 4.5V to 28V Battery Input Range
- 4 Selectable Frequency Setting
- Integrated Boost Switch
- OVP & UVP
- 1.5ms Voltage Servo Soft-Start
- Drives Large Synchronous-Rectifier FETs
- Power-Good Indicator
- Thermal Shutdown (Non-latch)
Applications
- Notebook Computers
- CPU Core Supply
- I/O Supply
- Chipset/RAM Supply as Low as 0.7V
Key specifications
Package
TDFN3x3-10L
Input Voltage Range
4.5V ~ 28V (battery input); VCC 4.5V ~ 6.5V
Output Voltage Range
0.7V ~ 2.6V
Max Output Current
Set by external MOSFETs (controller); ILIM via TRIP pin
Switching Frequency
290kHz ~ 430kHz
Efficiency
High
Control Scheme
Constant On-Time (Quasi-PWM), RDS(on) current sensing
Soft Start
1.5ms
Protections
OVP, UVP, Thermal Shutdown, OCP
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