Overview
The <MM3472> delivers the world's leading class low-consumption and high-efficiency to meet market demands for longer continuous operating times and lower heat generation of cell phone devices.
The chief target devices are cell phones operating on 2 to 5 V power sources, and contribute to lower power consumption of the installed set.
Features
- Low-consumption and high-efficiency (11µA consumption current).
50µW self-consumption power during standby.
Power savings of 20% or more compared to conventional products. - PWM/PFM operation mode switching function.
A lower noise PWM fixed mode and light load high-efficiency PWM/PFM mode can be selected at will to suit the design concept of the installed set. - Space efficient.
The package comes in a 2.0 × 2.0 mm SSON and SOT lineup.
An oscillating frequency of 2.25 MHz allows a more compact inductor to be selected.
Main specifications
|
Input voltage range |
2.0~5.5V |
|---|---|
|
Output voltage range |
0.8~3.3V |
|
FB voltage (PWM mode) |
VFB±1.5% |
|
FB voltage (PFM mode) |
VFB±2% |
|
Output current capacity |
600mA |
|
Switching frequency |
2.25MHz typ. |
|
Consumption current (with switching stopped) |
11µA typ. |
|
Efficiency (VIN = 3.6 V, VOUT = 1.8 V) |
Io=0.01mA @25% Io=100mA @90% |
|
Protection function |
UVLO, current limit, thermal shutdown |
|
Control method |
Automatic PWM/PFM switching control |
|
Package |
SSON-6L/SOT-26A |
|
Dimensions |
2.0 × 2.0 × 0.75 mm (SSON-6L) 2.9 × 2.8 × 1.15 mm (SOT-26A) |