PFM STEP-UP DC-DC CONVERTER
WITH HIGH EFFICIENCY AND LOW NOICE
A7530
Description
A7530 is
CMOS-based PFM step-up DC-DC converter.
The converter can start up by
Features
Deliver 200mA at 3.
3V Output
Voltage with 1.
8V Input
Voltage Low Start-Up
Voltage @1mA:0.
8V The Converter Output
Voltage Can Be Adjusted From 2.
5V~6.
0V (in 0.
1V step) Output
Voltage Accuracy:±2% Low Temperature-Drift Coefficient of the Output
Voltage: ±100ppm/ C Only Three External Components are needed: an Inductor, a Schottky Diode and an Output Filter Capacitor.
High Power Conversion Efficiency: 85% Low Quiescent Current Drawn from Power Source: 7uA
o
supply
voltage as low as 0.
8V, and capable of delivering maximum 20...