RT9912A

Multi-Channel Power Management IC for Portable Device

The RT9912A is a multi-channel power management IC providing power conversion and system power manage-ment functions for one or two alkaline battery powered portable handheld device.
The RT9912A integrates one high efficiency synchronous buck regulator, one high efficiency boost regulator, one linear regulator and one adjustable voltage detector for reset function.

Applications

DSC
Portable Multimedia Player
GPS

Key Spec. & Features

Key Spec.
	RT9912A
Status	EOL
Vin (min) (V)	1.7
Vin (max) (V)	5
Number of Channels	3
Number of Buck Converters	1
Number of Boost Converters	1
Number of Negative Outputs	0
Number of LED Drivers	0
Number of LDO Regulators	1
Application	Portable device
Features	Enable Input;Low Dropout;OCP
Package Type	WQFN4x4-24

Features

300mA Sync. Step Down Converter for V_CORE
300mA Sync. Step Up Converter for IO and Memory
High Efficiency Up to 92%
Low Dropout Linear Regulator
Adjustable Voltage Detector for Reset Function
Current Limit Protection
Thermal Shutdown Protection
Low Operation Current Consumption
Small 24-Lead WQFN Package
RoHS Compliant and Halogen Free