RT9912A
RT9912A is Multi-Channel Power Management IC manufactured by Richtek.
Description
The RT9912A is a multi-channel power management IC providing power conversion and system power management 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.
Features z z z z z z z z z
300m A Sync. Step Down Converter for VCORE 300m A 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 Ro HS pliant and Halogen Free
Ordering Information
RT9912A Package Type QW : WQFN-24L 4x4 (W-Type) Lead Plating System G : Green (Halogen Free and Pb Free)
Note : Richtek products are :
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Applications z z z
DSC Portable Multimedia Player GPS
Pin Configurations
(TOP VIEW)
PGND1 VOUT1 VBAT GND
19 18 17 16
Ro HS pliant and patible with the current requirements of IPC/JEDEC J-STD-020. Suitable for use in Sn Pb or Pb-free soldering processes.
Marking Information
For marking information, contact our sales representative directly or through a Richtek distributor located in your area.
VDD1 FB1 ENSW PSW NC ENBST
`
LX1
1 2 3 4 5 6 7 8 9 10 11 25 12
FB4 VDD4 RESET ENBUK VDD3 FB3
15 14 13
VDD2
FB2
PGND2
WQFN-24L 4x4
DS9912A-01 April 2011
VOUT3
LX2
PVDD2
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