NCP1509 converter equivalent, high efficiency synchronous step-down dc-dc converter.
* High Efficiency:
92.5% for 1.8 V Output at 3.6 V Input and 125 mA Load Current 91% for 1.8 V Output at 3.6 V Input and 300 mA Load Current
* Digital Programmabl.
powered from 1−cell Li−ion or 3 cell Alkaline/NiCd/NiMH batteries. This DC−DC converter utilizes a current−mode control .
Pin Number
Name
Type
1
GNDA
Analog GND
2
GNDP
Power GND
3 LX Power Output
4
VCCP
Power Input
5
VCCA
Power Input
6 FB Analog Input
7 CB0 Analog Input
8 CB1 Analog Input
9
SHD
Analog Input
10
SYNC
Analog Input
Description
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