AiT Semiconductor Inc. Inc.
www.ait-ic.com
A7530
350KHz PFM STEP-UP DC-DC CONVERTER INTERNAL SWITCH W/HIGH EFFICIENCY AND LOW NOISE
DESCRIPTION
A7530 is CMOS-based PFM step-up DC-DC converter. The converter can start up by supply voltage as low as 0.8V input Voltage. Quiescent current drawn from power source is as low as 7uA. All of these features make A7530 be suitable for the portable devices, which are supplied by a single battery to four-cell batteries. To reduce the noise caused by the sw.