LTC3537 ldo equivalent, 600ma synchronous step-up dc/dc converter and 100ma ldo.
n High Efficiency Step-Up DC/DC Converter and LDO
Step-Up n VIN: 0.68V to 5V, VOUT: 1.5V to 5.25V IOUT: 100mA at 3.3V, VIN >0.8V n 2.2MHz Fixed Frequency Operation n Synch.
n Wireless Microphones n Portable Medical instruments n Noise Cancelling/Portable Headsets n RF and Audio Power
DESCRIP.
The LTC®3537 combines a high efficiency, 2.2MHz step-up DC/DC converter with an independent 100mA low dropout regulator (LDO). The step-up converter starts from an input voltage as low as 0.68V and contains an internal 0.4Ω switch and a 0.6Ω synchrono.
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