* a PWM/PFM switching controller that can switch the operation to a PFM controller with a duty ratio is 15% under a light load to prevent a decline in the efficiency due to the IC operating current.
* Features
* Low voltage operation : Startup at 0.9 V min. (IOUT = 1 mA) guaranteed
S-8355
Seiko Instruments
1.51 MB
Pwm/pfm switchable switching regulator controller.
S-8355/56/57/58 Series STEP-UP, SUPER-SMALL PACKAGE, 600 kHz, PWM CONTROL or www.sii-ic.com PWM/PFM SWITCHABLE SWITCHING REGULATOR CONTROLLER © SI.
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