ER3105DI regulator equivalent, synchronous buck regulator.
a PFM mode for improved efficiency at light loads. This feature can be disabled if forced PWM mode is desired. The part switches at a default frequency of 500kHz but may .
The ER3105DI integrates both high-side and low-side NMOS FET's and features a PFM mode for improved efficiency at light.
PIN NUMBER 1
SYMBOL SS
2 SYNC
3
4 5 6 7
8 9 10
11
12 EPAD
BOOT
PVIN SW PGND EN
POK AVINO
FB
COMP
FSW GND
PIN DESCRIPTION
The SS pin controls the soft-start ramp time of the output. A single capacitor from the SS pin to ground determines the ou.
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