December 21, 2018
Holtek HT7133-1 - 30mA LDO : weekend die-shotHoltek HT7133-1 is a tiny CMOS LDO able to deliver 30mA. 5-bit fuses on the left side is likely for output voltage trim (3% specified Vout tolerance), some of the voltage customization has to be done via masks. Die size 499x490 µm.
Closer look at fuses: