FYI, we get a lot of posts about people wanting to monitor batteries and such and they
usually complain that the standby current is too high.
The specs for the TLS202A1 look interesting:
• Adjustable Output Voltage from 1.2 V to 5.25 V
• Output Voltage Accuracy of ±3 %
• Output Currents up to 150 mA
• Extended Input Voltage Operating Range of 2.7 V to 18 V
• Low Dropout Voltage: typ. 290mV
• Very Low Current Consumption: typ. 50 µA
• Very High PSRR: typ. 65dB at 10kHz
• Output Current Limitation
• Short Circuit protected
• Overtemperature Shutdown
• Wide Temperature Range From -40 °C up to 150 °C
• Suitable for Use in Automotive Electronics as Post Regulator
• Green Product (RoHS compliant)
• AEC Qualified