EVAL-ADP5090 Datasheet, PDF (5/8 Pages) Analog Devices – Evaluation Board for the ADP5090 Ultralow Power Boost Regulator

EVAL-ADP5090 User Guide
Output Voltage Change
The output voltage of the EVAL-ADP5090 is preset to 3.5 V.
However, the output voltage can be adjusted using the following
equation:
V_SYS

3
2
V_REF
^{1 }
R3
R6

INPUT VOLTAGE
REGULATION
REFERENCE
(MPPT RATIO x
OCV)
UG-708
To prevent deeply discharging storage elements at the BAT pin,
the voltage threshold can be programmed using the following
equation:
V_SETSD
 V_{REF }1 
R2
R5

where VREF, the typical internal reference voltage, is 1.21 V.
VOLTAGE
SOURCE METER
(CURRENT SINK)
–
+
CURRENT SOURCE
WITH VOLTAGE LIMIT
Figure 3. Test Setup for Measuring the Efficiency of the EVAL-ADP5090
Rev. 0 | Page 5 of 8