TLS115B0

High Precision Voltage Tracker

Application information

Data Sheet

20

Rev. 1.00

2016-10-13

5.2.2

Output pin

output current IOUT” on Page 14 shows the stable operation range of the TLS115B0.

For automotive environment, ceramic capacitors with X5R or X7R dielectrics are recommended.

output pin and GND pin.

output stability in the application.

5.2.3

Adjust pin

Figure 4 shows a typical Adjust circuitry for a voltage tracking regulator. Typically the Adjust Pin is connected

to a fixed voltage reference that the regulator tracks. In the example of the application diagram ADJ is

connected to the supply voltage of a microcontroller. The voltage reference can also be adjusted by a voltage

divider.

5.3

Thermal considerations

Knowing the input voltage, the output voltage and the load profile of the application, the total power

dissipation can be calculated:

(5.1)

with

(5.2)

with

Based on the above calculation the proper PCB type and the necessary heat sink area can be determined with

reference to the specification in “Thermal resistance” on Page 8.

Example

Application conditions:

–

() I

OUT

×

×

+

=

,

,

–

----------------------------

=