SNVSB77B December   2019  – September 2021

PRODUCTION DATA

1. Features
2. Applications
3. Description
4. Revision History
5. Pin Configuration and Functions
6. Specifications
7. Detailed Description
1. 7.1 Overview
2. 7.2 Functional Block Diagram
3. 7.3 Feature Description
4. 7.4 Device Functional Modes
8. Application and Implementation
1. 8.1 Application Information
2. 8.2 Typical Application
1. 8.2.1 Design Requirements
2. 8.2.2 Detailed Design Procedure
3. 8.2.3 Application Curves
9. Power Supply Recommendations
10. 10Layout
11. 11Device and Documentation Support
1. 11.1 Device Support
2. 11.2 Documentation Support
4. 11.4 Support Resources
6. 11.6 Electrostatic Discharge Caution
7. 11.7 Glossary
12. 12Mechanical, Packaging, and Orderable Information

• RDA|15

### 7.3.1 Adjusting the Output Voltage

A resistor divider connected to the FB pin (pin 9) sets the output voltage of the TPSM53603. The output voltage adjustment range is from 1 V to 7 V. Figure 7-1 shows the feedback resistor connections for setting the output voltage. The recommended value of RFBT is 10 kΩ. The value for RFBB can be calculated using Equation 1. Table 7-1 lists the standard resistor values for several output voltages. The minimum required output capacitance for each output voltage is also included in Table 7-1. The capacitance values listed represent the effective capacitance, taking into account the effects of DC bias and temperature variation.

Equation 1.
Figure 7-1 Setting the Output Voltage
Table 7-1 Setting the Output Voltage
VOUT (V)RFBB (kΩ)(1)COUT(MIN) (µF)
(EFFECTIVE)
VOUT (V)RFBB (kΩ)(1)COUT(MIN) (µF)
(EFFECTIVE)
1.0open1503.04.9948
1.11001403.34.3243
1.249.91284.03.3235
1.333.21174.52.8731
1.424.91085.02.4928
1.520.01015.52.2125
1.812.4836.02.0023
2.010.0746.51.8221
2.56.65587.01.6519
RFBT = 10.0 kΩ