Table of Contents
Advertisement
RTKA211405DE0000BU Evaluation Board Manual
1.
Functional Description
The RTKA211405DE0000BU evaluation board provides a comprehensive and versatile platform for you to asses
functionality and prototype an application with the integrated 5V, 300mA buck regulator RAA211405. The board
has options for evaluating most features of the RAA211405 and includes test points that facilitate probing.
1.1
Operational Characteristics
The RTKA211405DE0000BU evaluation board evaluates the RAA211405 with VIN from 7V to 40V and a
continuous load of 300mA. Renesas recommends operating the board within the specifications for the proper
functioning of the evaluation board.
You can connect EN to VIN through a resistor, or you can connect EN to external logic voltage for enable and
disable.
1.2
Connectors, Test Points, Selection Switches, and Jumper Descriptions
The RTKA211405DE0000BU evaluation board includes I/O connectors, test points, selection switches, and
jumpers to provide a comprehensive and versatile platform for evaluating the RAA211405 (see
Reference
Designator
J1
Input voltage positive connection
J2
Input voltage return connection
J3
Output voltage positive connection
J4
Output voltage return connection
TP1
GND test point
TP2
VSW
TP3
ENABLE test point
1.3
Recommended Equipment
▪ A power supply that can deliver 40V or higher with at least 350mA source current capability.
▪ Electronic load capable of sinking at least 350mA current.
▪ 4-channel oscilloscope with voltage and current probes.
1.4
Quick Start Guide
Complete the following steps to configure and power up the board properly.
1. Set the power supply voltage to 24V and turn off the power supply. Connect the positive output of the power
supply to J1 (VIN) and the negative output to J2 (GND).
2. Connect an electronic load to J3 (VOUT) for the positive connection and J4 (GND) for the negative connection.
3. Place scope probes to VOUT (J3), VSW (TP2), and/or other test points of interest.
4. Set the load current to 0.1A and turn on the power supply. The output voltage should be in regulation with
nominal 5V output.
5. Slowly increase the load up to 300mA. The output voltage should remain in regulation with nominal 5V output.
6. Slowly sweep VIN from 7V to 40V. The output voltage should remain in regulation with nominal 5V output.
7. Decrease the input voltage to 0V to shut down the regulator.
R16UZ0071EU0101 Rev.1.01
Dec 1, 2023
Table 1. Connectors, Test Points, and Jumper Descriptions
Description
Table
1).
Page 3
Advertisement
Table of Contents
