Connector and Test Point Descriptions

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3.1.4

J4 VOUT

This header is the positive output of the step-down converter. The output voltage of the devices in the

TPS826xx families have fixed output voltages; refer to the specific device data sheet for detailed

information on the device output voltage.

3.1.5

J5 S+/S

–

J5 S+/S

– are the sense connection for the output of the converter. Connect a voltmeter, sense connection

of an electronic load, or oscilloscope to this header.

3.1.6

J6 GND

J6 is the return connection of the converter. A load can be connected between J6 and J4 (VOUT).

3.2

Jumpers and Switches

3.2.1

JP1 ENABLE

This jumper enables/disables the converter on the EVM. Placing a shorting bar between ENABLE and ON

turns on the converter. Placing a shorting bar between ENABLE and OFF disables the converter.

3.2.2

JP2 MODE

This jumper enables/disables the power-saving mode under light loads. Placing a shorting bar between

MODE and PWM disables the power-saving mode. If the power-save mode is disabled, the converter

operates in forced PWM mode over the entire load current range.

Placing a shorting bar between MODE and PSM enables the power-saving mode. The device operates in

power-saving mode under light load conditions. See the specific device data sheet for detailed information.

4

TPS826xxEVM

SLVU383D

– October 2010 – Revised November 2011

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