Datasheet

www.ti.com

Test Procedure

Table 2. Switching Frequency Selection

Jumper Set to Resistor (RF) Connections (Ω) Switching Frequency (kHz)

Top(1-2 pin shorted) 0 250

Second (3-4 pin shorted) 187k 300

Third (5-6 pin shorted) 619k 400

Fourth (7-8 pin shorted) Open 500

Fifth (9-10 pin shorted) 866k 650

Sixth (11-12 pin shorted) 309k 750

Seventh (13-14 pin shorted) 124k 850

Bottom (15-16 pin shorted) 0 1000

6.2 Soft-Start Selection

The soft-start time can be set by J2.

Default setting: 0.7ms

Table 3. Soft-Start Selection

Jumper Set to R

MODE

Connections (Ω) Soft-Start Time (ms)

Top (1-2 pin shorted) 39.2k 0.7

Second (3-4 pin shorted) 100k 1.4

Third (5-6 pin shorted) 200k 2.8

Bottom (7-8 pin shorted) 475k 5.6

6.3 Mode Selection

The MODE can be set by J6.

Default setting: Auto Skip

Table 4. MODE Selection

Jumper Set to MODE Selection

Top (1-2 pin shorted) Auto Skip

Bottom (3-4 pin shorted) Forced CCM

6.4 Enable Selection

The controller can be enabled and disabled by J3.

Default setting: Jumper shorts on J3 to disable the controller

Table 5. Enable Selection

Jumper Set to Enable Selection

Jumper shorts on J3 Disable the controller

No Jumper shorts on J3 Enable the controller

7 Test Procedure

7.1 Line/Load Regulation and Efficiency Measurement Procedure

1. Set up EVM as described in Section 5 and Figure 3.

2. Ensure that Load is set to constant resistance mode and to sink 0 Adc.

3. Ensure that all jumper configuration settings per Section 6.

4. Ensure that the jumper provided in the EVM shorts on J3 before Vin is applied.

SLVU431–January 2011 Using the TPS53219EVM-690 Wide-Input Voltage, Eco-mode™, Single,

Synchronous, Step-Down Controller

Submit Documentation Feedback