Datasheet

0
10
20
30
40
50
60
70
80
90
100
0 0.5 1 1.5 2 2.5 3 3.5 4
Output Current - A
Efficiecny - %
VOUT = 1.05 V
VIN = 5 V
VIN = 12 V
Test Setup and Results www.ti.com
Table 4. Connection and Test Points
Reference Designator Function
J1 V
IN
(see Table 1 for V
IN
range)
J2 V
OUT
, 1.05 V at 4 A maximum
JP1 EN control. Connect EN to OFF to disable, connect EN to ON to enable.
TP1 V
IN
test point at V
IN
connector
TP2 GND test point at V
IN
TP3 EN test point
TP4 Analog ground test point
TP5 Switch node test point
TP6 Power good test point
TP7 Output voltage test point
TP8 Ground test point at output connector
2.2 Start Up Procedure
1. Make sure the jumper at JP1 (Enable control) is set from EN to OFF.
2. Apply appropriate VIN voltage to VIN and PGND terminals at J1.
3. Move the jumper at JP1 (Enable control) to cover EN and ON. The EVM will enable the output voltage.
2.3 Efficiency
Figure 1 shows the efficiency for the TPS54426EVM-608 at an ambient temperature of 25°C.
Figure 1. TPS54426EVM-608 Efficiency
4
TPS54426EVM-608 4-A, SWIFT™ Regulator Evaluation Module SLVU381–August 2010
Copyright © 2010, Texas Instruments Incorporated