Datasheet

Performance Data and Typical Characteristic Curves

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Table 8. Functions of Each Test Points

Test Points Name Description

TP1

(1)

CHA_MST Input A for 1.5-V loop injection

TP2 CHB_MST Input B for 1.5-V loop injection

TP3 3.3VDD 3.3 VDD

TP4 GND Ground

TP5 Vin_MST Input voltage for 1.5-V master

TP6 SW_MST Switching node for 1.5-V master

TP7 Vout_MST 1.5-V output

TP8 GND Ground

TP9 EN_MST Enable for 1.5-V master

TP10 GND Ground

TP11 GND Ground

TP12 SYNC_MST SYNC signal for 1.5-V master

TP13 PG_MST Power Good for 1.5-V master

TP14 CHA_SLV Input A for 1.2-V loop injection

TP15 CHB_SLV Input B for 1.2-V loop injection

TP16 Vin_SLV Input voltage for 1.2-V slave

TP17 GND Ground

TP18 SW_SLV Switching node for 1.2-V slave

TP19 Vout_SLV 1.2-V output

TP20 SYNC_SLV SYNC signal for 1.2-V slave

TP21 GND Ground

TP22 EN_SLV Enable for 1.2-V slave

TP23 PG_SLV Power Good for 1.2-V slave

TP24 GND Ground

TP25 GND Ground

TP26 GND Ground

(1)

For test point locations, see Figure 3

6.4 Equipment Shutdown

1. Shut down Load.

2. Shut down Vin.

3. Shut down Oscilloscope.

7 Performance Data and Typical Characteristic Curves

Figure 4 through Figure 16 present typical performance curves for TPS53311EVM-561. Jumpers set to

default locations; see section 5 of this user’s guide.

Using the TPS53311EVM-561, a 3-A Eco-mode™ Integrated Switcher With SLUU428A–July 2010–Revised November 2010

Master-Slave

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