Datasheet
Test Procedure
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6.2 List of Test Points
Table 4. The Functions of Each Test Points
Test Points Name Description
TP1 Vin 12-V input
TP2 Vout1 5-V output
TP3 Vout2 3.3-V output
TP4 VREG5 5-V LDO output
TP5 VREG3 3.3-V LDO output
TP6 GND Ground
TP7 GND Ground
TP8 GND Ground
TP9 GND Ground
TP10 PGOOD Power Good
TP11 EN2 Enable2
TP12 EN1 Enable1
TP13 VCLK Clock output for charge pump
TP14 SW1 Switching node of Output1
TP15 SW2 Switching node of Output2
TP16 VCP 14-V charge bump voltage
TP17 GND Ground
6.3 Equipment Shutdown
1. Shut down Load1 and Load2
2. Shut down Vin
3. Shut down FAN
8
Dual Synchronous Step-Down Fixed Output Controller with 5-V and 3.3-V SLVU735–June 2012
LDOs
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