Texas Instruments TPS65053EVM-389, Руководство пользователя, Страница: 4 / 12

2.2 EVM Setup
2.2.1 EVM Factory Configuration
2.3 Power Up Sequence
JP8 - EN_LDO3
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The EVM is configured to provide the following nominal operating conditions:
•
Input Voltage: 2.5-V to 6.0-V
•
Output Voltage: See Table 1
•
Maximum Load Current: See Table 2
Table 1. EVM Preset Output Voltage
Preset Output
TPS65053EVM
Voltage
VDCDC1 2.7 V
VDCDC2 1.4 V
VLD01 1.8 V
VLD02 1.4 V
VLD03 1.3 V
Table 2. Maximum Load Current
Maximum Load
TPS65053EVM
Current
VDCDC1 1 A
VDCDC2 600 mA
VLD01 400 mA
VLD02 200 mA
VLD03 200 mA
The TPS65053EVM-389 is set up to meet the Power Up requirements of the Freescale™ i.MX27
processor.
The step down converters DCDC1 and DCDC2 start up first, followed by the low drop out (LDO)
regulators LDO1, LDO2 and LDO3 as shown in
Figure 1 .
4 TPS65053EVM-389 SLVU262 – February 2009
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