User`s guide

Setting up Power Management
i.MX53 System Development User’s Guide, Rev. 1
Freescale Semiconductor 5-19
Table 5-3 shows the generated supply domains.
Table 5-3. Generated Supply Domains
Regulator
Supplied
pins
Supplied
voltage
Supplied
max
current
External
component
Notes
Buckcore VBUCKCO
RE
V0.5–2.075 V
± 3% accuracy
default 1.8 V
2000 mA 2.2/1.0 μH DVC, 2 MHz, 25 mV steps
DVC ramp with controlled slew rate; pull-down
resistor switch off
Buckpro VBUCKPR
O
0.5–2.075 V
±3% accuracy
default 1.2 V
1000 mA 2.2/1.0 μH DVC, 2 MHz, 25 mV steps
DVC ramp with controlled slew rate; pull-down
resistor switch off
Buckmem VBUCKME
M;
VMEM_S
W
0.925–2.475 V
±3% accuracy
default 2.0 V
1000 mA 2.2/1.0 μH DVC, 2 MHz, 25 mV steps
DVC ramp with controlled slew rate; second output
with sequencer controllable switch; pull-down
resistor switch off
Buckperi VBUCKPE
RI_SW
0.925–2.475 V
±3% accuracy
default TBD
1000 mA 2.2/1.0 μH 2 MHz, 25 mV steps
second output with sequencer controllable switch
Boost Ext. FET 5–25 V,
regulated via
current
feedback
50 mA 4.7 μH Current controlled boost converter for 3 strings of up
to 6 serial white LEDs. Overvoltage protection via a
voltage feedback pin.
LDO1 VLD01 0.6–1.8 V ±3%
accuracy
default 1.2 V
40 mA 1.0 μF High PSSR, low noise LDO, 50 mV steps, pull-down
resistor switch off
LDO2 VLD02 0.6–1.8 V ±3%
accuracy
default 1.2 V
100 mA 1.0 μF DVC, digital LDO, 25 mV steps, DVC ramp with
controlled slew rater, pull-down resistor switch off
LDO3 VLD03 1.725–3.3 V
±3% accuracy
default 2.85 V
200 mA 2.2 μF Digital LDO, 25 mV steps, DVC with controlled slew
rate, common supply with LDO4
LDO4 VLD04 1.725–3.3 V
±3% accuracy
default 2.85 V
150 mA 2.2 μF Digital LDO, 25 mV steps, optional hardware control
from GPI1, common supply with LDO3
LDO5 VLD05 1.2–3.6 V ±3%
accuracy
default 3.1 V
100 mA 1.0 μF Digital LDO, 50 mV steps, pull-down resistor switch
off, optional hardware control from GPI2
LDO6 VLD06 1.2–3.6 V ±3%
accuracy
default 1.2 V
150 mA 2.2 μF High PSSR, low noise, 50 mV steps
LDO7 VLD07 1.2–3.6 V ±3%
accuracy
default 3.1 V
200 mA 2.2 μ
F High PSSR, low noise, 50 mV steps, common supply
with LDO8
LDO8 VLD08 1.2–3.6 V ±3%
accuracy
default 2.85 V
200 mA 2.2 μF High PSSR, low noise, 50 mV steps, common supply
with LDO7