User`s guide

Setting up Power Management
i.MX53 System Development User’s Guide, Rev. 1
Freescale Semiconductor 5-21
Figure 5-13 shows a typical application block guide.
Figure 5-13. LTC3589-1 Typical Application Block Guide
Table 5-4 shows the supply domains.
Table 5-4. LTC3589-1 Supply Domains
Source Voltage (V) Current (mA)
LDO1 (Always on) Set with external resistor divider, as low as 0.8 25
LDO2 Set with external resistor divider and internal register configuration 250
LDO3 2.8 (Fixed) 250
LDO4 1.2, 1.8, 2.5, 3.2 (Configured via I
2
C) 250
SW1 Set with external resistor divider and internal register configuration from 0.6 to 1.2 1600
SW2 Set with external resistor divider and internal register configuration from 0.9 to 1.8 1000
SW3 Set with external resistor divider and internal register configuration from 0.625 to 1.25 1000
SW4 Set with external resistor divider, as low as 0.8 1200
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