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Part Name
Description
PM6685 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
PM6685
Dual step-down main supply controller with auxilary voltages for notebook system power
STMicroelectronics
'PM6685' PDF : 52 Pages
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Block diagram
1
Block diagram
Figure 1. Functional block diagram
VIN
PM6685
5V
VCC
REFERENCE
VREF
LINEAR
GENERATOR
REGULATOR
+
4V
-
UVLO
VREF
PGOOD
LDO3
OUT3
SKIP
FSEL
BOOT3
LDO5 ENABLE
-
2.55V
+
3.3V
LINEAR
REGULATOR
4.8V
+
-
UVLO
-
2.6V
+
LDO3 ENABLE
FREQUENCY
SELECTOR
LDO5
V5SW
VCC
OUT5
BOOT5
HGATE3
LEVEL
SHIFTER
3.3V
SMPS
PHASE3
CONTROLLER
CSENSE3
COMP3
LDO5
LGATE3
5V
SMPS
CONTROLLER
LEVEL
SHIFTER
LDO5
HGATE5
PHASE5
CSENSE5
COMP5
LGATE5
PGOOD3
PGOOD5
SHDN
LDO3 SEL
EN3
LDO3 MODE
SELECTOR
UVLO
STARTUP
CONTROLLER
LDO3 ENABLE
LDO5 ENABLE
EN5
TERMIC
TERMIC
FAULT
CONTROLLER
4/52
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