PM6686 STMicroelectronics, PM6686 Datasheet - Page 23

• Manufacturer Part Number: PM6686
• Description: Dual Step-down Controller With Adjustable Voltages, Adjustable Ldo And Auxiliary Charge Pump Controller For Notebook
• Manufacturer: STMicroelectronics

PM6686
7
Block diagram
Figure 44. Functional block diagram
LDOREFIN
LDO_SW
HGATE1
PHASE1
EN_LDO
LGATE1
BOOT1
CP_FB
LDO
OUT1
EN1
EN2
FB1
PG1
UVLO
PVCC
PVCC
SHIFTER
CONTROLLER
LEVEL
STARTUP
+
-
+
-
Doc ID 15281 Rev 4
REGULATOR
CONTROLLER
VREF3
LDO EN INT
LINEAR
VREF3
SWITCHOVER
ADJ.
SMPS1
THRESHOLD
TON
LDO EN INT
VIN
SKIP
CONTROLLER
SMPS2
VREF2
VREF2
SHIFTER
LEVEL
CONTROLLER
THERMAL
PVCC
PVCC
Block diagram
HSIDE2
BOOT2
PHASE2
REFIN2
PVCC
LGATE2
ILIM1
ILIM2
VCC
OUT2
PG2
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