PM6680 STMicroelectronics, PM6680 Datasheet - Page 20

• Manufacturer Part Number: PM6680
• Description: IC CTRLR DUAL STEP DOWN 32VFQFPN
• Manufacturer: STMicroelectronics

Specifications of PM6680

• Applications: Controller, Notebook Power System
• Voltage - Input: 6 ~ 28 V
• Number Of Outputs: 2
• Voltage - Output: 0.9 ~ 5.5 V
• Operating Temperature: 0°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-VFQFN, 32-VFQFPN
• Output Voltage: 5 V, 0.9 V to 5.5 V, 0.9 V to 3.3 V
• Output Current: 0.33 A
• Input Voltage: 5.5 V to 28 V
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 10 C
• For Use With: 497-6379 - BOARD EVALUATION FOR PM6680A497-6378 - BOARD EVALUATION FOR PM6680497-6425 - BOARD EVAL BASED ON PM6680A
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Block diagram
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Block diagram
Figure 27. Functional block diagram
CSENSE2
LGATE2
HGATE2
PGOOD2
PHASE2
BOOT2
COMP2
SHDN
VREF
OUT2
SKIP
FSEL
FB2
EN2
NC
LDO5
VCC
FREQUENCY
SELECTOR
SHIFTER
LEVEL
REFERENCE
GENERATOR
UVLO
CONTROLLER
VREF
OUT2
SMPS
LDO5 ENABLE
CONTROLLER
REGULATOR
STARTUP
LINEAR
VIN
5V
CONTROLLER
OUT1
SMPS
4.8V
TERMIC
FAULT
4V
+
-
UVLO
SHIFTER
LEVEL
CONTROLLER
+
-
LDO5 ENABLE
TERMIC
LDO5
UVLO
PGOOD1
OUT1
CSENSE1
COMP1
EN1
BOOT1
HGATE1
PHASE1
LGATE1
LDO5
V5SW
VCC
FB1
PM6680