MC34700EPR2 查看數據表（PDF） - Freescale Semiconductor
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MC34700EPR2 Datasheet PDF : 28 Pages
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INTERNAL BLOCK DIAGRAM
INTERNAL BLOCK DIAGRAM
PGOOD
EN1
EN2
EN3
EN4
EN_LDO
VOUT1
Supervisory
Logic
Main
System
Control
Thermal Monitoring
Current Monitoring
System Reset
Ramp
Generator
Feed
Forward
Bootstrap
Circuit
Channel 1
Regulator
Control
Gate
Drive
BST1
VIN1
SW1
COMP1
FB1
Ramp
Generator
Bootstrap
Circuit
BST2
VIN2
Bandgap
Reference
VDDI
POR
VGREG
VDDI
Internal
Regulator
VIN
VG
Regulator
0.7V Internal
Reference
Oscillator
LDO_VIN
LDO
LDO_FB
Channel 2
Regulator
Control
Gate
Drive
SW2
GND2
COMP2
FB2
Ramp
Generator
Channel 3
Regulator
Control
Bootstrap
Circuit
BST3
VIN3
Gate
Drive
SW3
GND3
COMP3
FB3
34700
2
AGND
Figure 2. 34700 Simplified Internal Block Diagram
Analog Integrated Circuit Device Data
Freescale Semiconductor
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