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Analog Devices LT8708-1
Linear Technology Analog Devices LT8708-1 Manuals
Manuals and User Guides for Linear Technology Analog Devices LT8708-1. We have
1
Linear Technology Analog Devices LT8708-1 manual available for free PDF download: Datasheet
Linear Technology Analog Devices LT8708-1 Datasheet (36 pages)
80V Synchronous 4-Switch Buck-Boost DC/DC Slave Controller for LT8708 Multiphase System
Brand:
Linear Technology
| Category:
Controller
| Size: 2 MB
Table of Contents
Features
1
Applications
1
Typical Application
1
Description
1
Table of Contents
2
Absolute Maximum Ratings
3
Order Information
3
Pin Configuration
3
Electrical Characteristics
4
Typical Performance Characteristics
8
Pin Functions
10
Block Diagram
13
Operation
14
Common LT8708-1 and LT8708 Features
14
Adding Phases to an LT8708 Application
14
Adding Phases: the Master LT8708
14
Adding Phases: the Slave LT8708-1
16
Start-Up
17
Start-Up: SWEN Pin
17
Start-Up: Soft-Start of Switching Regulator
18
Control Overview
18
Power Switch Control
19
Unidirectional and Bidirectional Conduction
19
Error Amplifiers
19
Transfer Function: IOUT(SLAVE)
20
Vs IOUT(MASTER)
20
Transfer Function: CCM
21
Transfer Function: DCM, HCM and Burst Mode Operation
21
Current Monitoring and Limiting
21
Monitoring: IOUT(SLAVE)
21
Monitoring and Limiting: IIN(SLAVE)
21
Multiphase Clocking
22
Applications Information
23
Quick-Start Multiphase Setup
23
Quick Setup: Design the Master Phase
23
Quick Setup: Design the Slave Phase(S)
23
Quick Setup: Evaluation
23
Choosing the Total Number of Phases
23
Operating Frequency Selection
24
Selection
24
IN Capacitance
24
OUT Capacitance
25
VINHIMON, VOUTLOMON and RVSOFF
25
Current Limits
26
Regulating IOUT(SLAVE)
26
OUT(SLAVE) : Circuit Description
26
IOUT(SLAVE) : Configuration
28
Loop Compensation
28
Voltage Lockouts
29
Circuit Board Layout Checklist
29
Design Example
29
Typical Applications
31
Package Description
35
Typical Application
36
Related Parts
36
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