參數(shù)資料
型號: TPS53851RHHT
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: SWITCHING CONTROLLER, PQCC36
封裝: PLASTIC, VQFN-36
文件頁數(shù): 28/66頁
文件大小: 1264K
代理商: TPS53851RHHT
CLKIO
PHSEL
20 mA
TPS53851
MASTER
CLKIO
PHSEL
TPS53851
MASTER
20 mA
R1
SLAVE1
CLKIO
PHSEL
TPS53851
10 kW
SLUS985 – DECEMBER 2009
www.ti.com
5.27.3.1 One Device Operation
The basic configuration of a single device is shown in Figure 5-14.
Figure 5-14. Single Controller Only, Two Phases
5.27.3.2 Two Devices Operation
To increase the total current capability, or number of outputs, a single slave controller can be added as
shown in Figure 5-15
Figure 5-15. Master Controller and One Slave Controller, Four Phases
In this configuration, the master senses that there is one slave controller, and distributes the CLKIO signal.
The slave controller senses the zero-volt level on its PHSEL pin and delays the proper number of CLKIO
pulses to be 90° out of phase with the master.
34
APPLICATION INFORMATION
Copyright 2009, Texas Instruments Incorporated
Product Folder Link(s): TPS53851
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