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參數資料
| 型號： | TPS40090QPWRQ1 |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | SWITCHING CONTROLLER, 1200 kHz SWITCHING FREQ-MAX, PDSO24 |
| 封裝： | GREEN, PLASTIC, TSSOP-24 |
| 文件頁數： | 22/23頁 |
| 文件大小： | 309K |
| 代理商： | TPS40090QPWRQ1 |
t
BPS +
4.5
C
BP5
8
10*3
BP5
1
2
3
4
4-Phase
Operation
1
2
3
4
3-Phase
Operation
2-Phase
Operation
1
2
3
4
SLUS845C
– JUNE 2008 – REVISED MAY 2011
Setting Controller Configuration
By default, the controller operates at four-phase configuration. The alternate number of active phases is
programmed by connecting unused PWM outputs to BP5. (See Figure 1) For example, for three-phase
operation, the unused fourth phase output, PWM4, should be connected to BP5. For two-phase operation, the
second, PWM2, and the fourth, PWM4, outputs should be connected to BP5.
Power Up
Capacitors connected to the BP5 pin and the soft-start pin set the power-up time. When EN is high, the capacitor
connected to the BP5 pin gets charged by the internal LDO as shown in Figure 2.
(1)
Figure 1. Programming Controller Configuration
8
Copyright
2008–2011, Texas Instruments Incorporated
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| TPS40090RHDR | 功能描述:DC/DC 開關控制器 4 Ch Multiph Buck DC/DC Controller RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40090RHDRG4 | 功能描述:DC/DC 開關控制器 4Ch Multiphase Buck DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40090RHDT | 功能描述:DC/DC 開關控制器 4Ch Multiphase Buck DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40090RHDTG4 | 功能描述:DC/DC 開關控制器 4Ch Multiphase Buck DC/DC Cntrlr RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數量:1 最大工作溫度:+ 125 C 安裝風格: 封裝 / 箱體:CPAK |
| TPS40091 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH FREQUENCY MULTIPHASE CONTROLLER |
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