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參數資料
型號: TPS54673PWP
英文描述: SMPS Controller
中文描述: 開關電源控制器
文件頁數: 11/16頁
文件大?。?/td> 260K
代理商: TPS54673PWP
TPS54611, TPS54612, TPS54613
TPS54614, TPS54615, TPS54616
SLVS400A
AUGUST 2001
REVISED JANUARY 2002
11
www.ti.com
APPLICATION INFORMATION
Figure 10 shows the schematic diagram for a typical TPS54614 application. The TPS54614 (U1) can provide
greater than 6 A of output current at a nominal output
voltage of 1.8 V. For proper operation, the exposed thermal
PowerPAD underneath the integrated circuit package needs to be soldered to the printed-circuit board.
13
14
15
16
17
18
19
12
7
8
9
10
11
6
BOOT
5
PH
PH
PH
PH
PH
PH
PH
PH
PH
PGND
PGND
PGND
PGND
PGND
PwrPad
AGND
NC
VSENSE
RT
SS/ENA
VBIAS
PWRGD
VIN
VIN
VIN
VIN
VIN
20
21
22
23
24
27
28
26
25
4
3
2
1
0.047
μ
F
7.2
μ
H
680
μ
F
VO
1.8 V
10 k
Enable
0.1
μ
F
VI
3 V
6 V
10
μ
F
220
μ
F
FSEL
PwrGood
CSS
Figure 10. Application Circuit
component selection
The values for the components used in this design example were selected using the SWIFT designer software
tool. SWIFT designer provides a complete design environment for developing dc-dc converters using the
TPS54614, or other devices in the SWIFT product family. Additional design information is available at
www.ti.com.
input filter
The input to the circuit is a nominal 3.3 VDC or 5 VDC. The input filter is a 220-
μ
F POSCAP capacitor, with a
maximum allowable ripple current of 3 A. A 10-
μ
F ceramic capacitor for the TPS54614 is required, and must
be located as close as possible to the device.
feedback circuit
The output voltage of the converter is fed directly into the VSENSE pin of the TPS54614. The TPS54614 is
internally compensated to provide stability of the output under varying line and load conditions.
相關PDF資料
PDF描述
TPS54673PWPR SMPS Controller
TPS54680PWPR SMPS Controller
TPS54311PWPR Analog IC
TPS54312PWPR Analog IC
TPS54314PWPR Analog IC
相關代理商/技術參數
參數描述
TPS54673PWPG4 功能描述:直流/直流開關調節器 6A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54673PWPR 功能描述:直流/直流開關調節器 6A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54673PWPRG4 功能描述:直流/直流開關調節器 6A Sync Buck Converter RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數量: 最大工作溫度: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54678 制造商:TI 制造商全稱:Texas Instruments 功能描述:2.95 V to 6 V INPUT, 6 A OUTPUT, 2 MHz, SYNCHRONOUS STEP DOWN SWITCHER WITH INTEGRATED FET ( SWIFTa?¢)
TPS54678EVM-155 功能描述:電源管理IC開發工具 TPS54678 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V
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