參數資料
型號: TPS5431DDAR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 6 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8
封裝: GREEN, PLASTIC, SOP-8
文件頁數: 3/28頁
文件大?。?/td> 810K
代理商: TPS5431DDAR
www.ti.com
0.080
0.026
0.098
0.1
18
0.050
0.110
0.220
0.050
0.040
0.013DIA 4PL
Alldimensionsininches
Application Circuits
+
PwPd
10.8-19.8V
L1
15
H
m
6
4
9
5
2
3
GND
VSNS
VIN
NC
ENA
BOOT
PH
7
1
8
C1
10
F
m
C3
220
F
m
D1
B340A
C2
0.01
F
m
VOUT
5V
R2
3.24kW
R1
10kW
VIN
EN
U1
TPS5430DDA
Design Procedure
SLVS632C – JANUARY 2006 – REVISED NOVEMBER 2006
APPLICATION INFORMATION (continued)
Figure 10. TPS5430 Land Pattern
Figure 11 shows the schematic for a typical TPS5430 application. The TPS5430 can provide up to 3-A output
current at a nominal output voltage of 5 V. For proper thermal performance, the exposed PowerPAD
underneath the device must be soldered down to the printed-circuit board.
Figure 11. Application Circuit, 12-V to 5.0-V
The following design procedure can be used to select component values for the TPS5430. Alternately, the
SWIFT Designer Software may be used to generate a complete design. The SWIFT Designer Software
uses an iterative design procedure and accesses a comprehensive database of components when generating a
design. This section presents a simplified discussion of the design process.
11
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