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參數資料
型號: TPS54350MPWPREP
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩壓器
英文描述: 7.2 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO16
封裝: GREEN, PLASTIC, HTSSOP-16
文件頁數: 10/36頁
文件大?。?/td> 1057K
代理商: TPS54350MPWPREP
www.ti.com
+
+
8 V/V
10 M
+
+
10 M
20 V/V
50 pF
+
10 M
50
A/V
REF
R(switch)
100 m
PH
Rdc
LO
VSENSE
R1
R5
C8
ESR
CO
a
R3
C6
C7
COMP
c
R2
RL
1 mV
b
TPS54350
0.891
1
VIN
UVLO
PWRGD
RT
SYNC
ENA
COMP
PWRPAD
17
VSENSE
AGND
PGND
VBIAS
LSG
PH
BOOT
2
3
4
5
6
7
8
16
15
14
13
12
11
10
9
U1
TPS54350PWP
C9
10
F
C3
0.1
F
1
C4
4
8
Q1
R4
4.7
C11
3300 pF
1
L1
10
H
+
C2
100
F
C6
82 nF
R3
768
C7
1800 pF
R2
374
R5
137
R1
1 k
C8
33 nF
6 V 18 V
VOUT 3.3 V @ 3 A
Q1: Fairchild Semiconductor FDR6674A
L1: Vishay IHLP-5050CE
C2: Sanyo 6TPC100M
2 3 6 7
2
5
1
F
C1
47
F
DESIGN PROCEDURE
TPS54350-EP
SGLS308 – OCTOBER 2005
APPLICATION INFORMATION (continued)
Figure 23. Model of Control Loop
Figure 24. Application Circuit, 12 V to 3.3 V
Figure 24 shows the schematic for a typical TPS54350 application. The TPS54350 can provide up to 3-A output
current at a nominal output voltage of 3.3 V. For proper thermal performance, the exposed PowerPAD
underneath the device must be soldered down to the printed circuit board.
The following design procedure can be used to select component values for the TPS54350. 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.
18
相關PDF資料
PDF描述
TPS54372PWP 3 A SWITCHING REGULATOR, 762 kHz SWITCHING FREQ-MAX, PDSO20
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相關代理商/技術參數
參數描述
TPS54350MPWPREPG4 功能描述:直流/直流開關調節器 4.5 to 20V Input,3A Step Down 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
TPS54350PWP 功能描述:直流/直流開關調節器 4.5 to 20V Inp 3A Step-Down 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
TPS54350PWP 制造商:Texas Instruments 功能描述:IC's
TPS54350PWPG4 功能描述:直流/直流開關調節器 4.5 to 20V Inp 3A Step-Down 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
TPS54350PWPR 功能描述:開關變換器、穩壓器與控制器 4.5 to 20V Inp 3A Step-Down Converter RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關頻率:1 MHz 工作溫度范圍: 安裝風格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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