參數(shù)資料
型號： TPS54350MPWPREP
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)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(shù)： 7/36頁
文件大?。?/td> 1057K
代理商： TPS54350MPWPREP
www.ti.com
Power
Down
W
aveforms
V
Time 2 ms/div
VO = 2 V/div
See Figure 24
VI = 5 V/div
V(PWRGD) = 2 V/div
Continuous
Conduction
Mode
Time 1
s/div
See Figure 25
V(PH) = 5 V/div
I(Inductor) = 0.5 A/div
50
55
60
65
70
75
80
85
90
95
100
0.0
0.5
1.0
1.5
2.0
2.5
3.0
Efficiency
%
IO Output Current A
VO = 3.3 V
fS = 500 kHz
See Figure 25
VI = 6 V
VI = 18 V
VI = 12 V
Sequencing
W
aveforms
V
Time 2 ms/div
VO1 = 2 V/div
V = 1.8 V, 3.3 V
See Figure 26
VI = 10 V/div
V(PWRGD) = 2 V/div
VO2 = 2 V/div
Discontinuous
Conduction
Mode
Time 1
s/div
See Figure 25
V(PH) = 5 V/div
I(Inductor) = 0.5 A/div
Input
Ripple
Cancellation
V
Time 1
s/div
VIN = 12 V, VO1 = 1.8 V,
VO2 = 3.3 V, See Figure 26
V(PH1) = 10 V/div
VI(Ripple) = 100 mV/div (ac coupled)
V(PH2) = 10 V/div
50
55
60
65
70
75
80
85
90
95
100
0.0
0.5
1.0
1.5
2.0
Efficiency
%
IO Output Current A
VI = 5 V
VO = 5 V
fS = 250 kHz
See Figure 27
TPS54350-EP
SGLS308 – OCTOBER 2005
TYPICAL CHARACTERISTICS (continued)
POWER DOWN
EFFICIENCY
CONTINUOUS CONDUCTION MODE
vs
OUTPUT CURRENT
Figure 14.
Figure 15.
Figure 16.
DISCONTINUOUS CONDUCTION
SEQUENCING WAVEFORMS
INPUT RIPLE CANCELLATION
MODE
Figure 17.
Figure 18.
Figure 19.
EFFICIENCY
vs
OUTPUT CURRENT
Figure 20.
15
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54350MPWPREPG4 功能描述:直流/直流開關(guān)調(diào)節(jié)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(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54350PWP 功能描述:直流/直流開關(guān)調(diào)節(jié)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(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)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(guān)調(diào)節(jié)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(guān)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(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54350PWPR 功能描述:開關(guān)變換器、穩(wěn)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(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
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