參數(shù)資料
型號(hào)： TPS54380EVM-001
廠商： Texas Instruments, Inc.
英文描述： 3-Amp SWIFT Regulator Evaulation Module(3A SWIFT穩(wěn)壓器TPS54380的評(píng)估模塊)
中文描述： 3安培的SWIFT穩(wěn)壓Evaulation模塊條第（3A SWIFT的穩(wěn)壓器TPS54380的評(píng)估模塊）
文件頁(yè)數(shù)： 12/36頁(yè)
文件大小： 455K
代理商： TPS54380EVM-001
Modifications
1-4
1.3
Modifications
The TPS54380EVM–001 is designed to demonstrate the small size that can
be attained when designing with the TPS54380, so many of the features,
which allow for extensive modifications have been omitted from this EVM.
Changing the value of R2 can change the output voltage in the range of 0.9 V
to 3.3 V. The value of R2 for a specific output voltage can be calculated by
using Equation 1–1. Table 1–3 list the values for R2 for some common output
voltages.
Equation 1–1.
R2
10 k
0.891 V
VO
0.891 V
Table 1–3.Output Voltage Programming
Output Voltage (V)
R2
Value (k
)
1000
0.9
1.2
28.7
1.5
14.7
1.8
9.76
2.5
5.49
3.3
3.74
The minimum output voltage is limited by the minimum controllable on time of
the device, 200 ns, and is dependent upon the duty cycle and operating
frequency. The approximate minimum output voltage can be calculated using
Equation 1–2.
Equation 1–2.
V
OUTMIN
= 200n sec
×
s
×
V
INMAX
The switching frequency may be trimmed to any value between 280 kHz and
700 kHz by changing the value of R4. Decreasing the switching frequency
results in increased output ripple unless the value of L1 is increased. A plot of
the value of RT versus the switching frequency is given in Figure 1–1.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54380PWP 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 3A Sync Buck Conver RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS54380PWPG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 3A Sync Buck Conver RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS54380PWPR 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 3A Sync Buck Conver RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS54380PWPRG4 功能描述:直流/直流開(kāi)關(guān)調(diào)節(jié)器 3A Sync Buck Conver RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開(kāi)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
TPS54380-Q1 制造商:TI 制造商全稱:Texas Instruments 功能描述:3-V TO 6-V INPUT, 3-A OUTPUT TRACKING SYNCHRONOUS BUCK PWM SWITCHER WITH INTEGRATED FETs (SWIFT?￡a) FOR SEQUENCING
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