參數(shù)資料
型號: TPS54383PWPR
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 7 A DUAL SWITCHING CONTROLLER, 375 kHz SWITCHING FREQ-MAX, PDSO14
封裝: GREEN, PLASTIC, HTSSOP-14
文件頁數(shù): 27/58頁
文件大?。?/td> 1773K
代理商: TPS54383PWPR
www.ti.com
DESIGN EXAMPLES
Example 1: Detailed Design of a 12-V to 5-V and 3.3-V Converter
+
SLUS774B – AUGUST 2007 – REVISED OCTOBER 2007
The following example illustrates a design process and component selection for a 12-V to 5-V and 3.3-V dual
non-synchronous buck regulator using the TPS54383 converter. Design Example List of Materials and Table 4,
Definition of Symbols is found at the end of this section.
PARAMETER
NOTES AND CONDITIONS
MIN
NOM
MAX
UNIT
INPUT CHARACTERISTICS
VIN
Input voltage
6.9
12.0
13.2
V
IIN
Input current
VIN = nom, IOUT = max
1.6
2.0
A
No load input current
VIN = nom, IOUT = 0 A
12
20
mA
OUTPUT CHARACTERISTICS
VOUT1
Output voltage 1
VIN = nom, IOUT = nom
4.8
5.0
5.2
V
VOUT2
Output voltage 2
VIN = nom, IOUT = nom
3.2
3.3
3.4
Line regulation
VIN = min to max
1%
Load regulation
IOUT = min to max
1%
VOUT(ripple
Output voltage ripple
VIN = nom, IOUT = max
50
mVPP
)
IOUT1
Output current 1
VIN = min to max
0
2.0
IOUT2
Output current 2
VIN = min to max
0
2.0
Output overcurrent channel
A
IOCP1
VIN = nom, VOUT = VOUT1 = 5%
2.4
3
3.5
1
Output overcurrent channel
IOCP2
VIN = nom, VOUT = VOUT2 = 5%
2.4
3
3.5
2
Transient response
ΔVOUT
ΔIOUT = 1 A @ 3 A/s
200
mV
from load transient
Transient response settling
1
ms
time
SYSTEM CHARACTERISTICS
fSW
Switching frequency
250
310
370
kHz
η
Full load efficiency
85%
Operating temperature
TJ
0
25
60
°C
range
Figure 39. Design Example Schematic
Copyright 2007, Texas Instruments Incorporated
33
Product Folder Link(s): TPS54383 TPS54386
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS54383PWPRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A Non-Synch Buck 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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54386 制造商:TI 制造商全稱:Texas Instruments 功能描述:SWIFT Converter Product Portfolio
TPS54386EVM 功能描述:電源管理IC開發(fā)工具 TPS54386 Eval Mod RoHS:否 制造商:Maxim Integrated 產(chǎn)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
TPS54386PWP 功能描述:直流/直流開關(guān)調(diào)節(jié)器 DC/DC Controller 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: 安裝風格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
TPS54386PWP 制造商:Texas Instruments 功能描述:DC/DC Controller