參數(shù)資料
型號： TPS55383PWPRG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 穩(wěn)壓器
英文描述： 7 A DUAL SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDSO16
封裝： PLASTIC, HTSSOP-26
文件頁數(shù)： 24/45頁
文件大?。?/td> 1318K
代理商： TPS55383PWPRG4
DESIGN EXAMPLES
Example 1: Detailed Design of a 12-V to 5-V and 3.3-V Converter
DESIGN EXAMPLE 1 GENERAL DESCRIPTION
SLUS818 – SEPTEMBER 2008 ......................................................................................................................................................................................... www.ti.com
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 TPS55386 converter. Design Example, and List of Materials is found
at the end of this section.
PARAMETER
NOTES AND CONDITIONS
MIN
NOM
MAX
UNIT
INPUT CHARACTERISTICS
VIN
Input Voltage
9.6
12.0
13.2
V
IIN
Input Current
VIN = Nom, IOUT1 = IOUT2 = Max
2.4
2.6
A
No Load Input Current
VIN = Nom, IOUT = 0 A
12
20
mA
VIN_UVLO
Input UVLO
IOUT = Min to Max
4.0
4.2
4.4
V
OUTPUT CHARACTERISTICS
VOUT1
Output Voltage 1
VIN = Nom, IOUT = Nom
4.80
5.0
5.20
V
VOUT2
Output Voltage 2
VIN = Nom, IOUT = Nom
3.20
3.3
3.40
V
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
3.0
A
IOUT2
Output Current 2
VIN = Min to Max
0
3.0
A
IOCP1
Output Over Current Channel 1
VIN = Nom, VOUT = VOUT1–5%
3.3
4.2
5.2
A
IOCP2
Output Over Current Channel 2
VIN = Nom, VOUT = VOUT2–5%
3.3
4.2
5.2
A
Transient Response
ΔVout from load transient
ΔIOUT = 1 A at 3 A/s
200
mV
Settling Time
To 1% of Vout
1
ms
SYSTEM CHARACTERISTICS
fSW
Switching Frequency
500
600
700
kHz
η
pk
Peak Efficiency
VIN = Nom, IOUT1 = IOUT2
93%
η
Full Load Efficiency
VIN = Nom, IOUT1 = IOUT2 = Max
86%
Top
Operating Temperature Range
VIN = Min to Max, IOUT = Min to Max
0
25
60
°C
Figure 33. Design Example Schematic
30
Copyright 2008, Texas Instruments Incorporated
Product Folder Link(s): TPS55383 TPS55386
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
TPS55386EVM-363 功能描述:電源管理IC開發(fā)工具 TPS55386EVM-363 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
TPS55386PWP 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A Dual 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
TPS55386PWPG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A,Dual 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
TPS55386PWPR 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A Dual 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
TPS55386PWPRG4 功能描述:直流/直流開關(guān)調(diào)節(jié)器 3A,Dual 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
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