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參數資料
| 型號： | TPS61031RSA |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | 96% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 4A SWITCH |
| 中文描述： | 96％高效同步升壓轉換器和4A條開關 |
| 文件頁數： | 17/20頁 |
| 文件大小： | 375K |
| 代理商： | TPS61031RSA |
www.ti.com
SW
C1
10
μ
F
L1
6.8
μ
H
R1
R2
VBAT
VOUT
R6
C2
2.2
μ
F
C3
220
μ
F
LBO
PGND
LBI
SYNC
EN
GND
TPS61032
List of Components:
U1 = TPS6103xPWP
L1 = Sumida CDRH124–6R8
C1, C2, C5, C6 = X7R,X5R Ceramic
C3 = Low ESR Tantalum
DS1 = BAT54S
LBO
C5
0.1
μ
F
DS1
C6
1
μ
F
V
CC2
–5 V
Unregulated
Auxiliary Output
Battery
Input
FB
V
CC1
5 V
Boost Main Output
THERMAL INFORMATION
PD(MAX)
TJ(MAX)
TA
RJA
125
°
C
36.5
°
C W
85
°
C
1096 mW
TPS61030
TPS61031, TPS61032
SLUS534D–SEPTEMBER 2002–REVISED APRIL 2004
Layout Considerations (continued)
Figure 21. Power Supply Solution With Auxiliary Negative Output Voltage
Implementation of integrated circuits in low-profile and fine-pitch surface-mount packages typically requires
special attention to power dissipation. Many system-dependent issues such as thermal coupling, airflow, added
heat sinks and convection surfaces, and the presence of other heat-generating components affect the
power-dissipation limits of a given component.
Three basic approaches for enhancing thermal performance are listed below:
Improving the power dissipation capability of the PCB design
Improving the thermal coupling of the component to the PCB
Introducing airflow in the system
The maximum junction temperature (T
J
) of the TPS6103x devices is 125
°
C. The thermal resistance of the 16-pin
TSSOP PowerPAD package (PWP) is R
Θ
JA
= 36.5
°
C/W (QFN package, RSA, 38.1
°
C/W), if the PowerPAD is
soldered. Specified regulator operation is assured to a maximum ambient temperature T
A
of 85
°
C. Therefore, the
maximum power dissipation for the PWP package is about 1096 mW, for the RSA package it is about 1050 mW.
More power can be dissipated if the maximum ambient temperature of the application is lower.
17
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相關代理商/技術參數 |
參數描述 |
|---|---|
| TPS61031RSAR | 功能描述:直流/直流開關調節器 3.3-V Output 1-A Boost 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 |
| TPS61031RSARG4 | 功能描述:直流/直流開關調節器 3.3-V Output 1-A Boost 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 |
| TPS61032 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:96% EFFICIENT SYNCHRONOUS BOOST CONVERTER WITH 4A SWITCH |
| TPS61032EVM-208 | 功能描述:電源管理IC開發工具 TPS61032-208 Eval Mod RoHS:否 制造商:Maxim Integrated 產品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| TPS61032PWP | 功能描述:直流/直流開關調節器 5-V Output 1-A Boost 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 |
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