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參數(shù)資料
| 型號： | TPS61013DGSR |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 20/22頁 |
| 文件大?。?/td> | 392K |
| 代理商： | TPS61013DGSR |
TPS61000, TPS61001, TPS61002, TPS61003, TPS61004, TPS61005, TPS61006, TPS61007
SINGLE-AND DUAL-CELL BOOST CONVERTER WITH START-UP INTO FULL LOAD
SLVS279B – MARCH 2000 – REVISED AUGUST 2000
20
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
THERMAL INFORMATION
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 PWB design
Improving the thermal coupling of the component to the PWB
Introducing airflow in the system
The maximum junction temperature (T
J
) of the TPS6100x devices is 125
°
C. The thermal resistance of the
10-pin MSOP package (DGS) is R
θ
JA
= 294
°
C/W. Specified regulator operation is assured to a maximum
ambient temperature (T
A
) of 85
°
C. Therefore, the maximum power dissipation is about 130 mW. More power
can be dissipated if the maximum ambient temperature of the application is lower.
mW
W
C
C
C
JA
R
A
MAX
J
T
MAX
D
P
136
/
294
85
125
)
(
)
(
=
°
°
–
°
=
Θ
=
(8)
–
Under normal operating conditions, the sum of all losses generated inside the converter IC is less than 50 mW,
which is well below the maximum allowed power dissipation of 136 mW as calculated in equation 8. Therefore,
power dissipation is given no special attention.
Table 4 shows where the losses inside the converter are generated.
Table 4. Losses Inside the Converter
LOSSES
AMOUNTS
36 mW
Conduction losses in the switch
Switching losses
8 mW
Gate drive losses
2.3 mW
Quiescent current losses
<
1 mW
TOTAL
<
50 mW
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| TPS61013DGSRG4 | 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 Lo-In Voltage Sync Boost 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 |
| TPS61013EVM-157 | 功能描述:電源管理IC開發(fā)工具 Fixed 2.5-V High-Eff Boost Conv 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 |
| TPS61014 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:HIGH-EFFICIENCY, 1-CELL AND 2-CELL BOOST CONVERTERS |
| TPS61014DGS | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Lo-In Voltage Sync Boost 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 |
| TPS61014DGSG4 | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 Lo-In Voltage Sync Boost 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 |
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