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| 型号： | TPS63700DRCTG4 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 1.14 A SWITCHING REGULATOR, 1500 kHz SWITCHING FREQ-MAX, PDSO10 |
| 封装： | 3 X 3 MM, GREEN, PLASTIC, SON-10 |
| 文件页数： | 10/25页 |
| 文件大小： | 668K |
| 代理商： | TPS63700DRCTG4 |
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DMAX +
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JMAX *
T
A
R
qJA
SLVS530B – SEPTEMBER 2005 – REVISED NOVEMBER 2007
www.ti.com
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
heatsinks
and
convection
surfaces,
and
the
presence
of
heat-generating
components
affect
the
power-dissipation limits of a given component.
Three basic approaches for enhancing thermal performance are:
Improving the power dissipation capability of the PCB design
Improving the thermal coupling of the component to the PCB
Introducing airflow to the system
The maximum recommended junction temperature (TJ) of the TPS63700 device is 125°C. The thermal resistance
of the 10-pin SON, 3 × 3-mm package (DRC) is RJA = 48.7°C/W. Specified regulator operation is ensured to a
maximum ambient temperature TA of 85°C. Therefore, the maximum power dissipation is about 821 mW. More
power can be dissipated if the maximum ambient temperature of the application is lower.
(8)
18
Copyright 2005–2007, Texas Instruments Incorporated
Product Folder Link(s): TPS63700
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