参数资料
型号: TDA1910HS
厂商: STMICROELECTRONICS
元件分类: 音频/视频放大
英文描述: 17 W, 1 CHANNEL, AUDIO AMPLIFIER, PZFM11
封装: MULTIWATT-11
文件页数: 4/15页
文件大小: 400K
代理商: TDA1910HS
Obsolete
Product(s)
- Obsolete
Product(s)
THERMAL SHUT-DOWN
The presence of a thermal limiting circuit offers the
following advantages:
1) An overload on the output (even if it is perma-
nent), or an above limit ambient temperature
can be easily supported since the Tj cannot be
higher than 150
°C.
2) The heatskink can have a smaller factor of
safety compared with that of a conventional
Figure 29. Output power and
dr ai n
c urr en t
vs.
case
temperature
Figure 30. Output power and
dra i n
cu rre nt
vs.
case
temperature
Figure 31. Maximum allow able
power dissipation vs. ambient
temperature
MOUNTING INSTRUCTIONS
The power dissipated in the circuit must be re-
moved by adding an external heatsink.
Thanks to the Multiwatt package attaching the
heatsink is very simple, a screw or a compression
12/15
circuit. There is no possibility of device damage
due to high junction temperature.
If for any reason, the junction temperature in-
creases up to 150
°C, the thermal shut-down
simply reduces the power dissipation and the
current consumption.
The maximum allowable power dissipation de-
pends upon the size of the external heatsink (i.e. its
thermal resistance); fig. 31 shows this dissipable
power as a function of ambient temperature for
different thermal resistance.
spring (clip) being sufficient. Between the heatsink
and the package it is better to insert a layer of silicon
grease, to optimize the thermal contact; no electri-
cal isolation is needed between the two surfaces.
TDA1910
相关PDF资料
PDF描述
TDA19977BHV/15/C1 SPECIALTY CONSUMER CIRCUIT, PQFP144
TDA2003-TA5-T 12 W, 1 CHANNEL, AUDIO AMPLIFIER, SFM5
TDA2003-TB5-T 12 W, 1 CHANNEL, AUDIO AMPLIFIER, ZFM5
TDA2003G-TA5-T 12 W, 1 CHANNEL, AUDIO AMPLIFIER, SFM5
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