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请看附件EN60065的OSM决议(附件是WORD版本,内容跟下面的一样)。
+ p$ N/ W0 K# k" k4 sUSB端口如果没有标明5V0.5A的话,在正常和异常测试的时候都要带最大载来测试,这样,正常测试时候的温升很容易超。大家都懂的。。。
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5 b5 C( y" I/ o' A2 m. O; J2 EOSM/EE DECISION7 x, v8 A( j2 E5 S
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Standard:
8 a; h, I3 }2 W9 n# C) lEN 60065: 2002 + A1 + A11 Sub clause:
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! ^8 B4 p* }0 L& A. V2 I( _; KDecision 09/02) N+ B4 d1 U) C7 ~
Page 1 of 1
. M: S5 T2 s# X0 nSubject: # H- H0 x( n6 g/ O& {
USB Current7 i ~* Q- z& |, f$ \% S# c+ ? Q/ A
Key words:! k: P4 N5 o o* W! H1 G: D
USB% R: m! J. v7 K N/ t1 t0 Z% l
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Normal Operating Conditions Meeting:$ U$ Z4 Q3 Y' e
OSM/EE - 2009 # |1 E W" m" D
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Item No. 8.3
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Question:
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If a product falling in the scope of EN 60065 is fitted with USB sockets, should a current be drawn from these sockets when performing the normal operating conditions heating test? If so, what current loading should be used?
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Decision:
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( K# I: J+ o1 }- |, i" E& mThe USB sockets shall be loaded with the maximum possible output power.
, L4 F/ m/ m/ WExplanatory notes: " i3 ^5 M8 V3 Q/ n
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