简体中文

!"#$ ! www.linear.com.cn
UltraFast™ %&'()* 5A LDO
+ 85mV ,-. 25uVRMS /0
123456789:; (MILPITAS, CA) – 2009 < 7 = 27 > – ?@8ABC
(Linear Technology Corporation) DE%&'()*FGH,I LT3070JKLMNO
*PQRS 5A LDO TUJVIW+XYZ,-[,\YZ/0.Y]^_`ab
c 5A d*,-[,efZ* 85mVbc 10Hz g 100kHz hijkJ5A d*lE[
,/0me 25uVRMSbLT3070 * 1MHz Rnophiq1rsYt* 15uF uvl
E[wJxyz{]| 4.5A lE}~•€Jm•‚z{ 30mV *ƒ„/…„J†‡ˆ
‰Š‹Œ*•[w\Ž•.•‘bLT3070 ’“”•y–—˜eZ,\‹[™IWO
[Jš FPGA\DSP\ASIC\›œ•I\žŸ
¡[¢\£¤I/¥¦§¨.©ª,
«H,a•b
LT3070 *lE[,'¬•%&-®¯°§± (§±jke 0.8V g 1.8VJoŒ
e 50mV)bs²³´cµ{[,\}~.¶´jk·¸¹º»¼e ±1%bz½%&
¾´¿ˆÀÁÁ– ±1%\±3% à ±5% *oŒÄ¿ˆÅÆlE[,JÇcÅÆÈ#
¿Éƒ)ÊËÌX2*bPowerGood ÍÎÏÐlE[,ËÑH¼JÃIWËÑœy
UVLOJ‡ÒVÍÎÓNOz{ÔÕÖ*×ØÙÚÏÐbLT3070 *lÛ[,jke
0.95V g 3.0VJsܱ[¢[,jke 2.2V g 3.6Vbܱ[¢e·Ý NMOS Þß
IWNOàáâãb
ä{ LT3070 IW'–’“wåæçèJ–éêë‹*lE[™Jçc PCB ì
íÔŒbîïÀÁ'–ðñz{e LT3070 *lÛO[*ª,«H,IbÇ{îïÀ
Áâãr°ª,«H,IJ–òó LT3070 *lÛ[,c VOUT + 300mVJ†‡Y‹
ô´æªZÀõbšölE[,Ëã_÷ø*JùúVîïÀÁû㿈ª,«H
UltraFast™ %&'()* 5A LDO
+ 85mV ,-. 25uVRMS /0
ü2ý
,I*lE[,J–òó˜þb·Ýòÿ[!"# UVLO\[™$%òÿ\+[¢
&'*(³[™ôñ.+)**Ô+,b
LT3070 ¬•-Ôo.«\/0 (0.75mm) 28 1F 4mm x 5mm QFN 23JE . I
45‘6'c -40°C g +125°C *7¶jk·89b– 1,000 SeRn:Œ;<J=
½5‘*>ºì?e 4.20 @A. 4.80 @AbšBëä¡CJDEF
www.linear.com.cnb
GÁGHILT3070
•
•
•
•
•
•
•
•
•
•
•
•
•
•
•
lE[™I5A
,-[,IJ«Ke 85mV
%&'()* VOUTI0.8V g 1.8V (oŒe 50mV)
%&lE¾´ðñI±1%\±3% Ã ±5%
ZlE/0I25uVRMS (10Hz g 100kHz)
'çèI•L{IWéê 10A lE
(³[™ôñI±12%
cµ{[,\}~.¶´jk·+ ±1% *²³´
•Z ESR uvlE[wI'H¼ (YtKe 15uF)
—M PSRRI1MHz de 30dB
NÁÀÁO /PÈlE
VIOC 1Qðñª,«RSIJ–òóZÀõçTø˜þ
PWRGD/UVLO ÍÎ
+&'*[™ôñ.+)*òÿ*Ô+,
/0 (0.75mm) -Ôo.« 28 1F 4mm x 5mm QFN 23
?@8ABCUV
?@8ABC (Linear Technology Corporation) WXy 1981 <JËzY—GÁFGZ
•[!ñ[\b?@8Ay 1986 <•ezYr]BCJçy 2000 <•e^_Hr
]BC`•* S&P 500 Ï%*•abzb?@8A*•c"#—GÁd‹I\Ue
I\[,f²\RSghI\FGH,I\DC/DC ÷SI\[ij[I\%kRS
I\ ¡Ol[!\mM¡noµ[!\uModule® •c–psqrästÀÁb?
@8ABC*—GÁ[!'•y[¡\uv[w\šxyzS,*{|§¨\}Î
‘[~.•®[~\€•,‚k§¨\ƒM/ä„•3±\8…†‡\ˆ‰Šð§
¨\"#%‹ŒT,\MP3 •dIc·*—Ž••‘•c\’“”•§¨\–—•
[˜§¨\8™ûãø\ƒ)ðñ\–pš›.œ•ÅÆžŸ bšBŠ¡ëä¡
CJDEF www.linear.com.cn b
UltraFast™ %&'()* 5A LDO
+ 85mV ,-. 25uVRMS /0
ü3ý
LT\LTC\LTM\uModule .
Ë?@8ABC*¢£\ÍbUltraFast Ë?@8ABC*\Íb
¤Xsq\Í¥es¦û§X¨*•©b
„•ª«:
¬-® (Fanny Lau)
[w: 852-2428 0303
[email protected]
¯°
[w: 86-10-6522 8081
[email protected]
John Hamburger
[email protected]
[w: 408-432 1900 ext 2419
Doug Dickinson
[email protected]
[w: 408-432 1900 ext 2233