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TPS76301

ò??￠??ê? 1.1 ò?°??μ?÷

TPS763xx ?μáDμí?1?μ￡¨LDO ￡??è?1?÷??óDμí?1?μ?￠μí1|o???ó?ò??°·a×°×?D??ˉμ?ó?μ??￡ó?í¨3￡μ?LDO ?è?1?÷?à±è￡??aD??è?1?÷??óD??μíμ??μ??μ??1oí?2ì?μ?á÷?￡TPS763xx ?μáD?÷?tìá1?5??D?Dí?ˉ3éμ??·SOT-23·a×°￡??üàí??μ?ó?óú??3é±????D???òoü??êóμ??·°?????μ?éè???D?￡

D?Díμ??·éè??oí1¤ò???D??à?áo?ê1μ?í¨3￡μ?pnp í¨μà?§ì?1ü±?PMOS ?÷?t?ùì?′ú?￡óéóúPMOS í¨μà?a?t?eμí×è?μμ?×èμ?×÷ó?￡??ùò??μ??μ??1·?3￡μí?a?a?ú?o??μ?á÷?a150mA ê±í¨3￡?a300mV ￡¨TPS76333￡??a?a???ò?y±èóú?o??μ?á÷?￡òò?aPMOS í¨μà?a?tê?μ??1?y?ˉ?÷?t￡??ùò??2ì?μ?á÷ê?·?D?￡¨×?′ó?μ?a140|ìA ￡????ò?úê?3??o??μ?á÷μ?????·??§￡¨0mA ?á150mA ￡??úoü?è?¨?￡???μáD?÷?têêó?óú±?Dˉê??μí3￡?àyè?ê?ìáμ???oíò??ˉμ??°￡???μí?μ??μ??1μ?ì?D?ò??°μí1|o???ó?ê1?μí3μ?3?1¤×÷êù?ü?÷?????ó?￡

TPS763xx ?1??óD???-ê1?ü￡¨logic-enabled ￡?μ??ˉ??·?ê?￡??ü1?±??è?1?÷￡??úT J =25??μ????è??ê1?2ì?μ?á÷??éù?á1|ìA ￡¨×?′ó?μ￡??￡TPS763xx ìá1?1.8V ￡?2.5V ￡?3.3V ò??°5V 1ì?¨μ??1Díò??°?é±?μ??1Dí￡¨?ú2.7V ?á10V-V ￡¨DROP ￡?·??§?ú?é±à3ì￡??￡

?é????

T J

μ??1·a×°

?÷ ?t o?

·?o??é±?TPS76301DBVT*TPS76301DBVR**PAZI 1.8V

TPS76318DBVT*TPS76318DBVR**PBAI 2.5V TPS76325DBVT*TPS76325DBVR**PBBI 3.3V TPS76333DBVT*TPS76333DBVR**PBEI -40???á125??

5.0V

SOT-23￡¨DBV ￡?TPS76350DBVT*

TPS76350DBVR**

PBGI

* DBVT oó×o±íê?250???÷?tà|?úoí?íè??￡** DBVR oó×o±íê?3000???÷?tà|?úoí?íè??￡ 1.2 ì?μ?

l 150mA μí?1?μ?è?1?÷

l ê?3?μ??1￡o5V ￡?3.3V ￡?2.5V ￡?1.8V ò??°?é±?μ??1l ?μ??μ??1￡o150mA ê±μ?Dí?μ?a300mV l èè±￡?¤l 1yá÷?T??

l ?ú1?±?·?ê????2ì?μ?á÷D?óú2|ìA l 1¤×÷?á??·??§′ó-40???á125??l 5òy??SOT-23￡¨DBV ￡?·a×°

1.3 òy????áDoíòy??1|?ü 1.3.1 òy????áD

DBV ·a×°μ?

1.3.2 òy??1|?ü

TPS763xx μ?òy??1|?üè???±í?ùê??￡òy??1|?ü

òy????3?±ào?I/O

?μ ?÷

GND 2μ?EN 3I ê1?üê?è?

FB 4I ·′à?μ??1￡¨????TPS76301￡?IN 1ê?è?μ??′μ??1NC 4

2?á??óOUT

?è?1ê?3?μ??1

1.4 1|?ü·??òí?

TPS76301oíTPS76318/25/33/50μ?1|?ü·??òí?·?±eè?????á?í??ùê??￡

?t?￠ì?D?

2.1 1¤×÷???è·??§?ú￡¨×?è?í¨·?￡?μ????T2?êy￡¨3y·?áíóD?μ?÷￡?*ê?è?μ??1·??§￡¨??×￠êí1￡? –0.3V ?á10V EN ??μ??1·??§ –0.3V ?áV I +0.3V OUT ￡?FB ??μ?μ??110V-V ￡¨DROP ￡?·??μê?3?μ?á÷

?ú2??T??ESD ???¨?μ￡?è?ì?·?ê?￡¨HBM ￡?

2kV

GND

OUT

NC/FB

TPS76301

OUT

IN FB

GND

TPS76318/ 25/ 33/ 50

OUT

IN GND

á?D?×ü1|o???1|o????¨?μ±í

1¤×÷êμ?ê?á??·??§￡?T J–40???á125??

′￠′????è·??§￡?Tstg –65???á150??

* ???è3?3??ùáDμ????T2?êy?é?üμ????÷?tμ?óà??D??e?μ?￡?aD?????ê????T2?êy￡?2￠2?òa??×??ú???T2?êyì??t???ò?úè?o????ü3?3?í???1¤×÷ì??t???ùê?2?êyμ??é?????÷?t?üóDD§μ?1¤×÷?￡?ó3¤?ú???T2?êyì??t??μ?1¤×÷ê±???áó°?ì?÷?tμ??é??D??￡

×￠êí1￡o?ùóDμ??1?μ?ù?à??óúí????óμ????￡

1|o????¨?μ±í

·a×°

T A?ü25??

1|o????¨?μ

T A=25??ò?é?

μY??òò×ó

T A=70??

1|o????¨?μ

T A=85??

1|o????¨?μ

DBV150mW 1.2mW/??96mW78mW

2.2 í???1¤×÷ì??t

MIN NOM MAXμ￥??

TPS76301 2.710V

TPS76318 2.710V

TPS76325 3.19310V

TPS76333 3.92310V ê?è?μ??1￡?V I

TPS76350 5.510V á?D?ê?3?μ?á÷￡?I O0150mA 1¤×÷?á??￡?T J-40125??

2.3 ?úí???μ?1¤×÷???è·??§?ú￡¨×?è?í¨·?￡?￡?V I =V O(typ)+1V ￡?I O =1mA ￡?EN=IN ￡?C O =4.7|ìF ê±μ?μ?ì?D?￡¨3y·?áíóD?μ?÷￡?

2525= 3.25 25= 1 mA to 100 = 25= 1 mA to 100 = 25= 1 mA to 100 = 25Quiescent = 0 to 150 = 25f = 1 kHz, = 25Current = C

D?é?±í

×￠êí￡o2. ×?D?IN 1¤×÷μ??1ê?2.7V ?òV O ￡¨typ ￡?+1V ￡?è????D??′ó???￡

3. 2aê?ì??t°üà¨￡oê?3?μ??1V O =0·ü￡¨??óú?é±??÷?tFB ?ì?·?áV O ￡?￡?ò??°??3??í?è =10ms ?￡

10 = 25 = 1 = C = 75 = 25 = 150 = 25 = 1 = C = 75 = 25 = 150 = 25 = 1 = 25 = 75 = 25 = 150 = 25

2.4 μ?Díì?D??ú??ì?D??ú??±í

í?o?ó?ê?3?μ?á÷

1￡?2￡?3V O ê?3?μ??1ó????è￡¨×?è?í¨·?￡?4￡?5￡?6

μ?μ?á÷

ó????è￡¨×?è?í¨·?￡?7 ê?3?μ?á÷ó??μ?ê8Z O ê?3?×è?1ó??μ?ê

9V DD ?μ??μ??1ó????è￡¨×?è?í¨·?￡?10 ??2¨ò???

ó??μ?ê11 μ??1?2ì??ìó|ó?ê±??12￡?14 ?o???2ì??ìó|ó?ê±??

13￡?

15ó?ê?3?μ?á÷￡¨C O =4.7|ìF ￡?

16ó?ía?óì?′éμ?èY￡¨C O =4.7|ìF ￡?17ó?ê?3?μ?á÷￡¨C O =10|ìF ￡?

18213￥′?áaμ?×è

ó?ía?óì?′éμ?èY￡¨C O =10|ìF ￡?

I O Output Current mA (Pulse Tested)

O = 4.7 = 25C

O u t p u t V o l t a g e V

V O I O Output Current mA (Pulse Tested)

O u t p u t V o l t a g e V

V O í?1 TPS76325ê?3?μ??1ó?ê?3?μ?á÷μ?1??μ í?2 TPS76318ê?3?μ??1ó?ê?3?μ?á÷μ?1??μ

í?3 TPS76350ê?3?μ??1 í?4 TPS76325ê?3?μ??1ó?

ó?ê?3?μ?á÷μ?1??μ ???è￡¨×?è?í¨·?￡?μ?1??μ

I O Output Current mA (Pulse Tested) O u t p u t V o l t a g e V

V O

= C O = = 25C

T A Free-Air Temperature C

2.5

O u t p u t V o l t a g e V

V O

í?5 TPS76318ê?3?μ??1 í?6 TPS76350ê?3?μ??1ó? ó????è￡¨×?è?í¨·?￡?μ?1??μ ???è￡¨×?è?í¨·?￡?μ?1??μ

í?7 TPS76350μ?μ?á÷ó????è￡¨×?è?í¨·?￡?μ?1??μ í?8 ê?3???éùó??μ?êμ?1??μ

í?9 ê?3?×è?1ó??μ?êμ?1??μ í?10 TPS76325?μ??μ??1ó????è￡¨×?è?í¨·?￡?μ?1??μ

T A Free-Air Temperature C

1.74

1.81.78 15

1.82 55

O u t p u t V o l t a g e V

V O 1.751.79

1.761.81

1.77

T A Free-Air Temperature C

5 15

O u t p u t V o l t a g e V

V O

Free-Air

Temperature

100

15 55

1000

G r o u n d C u r r e n t A

μ f Frequency Hz

10k

100k

250

O u t p u t N o i s e

2μ2.5μ3μ1μ1.5μ0μ0.5μ

= 25

0.110

f Frequency kHz

O u t p u t I m p e d a n c e Z o ?

T A Free-Air Temperature C

0 35 15 55

400500 D r o p o u t V o l t a g e m V

V D O

í?11 TPS76325??2¨ò???ó??μ?êμ?1??μ

í?12 TPS76318μ??1?2ì??ìó| í?13 TPS76318?o???2ì??ìó|

í?14 TPS76350μ??1?2ì??ìó| í?15 TPS76350?o???2ì??ìó|

Frequency 10 M

1 M 100 k

10 k

1 k

100

R i p p l e R e j e c t i o n d B

f Hz

ESR = 1 μ?25

V O C h a n g e i n

?O u t p u t V o l t a g e m V

150

t Time μs

15010050

200250350300400450500

V O C h a n g e i n V I I n p u t V o l t a g e V

?O u t p u t V

o l t a g e

m V

= 4.7 ESR = 0.25 = 25C

t Time μs

0 6040

2080100140120160180200

í?16 μ?Dí?è?¨·??§213￥′?áaμ?×è í?17 μ?Dí?è?¨·??§213￥′?áaμ?×è

￡¨CSR ￡?*ó?ê?3?μ?á÷μ?1??μ ￡¨CSR ￡?*ó?ía?óì?′éμ?èYμ?1??μ

í?18 μ?Dí?è?¨·??§213￥′?áaμ?×è í?19 μ?Dí?è?¨·??§213￥′?áaμ?×è

￡¨CSR ￡?*ó?ê?3?μ?á÷μ?1??μ ￡¨CSR ￡?*ó?ía?óì?′éμ?èYμ?1??μ* CSR ??×ü′?áaμ?×è￡?°üà¨μ?èY?÷μ?ESR ￡¨μèD§′?áaμ?×è￡?￡?è?o?ía?óμ?′?áaμ?×èò??°?áC O μ?PWB á???μ?×è?￡

èy?￠ó|ó?×êá?

TPS763xx μí?1?μ￡¨LDO ￡??è?1?÷ê?D?Díμ??è?1?÷?μáD￡??ü×?êêó?óúμ?3?1?μ?μ?éè±?￡???ì?μ?°üà¨??μíμ??μ??μ??1￡?μí?2ì?μ?á÷￡¨140|ìA ￡?ò??°ê1?üê?è???￡??ü?ü1?±??è?1?÷°?μ??′μ?á÷??éùμ?2|ìA ò????￡

3.1 ?÷?tμ???ó?

TPS763xx ê1ó?PMOS í¨μà?a?t￡?ó???3￡ó?μ?PNP í¨μà?a?t￡¨PNP-pass-element ￡?LDO

0.1

0.01

050100150200250

100I O Output Current mA

C S R C o m p e n s a t i o n S e r i e s R e s i s t a n c e ?

= 4.7

μ= 25C

00.10.20.30.40.5Added Ceramic Capacitance μF

0.60.70.80.91

C S R C o m p e n s a t i o n S e r i e s R e s i s t a n

c e ?

0.1

0.01

05010015020025010

100

I O Output Current mA

C S R C o m p e n s a t i o

n S e r i e s R e s i s t a n c e

00.10.20.30.40.5Added Ceramic Capacitance μF

0.60.70.80.91

C S R C o m p e n s a t i o n S e r i e s R e s i s t a n c e ?

éè???à±è￡?′ó′ó??D?á??μ??μ??1oíμ??′μ?á÷?￡PMOS ?§ì?1üê?μ??1?????÷?t￡?ó?PNP ?§ì?1ü2?í?￡?μ±ê?3?μ?á÷???óê±￡??ü2?Dèòa???ó?y?ˉμ?á÷?￡′ó????μ?×?′ó?o??￡?TPS763xx μ?μ??′μ?á÷?ù±?2?±??￡

μ?á÷?T??oíèè±￡?¤±ü?aá?óé1yá?μ??o??μ?á÷oí/?ò1|o???òy?eμ??e?μ?￡?÷?t?D??μ??ü???a1A μ?o??¨μ?á÷·?ê?￡??ù?ó???o??????D?ê?3?μ??1??2?ê????óê?3?μ?á÷?￡è?1??á??éy?á165??ò?é?￡????′èè±￡?¤??1?±??è?1?÷?￡μ±?á???μ?á????×a??μ?ò?????25??ê±×??ˉ???′?y3￡1¤×÷×′ì??￡PMOS í¨μà?a?t°üà¨±3?ò￡¨back ￡??t??1ü￡?μ±ê?è?μ??1μ????μ?áê?3?μ??1μ???ò???ê±￡????t??1ü°2è?μ?μ?í¨·′?òμ?á÷?￡

ê1?üê?è???EN μ????-μíμ?????1?±?ê?3?2￠°?μ??′μ?á÷???á2|ìA ò????￡?ú2?ê1ó?1?±?ì?D?μ?ó|ó??D￡?EN ó|á??ó?á??μ????￡

μ?Díó|ó?μ??·í?ê?óúí?20?￡

* TPS76318￡?TPS76325￡?TPS76333￡?TPS76350￡¨1ì?¨μ??1???t￡?

í?20 μ?Díó|ó?μ?

3.2 ía2?μ?èYDè?ó

??è?2?ò??¨Dèòa￡?μ?ê??aá??????2ì??ìó|oí??éùò???￡??ò??í????úIN oíGND ??????á??ó0.047|ìF ?ò?ü′óμ?ì?′é???·ê?è?μ?èY2￠°??ü???üTPS763xx ?￡è?1??úí?′óμ??ì?ùé?éyê±???o???2±????ò?÷?t??óúà??aμ??′êyó￠′???′|￡????′′óèYá?μ?μ??aê?è?μ?èYò2?é?üê?±?Dèμ??￡

ó??ùóDμí?1?μ?è?1?÷ò??ù￡?TPS763xx Dèòa?úOUT oíGND ??????á??óê?3?μ?èYò??è?¨?ú2??·?·?????￡×?D?í???μ?μ?èYá??a4.7|ìF ?òESR ￡¨μèD§′?áaμ?×è￡?±?D??ú0.2|?oí20|??????￡?ùè?ESR D?óú20|?￡????′4.7|ìF ?ò??′óμ?μ?èYá?ò2ê??é?óêüμ??￡è?1?·?o?é?ê?òa?ó￡????′1ìì???μ??a?ê?￠?áμ??a?êò??°?à2?ì?′éμ?èY??ê?êêó?μ??￡′ó?àêyéìó?4.7|ìF ±í??°2×°1ìì???μ?èY￡?°üà¨Sprague ?￠Kemet ò??°Nichico éú2úμ??a?t·?o?é?ê?ESR òa?ó?￡?ú?÷?t????1¤×÷???è·??§?ú￡??à2?ì?′éμ?èYó|μ±??óD1|ìF μ?×?D??μ?￡

μ?èY????

?a?tDío????ì3§éìêy?μ×?′óESR*3?′?￡¨???á3¤?á?í￡?*

T494B475K016AS KEMET 4.7|ìF 1.5|? 1.9?á3.5?á2.8195D106x0016x2T SPRAGUE 10|ìF 1.5|? 1.3?á7.0?á2.7695D106x003562T SPRAGUE 10|ìF 1.3|? 2.5?á7.6?á2.5TPSC475K035R0600

AVX

4.7|ìF

0.6|?

2.6?á6.0?á

3.2

0.1 V I

TPS763xx

* 3?′??a×?D??μ?￡ESR ê?100kHz oíT A =25??ê±μ?×?′óμ?×è￡¨ò??·?·??￡??￡ 3.3 ê?3?μ??1±à3ì

è?í?21?ùê?￡?TPS76301?éμ÷?è?1?÷μ?ê?3?μ??1óéía2?μ?×è·??1?÷???¨￡¨±à3ì￡??￡ê?3?μ??1ó???ê?????￡o

R 1R 1(V 995.0V ref O +

××=￡¨1￡?

???D￡oV ref =1.192V ￡¨μ?Dí?μ￡?￡¨?ú2??ù×?μ??1￡? 0.995ê?ó?óúμ÷?o???è?1?÷?DD?￡¨1%￡?μ?3￡êy

R )1V 995.0V (

1R ref

×?×=￡¨2￡?

ê?3?μ??1±à3ì????

·??1?÷μ?×è￡¨k |?￡?*ê?3?μ??1￡¨V ￡?

R1R22.51821693.33011693.6348169440216955491696.45

750

169

* ?ùê??a??è·μ?1%μ?êy?μ

í?21 TPS76301?éμ÷LDO ?è?1?÷μ?±à3ì

3.4 1|o?oí?á??

?á125??μ??á???éè·±￡1??¨μ??è?1?÷1¤×÷ì?D?￡?±ü?a?e?μ?÷?tμ??êDí×?′ó?á???a150???￡

JA A

max

J (max)

D R T

θ?

???D￡oT Jmaxê?×?′ó?êDí?á??

R|èJAê?·a×°μ??á?á?·?3￡¨junction-to-ambient￡?èè×è￡???óú5??SOT23·a×°?a285??/W T Aê??·?3???è

?è?1?÷1|o?óé??ê?????￡o

P D = ￡¨V I￡-V O￡??áI O

óé?2ì?μ?á÷2úéúμ?1|o?±?o????￡

3.5 ?è?1?÷μ?±￡?¤

TPS763xx PMOSí¨μà?§ì?1ü??óD?ú??±3?ò?t??1ü￡¨back diode￡?￡?μ±ê?è?μ??1?μ?áê?3?μ??1????ê±￡¨?′￡??úμ?μ??ú???ú￡??ü°2è?μ?μ?í¨·′?òμ?á÷?￡μ?á÷′óê?3?á÷?áê?è??ò?ú?ú2??′êüμ??T???￡è?1??¤?úóDà?3?μ?·′?òμ?á÷￡????′?é?üòa2éè?ía2?μ??T??′?ê??￡TPS763xx?1??óD?ú2?μ?á÷?T??oíèè±￡?¤μ?ì?μ??￡?ú?y3￡1¤×÷?ú???ú￡?TPS763xx°?ê?3?μ?á÷?T???á′ó??800mA?￡?ú?T??μ?á÷ê±￡?ê?3?μ??1??D?μ?·′±èày±??ˉ￡??±?á1yá÷×′ì??áê??￡?úéè??μ?á÷?T??ò?±ü?a?÷?t????ê§D§μ?í?ê±￡?ó|μ±D?D?μ?±ü?a3?1y·a×°μ????¨?μ?￡è?1??÷?tμ????è3?1y165??￡????′èè±￡?¤μ??·????1?±??￡ò?μ??÷?t±?à?è′μ?140??ò???￡??è?1?÷μ?1¤×÷±????′?￡