LTC3200-5 Datasheet, PDF (1/12 Pages) Linear Technology – DC/DC CONVERTERl

LTC3200/LTC3200-5
௿ϊΠζɺ҆ఆԽ
νϟʔδɾϙϯϓ%$%$ίϯόʔλ
ಛ௕
■ _{௿ϊΠζݻఆप೾਺ಈ࡞}
■ _{ग़ྗిྲྀɿN"}
■ _{ϐ ϯ .401ʢ -5$ʣ͓ Α ͼ ബ ܕʢ NNʣϐ ϯ}
5IJO405^5.ʢ-5$ʣύοέʔδͰڅڙ
■ _{εΠονϯάप೾਺ɿ.)[
ݻ} ■_{ఆ7ʶग़ྗʢ-5$ʣ·ͨ͸Մมग़ྗ}
■ _{7*/ൣғɿ7ʙ7}
■ _{ࣗಈιϑτελʔτʹΑΔಥೖిྲྀͷ௿ݮ}
■ _{ΠϯμΫλෆཁ}
■ _{γϟοτμ΢ϯ࣌ɿ*$$µ"}
ΞϓϦέʔγϣϯ
■ _{ന৭-&%ͷόοΫϥΠτ}
■ _{-J*POόοςϦͷόοΫΞοϓిݯ}
■ _{ϩʔΧϧ7͔Β7΁ͷม׵}
■ _{εϚʔτɾΧʔυɾϦʔμ}
■ _{1$.$*"༻ϩʔΧϧ7ిݯ}
֓ཁ
-5$^®-5$͸ɺ௿ϊΠζɺݻఆप೾਺εΠο
ντɾΩϟύγλిѹμϒϥͰ͢ɻ7ʙ7ͷೖྗ͔
Βɺ࠷େN"ͷग़ྗిྲྀͰ҆ఆԽग़ྗిѹΛ·͠څڙ
͢ɻ֎෇͚෦඼఺਺͕গͳ͍ͷͰʢϑϥΠϯάɾίϯσ
ϯαͱݸɺ7_*/ͱ7₀₆₅ʹখܕόΠύεɾίϯσϯα
ݸʣɺ-5$-5$͸খܕͷόοςϦۦಈΞϓϦ
έʔγϣϯʹ࠷దͰ͢ɻ
৽͍͠νϟʔδɾϙϯϓɾΞʔΩςΫνϟʹΑΓɺθϩ
ෛՙ·ͰݻఆεΠονϯάप೾਺Λҡ࣋͠ɺग़ྗͱೖྗ
ͷ྆ํͷϦοϓϧΛݮΒ͠·͢ɻ-5$-5$͸
αʔϚϧɾγϟοτμ΢ϯػೳΛඋ͍͑ͯΔͷͰɺ
7₀₆₅͔Β(/%΁ͷ࿈ଓ୹བྷʹ଱͑Δ͜ͱ͕Ͱ͖·͢ɻ
಺ଂιϑτελʔτճ࿏ʹΑΓɺىಈ࣌ͷա౓ͷಥೖి
ྲྀΛ๷͗·͢ɻ
εΠονϯάप೾਺͕ߴ͍ͷͰɺখܕͷηϥϛοΫɾίϯ
σϯαΛ࢖༻͢Δ͜ͱ͕Ͱ͖·͢ɻ௿ిྲྀγϟοτμ΢ϯ
ػೳʹΑΓɺෛՙΛ7_*/͔Β੾Γ཭ͯ͠ɺফඅిྲྀΛµ"Ҏ
Լ΁Լ͛·͢ɻ
-5$͸ϐϯ.401ύοέʔδͰ͞څڙΕɺ-5$
͸ϐϯ5IJO405ύοέʔδͰ͞څڙΕ·͢ɻ
ɺ-5$ɺ-5͸ϦχΞςΫϊϩδʔࣾͷొ࿥঎ඪͰ͢ɻ
5IJO405͸ϦχΞςΫϊϩδʔࣾͷ঎ඪͰ͢ɻ
ඪ४తԠ༻ྫ
7ʙ7ೖྗ͔Β҆ఆԽ͞Εͨ7Λग़ྗ
1µF
V_IN
2.7V TO 4.5V
1µF
OFF ON
4
6
C^– C⁺
LTC3200-5
5
1
V_IN V_OUT
2
1µF
GND
3
SHDN
V_OUT = 5V ±4%
I_OUT UP TO 40mA, V_IN ≥ 2.7V
I_OUT UP TO 100mA, V_IN ≥ 3.1V
ALL CAPACITORS = MURATA GRM 39X5R105K6.3AJ
OR TAIYO YUDEN JMK107BJ105MA
3200-5 TA01
ग़ྗϦοϓϧిѹͱෛՙిྲྀ
40
V_IN = 3V
C_FLY = 1µF
T_A = 25°C
30
C_OUT = 1µF
20
C_OUT = 2.2µF
10
0
0
25
50
75
100
OUTPUT CURRENT (mA)
3200 TA02
1