W-6137 Datasheet

W-6137
W-6137
CMOS᪼ᅽᘧࢥࣥࣂ࣮ࢱ
ⓑⰍLEDࢻࣛ࢖ࣂ࣮
ᴫ せ
W-6137ࡣࠊDC/DC᪼ᅽᘧࡢࢥࣥࣂ࣮ࢱ࡛ࠊᏳᐃ໬ࡉ
ࢀࡓฟຊ㟁ὶࢆ౪⤥ࡋࡲࡍࠋ1 MHzࡢᅛᐃࢫ࢖ࢵࢳࣥࢢ
࿘Ἴᩘືస࡟ࡼࡾࠊᑠᙧࡢࢭ࣑ࣛࢵࢡࢥࣥࢹࣥࢧ࡜࢖
ࣥࢲࢡࢱࡀ౑⏝࡛ࡁࡲࡍࠋ
W-6137ࡣࠊ┤ิ࡟᥋⥆ࡉࢀࡓⓑⰍLEDࢆ㥑ືࡋࠊᆒ
୍࡞᫂ࡿࡉࢆ㐩ᡂࡍࡿࡓࡵࡢ᭱㐺࡟Ᏻᐃ໬ࡉࢀࡓ㟁ὶ
ࢆ౪⤥ࡋࡲࡍࠋእ㒊ࡢ᢬ᢠჾR1ࡣฟຊ㟁ὶ್ࢆタᐃࡋࠊ
ධຊ౪⤥㟁ᅽࡀ2.2 V࠿ࡽ5.5 Vࡲ࡛ࡢᗈ࠸㡿ᇦ࡛ࠊ᭱኱
30 mAࡢ㟁ὶࢆὶࡍࡇ࡜ࡀ࡛ࡁࡲࡍࡢ࡛ࠊࣂࢵࢸ࣮ࣜ㟁
ຊࡢ࢔ࣉࣜࢣ࣮ࢩࣙࣥ࡟᭱㐺࡛ࡍࠋ
LEDࡢ㍤ᗘㄪᩚࡣࠊDC㟁ᅽࠊࣟࢪࢵࢡಙྕࡸࣃࣝࢫ
ᖜኚㄪಙྕ (PWM) ࡟ࡼࡾ⾜࠺ࡇ࡜ࡀ࡛ࡁࡲࡍࠋࢩࣕ
ࢵࢺࢲ࢘ࣥධຊࣆࣥ࡟ࡼࡾࠊࢹࣂ࢖ࢫࢆࢮࣟ࡟㏆࠸⮬
ᕫᾘ㈝㟁ὶ್ࡢࣃ࣮࣡ࢲ࣮࢘ࣥࣔࢻ࡟ࡍࡿࡇ࡜ࡀ࡛ࡁ
ࡲࡍࠋ
㐣⇕ಖㆤ࡜㐣㟁ὶไ㝈ಖㆤ࡟ຍ࠼ࠊࢹࣂ࢖ࢫࡣLED
ࡀ࣮࢜ࣉࣥ࡟࡞ࡗࡓ␗ᖖ᫬࡟㠀ᖖ࡟ప࠸㟁ຊ࡛ືసࡍ
ࡿ࣮ࣔࢻ࡟࡞ࡾࡲࡍࠋW-6137ࡣࢫ࣮࣌ࢫࡀၥ㢟࡜࡞ࡿ
࢔ࣉࣜࢣ࣮ࢩࣙࣥࡢࡓࡵ࡟ࠊⷧᆺ (᭱኱ཌࡳ1 mm) 5ࣆ
ࣥ SOT23ࣃࢵࢣ࣮ࢪ࡜࡞ࡗ࡚࠸ࡲࡍࠋ
≉ 㛗
࣭3 V࡛᭱኱5 ಶࡢⓑⰍLEDࢆ㥑ື
࣭᭱኱ 87 %ࡢ㟁ຊኚ᥮ຠ⋡
࣭0.6 mAࡢ⮬ᕫᾘ㈝㟁ὶ
࣭ྍኚฟຊ㟁ὶ (᭱኱30 mA)
࣭1 MHzࡢ㧗࿘Ἴືస
࣭࣮࢜ࣉࣥ᫬ࡢLED㟁ᅽไ㝈 (29 V)
࣭2 Vࡲ࡛ືసྍ⬟ (༢3㟁ụ2ᮏ࡛ືస)
࣭ࢯࣇࢺࢫࢱ࣮ࢺ௜ࡁ
࣭LED࣮࢜ࣉࣥ᫬ࡢప㟁ຊ࣮ࣔࢻ
࣭ධຊ㟁ᅽ1.9 V࡛⮬ືࢩࣕࢵࢺࢲ࢘ࣥ (UVLO)
࣭㐣⇕ಖㆤ௜ࡁ
࣭ⷧᆺSOT23 5ࣆࣥ (᭱኱ཌࡳ1 mm)
࣭㖄ࣇ࣮ࣜࠊࣁࣟࢤࣥࣇ࣮ࣜ/BFRࣇ࣮ࣜࠊRoHSᑐᛂ
ࣆࣥ᥋⥆
࣐࣮࢟ࣥࢢ
UE = W-6137TD-GT3
Y = 〇㐀ᖺ㸦ୗ 1 ᱆㸧
M = 〇㐀᭶㸦1-9, A, B, C ཪࡣ O, N, D㸧
࣮࢜ࢲ࣮࢖ࣥࣇ࢛࣓࣮ࢩࣙࣥ
ᆺᘧ
W-6137TD-GT3
(ὀグ 1)
ࣃࢵࢣ࣮ࢪ
ฟⲴ
TSOT-23
(㖄ࣇ࣮ࣜ)
3,000 /
ࢸ࣮ࣉ㸤
࣮ࣜࣝ
1. NiPdAu ࣓ࢵ࢟ (RoHS ᑐᛂ)
࢔ࣉࣜࢣ࣮ࢩࣙࣥ
࣭LCDࡢࣂࢵࢡࣛ࢖ࢺ
࣭ᦠᖏ㟁ヰ
࣭ᦠᖏ⏝ᶵჾ
࣭ࢹࢪࢱ࣓ࣝ࢝ࣛ
᪥ᮏ㟁⏘ࢥࣃࣝ㟁Ꮚᰴᘧ఍♫
2015ᖺ12᭶ – ᨵゞ 3
1
ᩥ᭩␒ྕ:
W-6137/(
W-6137
࢔ࣉࣜࢣ࣮ࢩࣙࣥ
ᅗ 1. ࢔ࣉࣜࢣ࣮ࢩࣙࣥᅇ㊰
⾲1. ⤯ᑐ᭱኱ᐃ᱁
ࣃ࣓࣮ࣛࢱ
VIN, FB㟁ᅽ
ʊʊʊʊʊʊ
SHDN 㟁ᅽ
SW㟁ᅽ
ಖᏑ ᗘ⠊ᅖ
ࢪࣕࣥࢡࢩࣙࣥ ᗘ
࣮ࣜࢻ ᗘ
ᐃ᱁
-0.3㹼+7
༢఩
V
-0.3㹼+7
V
V
Υ
Υ
Υ
-0.3㹼+40
-65㹼+160
-40㹼+150
300
ࠕ⤯ᑐ᭱኱ᐃ᱁ࠖࢆ㉸࠼ࡓࢫࢺࣞࢫࡣࢹࣂ࢖ࢫ࡟⮴࿨ⓗ࡞ࢲ࣓࣮ࢪࢆ୚࠼ࡲࡍࠋ᭱኱ᐃ᱁ࡣࢫࢺࣞࢫࡢᐃ᱁ࡢࡳ࡛
ࡍࠋ⤯ᑐ᭱኱ᐃ᱁ࡢ᮲௳࡟㛗᫬㛫ᨺ⨨ࡋ࡚࠾ࡃ࡜ࠊࢹࣂ࢖ࢫࡢಙ㢗ᛶ࡟ᝏᙳ㡪ࢆ୚࠼ࡲࡍࠋ
⾲2. ᥎ዡືస᮲௳
ࣃ࣓࣮ࣛࢱ
ᐃ᱁
2.2㹼5.5
0㹼24
-40㹼+85
1㹼30
VIN
SWࣆࣥ㟁ᅽ
ືస ᗘ⠊ᅖ
LEDࣂ࢖࢔ࢫ㟁ὶ
2
༢఩
V
V
Υ
mA
W-6137
⾲3. 㟁Ẽ≉ᛶ
(ୖグࡢ᥎ዡືస௨እ࡟ᣦᐃࡉࢀ࡞࠸㝈ࡾ௨ୗࡢ᮲௳࡜ࡍࡿࠋVIN = 3.6 V, TA = 25 Υ)
グྕ
IQ
ືస㟁ὶ
ISD
VFB
IFB
ILED
ࢩࣕࢵࢺࢲ࢘ࣥ㟁ὶ
FB ࣆࣥ㟁ᅽ
FB ࣆࣥධຊ࣮ࣜࢡ㟁ὶ
ࣉࣟࢢ࣒࡛ࣛࡁࡿ LED 㟁ὶ
VIH
ʊʊʊʊʊʊ
VIL
ʊʊʊʊʊʊ
FSW
ILIM
RSW
ILEAK
TSD
THYS
Ș
VUVLO
VOV-SW
ࣃ࣓࣮ࣛࢱ
SHDN ࣟࢪࢵࢡ High
SHDN ࣟࢪࢵࢡ Low
ࢫ࢖ࢵࢳࣥࢢ࿘Ἴᩘ
ࢫ࢖ࢵࢳ㟁ὶไ㝈
ࢫ࢖ࢵࢳ ON ᢬ᢠ
ࢫ࢖ࢵࢳ࣮ࣜࢡ㟁ὶ
ࢩࣕࢵࢺࢲ࢘ࣥ ᗘ
ᗘࡢࣄࢫࢸࣜࢩࢫ
ຠ⋡
ప㟁ᅽࣟࢵࢡ࢔࢘ࢺࡢࢫࣞࢵࢩࣙࣝࢻ㟁ᅽ
㐣㟁ᅽࢫࣞࢵࢩࣙࣝࢻ㟁ᅽ
᮲௳
VFB = 0.3 V
VFB = 0.4 V (not switching)
VSHDN = 0 V
3LEDs with ILED = 20 mA
Min
R1 = 10 ȍ
R1 = 15 ȍ
R1 = 20 ȍ
Enable Threshold Level
28.5
19
14.25
ʊʊʊʊʊʊ
Shutdown Threshold Level
ISW = 100 mA
Switch Off, VSW = 5 V
Typical Application Circuit
“Open LED” fault
3
285
Typ
0.4
0.1
0.1
300
0.1
30
20
15
0.8
0.4
0.7
0.7
250
1.0
300
1.0
1
150
20
86
1.9
29
Max ༢఩
1.5
mA
0.3
1
ȝA
315
mV
1
ȝA
31.5
mA
21
15.75
1.5
V
1.3
400
2.0
5
MHz
mA
ȍ
ȝA
Υ
Υ
%
V
V
W-6137
ᶆ‽ⓗ࡞≉ᛶ
(VIN = 3.6 V, CIN = 1.0 ȝF, COUT = 0.22 ȝF, L = 22 ȝH with 3 LEDs at 20 mA, TAMB = 25 Υ)
ᅗ2. ⮬ᕫᾘ㈝㟁ὶ࡜VIN (ࢫ࢖ࢵࢳࣥࢢ࡞ࡋ)
ᅗ3. ⮬ᕫᾘ㈝㟁ὶ࡜VIN (ࢫ࢖ࢵࢳࣥࢢ࠶ࡾ)
ᅗ4. FBࣆࣥ㟁ᅽ࡜㟁※㟁ᅽ
ᅗ6. ࢫ࢖ࢵࢳࣥࢢ࿘Ἴᩘ࡜㟁※㟁ᅽ
ᅗ5. FBࣆࣥ㟁ᅽ࡜ฟຊ㟁ὶ
ᅗ7. ࢫ࢖ࢵࢳON᢬ᢠ࡜ධຊ㟁ᅽ
4
W-6137
ᶆ‽ⓗ࡞≉ᛶ
(VIN = 3.6 V, CIN = 1.0 ȝF, COUT = 0.22 ȝF, L = 22 ȝH with 3 LEDs at 20 mA, TAMB = 25 Υ)
ᅗ8. LED㟁ὶ࡜ධຊ㟁ᅽ (3 LEDs)
ᅗ9. LED㟁ὶኚື
ᅗ10. 㟁※㟁ᅽ࡟ᑐࡍࡿຠ⋡ (3 LEDs)
ᅗ11. ㈇Ⲵ㟁ὶ࡟ᑐࡍࡿຠ⋡ (3 LEDs)
ᅗ12. 㟁※㟁ᅽ࡟ᑐࡍࡿຠ⋡ (4 LEDs)
ᅗ13. ㈇Ⲵ㟁ὶ࡟ᑐࡍࡿຠ⋡ (4 LEDs)
5
W-6137
ᶆ‽ⓗ࡞≉ᛶ
(VIN = 3.6 V, CIN = 1.0 ȝF, COUT = 0.22 ȝF, L = 22 ȝH with 3 LEDs at 20 mA, TAMB = 25 Υ)
ᅗ14. FBࣆࣥ㟁ᅽ࡜ ᗘ
ᅗ15. ࢩࣕࢵࢺࢲ࢘ࣥ㟁ᅽ࡜ධຊ㟁ᅽ
ᅗ16. ప㟁ᅽࣟࢵࢡ࢔࢘ࢺ࡜ ᗘ
ᅗ17. ࢫ࢖ࢵࢳࣥࢢ࿘Ἴᩘ࡜ ᗘ
ᅗ18. ࢫ࢖ࢵࢳࣥࢢἼᙧ (LEDࢆ3 ಶ┤ิ)
6
ᅗ19. ࢫ࢖ࢵࢳࣥࢢἼᙧ (LEDࢆ2 ಶ┤ิ)
W-6137
ᶆ‽ⓗ࡞≉ᛶ
(VIN = 3.6 V, CIN = 1.0 ȝF, COUT = 0.22 ȝF, L = 22 ȝH with 3 LEDs at 20 mA, TAMB = 25 Υ)
ᅗ20. 㟁※㉳ື (3 LEDs 20 mA)
ᅗ21. ࣛ࢖ࣥࢺࣛࣥࢪ࢙ࣥࢺ཯ᛂ (3 V㹼5.5 V)
ᅗ22. ᭱኱ฟຊ㟁ὶ࡜ධຊ㟁ᅽ
7
W-6137
➃Ꮚࡢᶵ⬟
VIN㸸ෆ㒊ࣟࢪࢵࢡࡢࡓࡵࡢ㟁※ධຊ࡛ࡍࠋࢹ
ࣂ࢖ࢫࡣࠊ㟁※㟁ᅽࡀ2.2 V࠿ࡽ5.5 V࡟㐺ᛂ࡛ࡁ
ࡲࡍࠋ1 ȝFࡢᑠࡉ࡞ࣂ࢖ࣃࢫ⏝ࡢࢭ࣑ࣛࢵࢡࢥ
ࣥࢹࣥࢧࢆࢹࣂ࢖ࢫࡢ㏆ࡃࡢVIN-GND㛫࡟ྲྀࡾ
௜ࡅࡍࡿࡇ࡜ࢆ᥎ዡࡋࡲࡍࠋప㟁ᅽࣟࢵࢡ࢔࢘
ࢺᅇ㊰ (UVLO) ࡣࠊ㟁※ࡀ1.9 V௨ୗ࡟㝆ୗࡋࡓ
ሙྜ࡟ࡣࠊࢹࣂ࢖ࢫࡣ࢔࢖ࢻ࣮ࣝࣔࢻ (ࢫ࢖ࢵ
ࢳࣥࢢ೵Ṇ) ࡟࡞ࡾࡲࡍࠋ
SW㸸ෆ㒊ࡢప᢬ᢠ㟁ຊࢫ࢖ࢵࢳࡢࢻࣞ࢖ࣥ➃Ꮚ
࡛ࡍࠋ࢖ࣥࢲࢡࢱ࡜ࢩࣙࢵࢺ࣭࢟ࢲ࢖࣮࢜ࢻࡢ࢔
ࣀ࣮ࢻࢆࠊSWࣆࣥ࡟᥋⥆ࡋ࡚ࡃࡔࡉ࠸ࠋSWࣆࣥ
࡬ࡢᘬࡁᅇࡋࡣࠊ࡛ࡁࡿࡔࡅ▷ࡃࠊ᭱ᑠࡢ㛢ᅇ㊰
㡿ᇦ࡜ࡋ࡚ࡃࡔࡉ࠸ࠋࡇࡢࣆࣥࡣࠊ24 V௨ୖ࡜࡞
ࡿ࡜ືసࡍࡿ㐣㟁ᅽಖㆤᅇ㊰ࢆྵࢇ࡛࠸ࡲࡍࠋ
LEDࡀ࣮࢜ࣉࣥ࡟࡞ࡗࡓᨾ㞀≧ែࡢሙྜࠊప㟁ຊ
ືస࣮ࣔࢻ࡟ධࡾࠊSWࣆࣥࡣ࠾ࡼࡑ30 V࡟ࢡࣛ
ࣥࣉࡉࢀࡲࡍࠋ
ʊʊʊʊʊʊ
SHDN㸸ࢩࣕࢵࢺࢲ࢘ࣥ⏝ࡢࣟࢪࢵࢡධຊ࡛ࡍࠋ
ࣆࣥ㟁ᅽࡀ0.4 V௨ୗ࡟࡞ࡗࡓ᫬ࠊࢹࣂ࢖ࢫࡣࡍ
ࡄ࡟ࢩࣕࢵࢺࢲ࣮࢘ࣥࣔࢻ࡟ධࡾࠊ㟁ὶࡣ࡯࡜
ࢇ࡝0࡜࡞ࡾࡲࡍࠋ1.5 V௨ୖࡢ㟁ᅽ࡛ࡣࠊࢹࣂ࢖
ࢫࡣ᏶඲࡟᭷ຠ࡜࡞ࡾࠊືస≧ែ࡟࡞ࡾࡲࡍࠋ
FB㸸ࣇ࢕࣮ࢻࣂࢵࢢࣆࣥࡣࠊ0.3 V࡟Ᏻᐃ໬ࡉࢀ
࡚࠸ࡲࡍࠋFBࣆࣥ࡜ࢢࣛࣥࢻ࡜ࡢ㛫࡟᥋⥆ࡋࡓ
᢬ᢠ࡛ࠊ௨ୗࡢᘧ࡟ࡼࡾLED㟁ὶࢆタᐃࡋࡲࡍࠋ
᭱ୗ㒊ࡢLEDࡢ࢝ࢯ࣮ࢻࢆFBࣆࣥ࡟᥋⥆ࡋࡲ
ࡍࠋ
GND㸸GND࡟᥋⥆ࡍࡿࣆ࡛ࣥࡍࠋࡇࡢࣆࣥࡣᇶ
ᯈୖࡢࢢࣛࣥࢻ㠃࡟┤᥋ࠊ᥋⥆ࡋ࡚ࡃࡔࡉ࠸ࠋ
⾲1. ➃Ꮚࡢᶵ⬟
ࣆࣥ␒ྕ
ྡ⛠
1
SW
2
GND
3
FB
ʊʊʊʊʊʊ
4
SHDN
5
VIN
ᶵ⬟
ࢫ࢖ࢵࢳࣆࣥࠋෆ㒊㟁ຊࢫ࢖ࢵࢳࡢࢻࣞ࢖ࣥ࡟᥋⥆ࡉࢀ࡚࠸ࡲࡍࠋ
ࢢࣛࣥࢻࣆࣥࠋࡇࡢࣆࣥࡣGND࡟᥋⥆ࡉࢀ࡚࠸ࡲࡍࠋ
ࣇ࢕࣮ࢻࣂࢵࢡࣆࣥࠋࡇࡢࣆࣥࡣ᭱ᚋࡢLEDࡢ࢝ࢯ࣮ࢻ࡟᥋⥆ࡋࡲࡍࠋ
ࢩࣕࢵࢺࢲ࢘ࣥࣆࣥ (Logic Low)ࠋH࡟ࡍࡿࡇ࡜࡛ࢻࣛ࢖ࣂ࣮ࢆ᭷ຠ࡟ࡋࡲࡍࠋ
㟁※ධຊ
8
W-6137
ືస
W-6137ࡣᅛᐃࡢ࿘Ἴᩘ (1 MHz)ࠊపࣀ࢖ࢬ࡛
㈇Ⲵ࡟Ᏻᐃࡋࡓ㟁ὶࢆ౪⤥ࡍࡿ᪼ᅽᘧࢥࣥࣂ࣮
ࢱ࡛ࡍࠋ㧗㟁ᅽෆ㒊CMOSࣃ࣮࣡ࢫ࢖ࢵࢳࡀእ
㒊࢖ࣥࢲࢡࢱࢆບ㉳ࡍࡿࡓࡵ࡟⏝࠸ࡽࢀࡲࡍࠋ
ࣃ࣮࣡ࢫ࢖ࢵࢳࡀOFF࡟ษࡾ᥮ࢃࡗࡓ᫬ࠊ⵳✚
ࡉࢀࡓ࢖ࣥࢲࢡࢱࡢ࢚ࢿࣝࢠ࣮ࡀࠊእ㒊ࡢࢩࣙ
ࢵࢺ࣭࢟ࢲ࢖࣮࢜ࢻࢆ௓ࡋ࡚㈇Ⲵ࡟ᨺฟࡉࢀࡲ
ࡍࠋ
ࣃ࣮࣡ࢫ࢖ࢵࢳࡢON/OFFࢹ࣮ࣗࢸ࢕ࢧ࢖ࢡ
ࣝࡣࠊෆ㒊࡛ㄪᩚࡉࢀ࠿ࡘࠊࣇ࢕࣮ࢻࣂࢵࢡࣆ
ࣥ (FB) ࡟᥋⥆ࡉࢀ࡚࠸ࡿࣇ࢕࣮ࢻࣂࢵࢡ᢬ᢠ
࡛0.3 Vࡢ୍ᐃ࡟Ᏻᐃ໬ࡉࢀࡓ㟁ᅽࢆ⥔ᣢࡍࡿࡓ
ࡵ࡟ไᚚࡉࢀ࡚࠸ࡲࡍࠋ᢬ᢠࡢ್࡛LEDࡢ㟁ὶ
ࢆタᐃࡋࡲࡍ (0.3 V/R1)ࠋ
㟁※ᢞධࡢึᮇ࡟࠾࠸࡚ࠊෆ㒊ࣃ࣮࣡ࢫ࢖ࢵ
ࢳࡢࢹ࣮ࣗࢸ࢕ࢧ࢖ࢡࣝࡣࠊ㐣ᗘࡢ✺ධ㟁ὶࢆ
㜵ࡄࡓࡵ࡟ไ㝈ࡉࢀࠊࡑࢀ࡟ࡼࡾࢯࣇࢺࢫࢱ࣮
ࢺ࣮ࣔࢻࡢືసࢆᥦ౪ࡋࡲࡍࠋ
㏻ᖖࡢືస࡟࠾࠸࡚ࠊࢹࣂ࢖ࢫࡣ᭱㧗5 ಶࡢ┤
ิࠊⓑⰍLEDࢆࣂ࢖࢔ࢫ㟁ὶࡀ᭱኱30 mA࡛㥑ື
ࡍࡿࡇ࡜ࡀ࡛ࡁࡲࡍࠋ
LEDࡀ࣮࢜ࣉࣥ࡟࡞ࡿࡼ࠺࡞␗ᖖࡢሙྜ࡟
ࡣࠊࣇ࢕࣮ࢻࣂࢵࢡࢥࣥࢺ࣮࣮ࣟࣝࣝࣉࡣ࣮࢜
ࣉࣥ࡜࡞ࡾࠊฟຊ㟁ᅽࡣቑຍࡋ⥆ࡅࡲࡍࠋ୍᪦
㟁ᅽࡀ24 Vࢆୖᅇࡿ࡜ࠊෆⶶಖㆤᅇ㊰ࡀືస
ࡋࠊࢹࣂ࢖ࢫࡣ㠀ᖖ࡟ప࠸㟁ຊࡢᏳ඲࡞ືసࣔ
࣮ࢻ࡟࡞ࡾࡲࡍࠋࡑࢀ࡟ຍ࠼ࠊෆⶶࡢࢡࣛࣥࣉ
ᅇ㊰ࡣࣆ࣮ࢡฟຊ㟁ᅽࢆ29 V࡟ไ㝈ࡋࡲࡍࠋࡶ
ࡋࠊࡇࡢ␗ᖖࡢ≧ែࡀಟ᚟ࡉࢀࡲࡍ࡜ࠊࢹࣂ࢖
ࢫࡣ㏻ᖖືసࢆ⮬ືⓗ࡟෌㛤ࡋࡲࡍࠋ
㐣⇕࡛ಖㆤᅇ㊰ࡣࠊࢹࣂ࢖ࢫࡀ150 Υ௨ୖࡢ␗
ᖖ࡞ࢪࣕࣥࢡࢩࣙࣥ ᗘ࡛ࡢືసࡢಖㆤࡶྵࢇ
࡛࠸ࡲࡍࠋ㐣⇕ಖㆤ᫬࡟ࡣࠊࢹࣂ࢖ࢫࡣ⮬ືⓗ
࡟ࢩࣕࢵࢺࢲ࢘ࣥࡋࠊ㏻ᖖືసࡣࢪࣕࣥࢡࢩࣙ
ࣥ ᗘࡀ130 Υ࡟෭࠼ࡿࡲ࡛ᚅᶵࡋࡲࡍࠋ
ᅗ23. ࣈࣟࢵࢡᅗ
9
W-6137
࢔ࣉࣜࢣ࣮ࢩࣙࣥ᝟ሗ
እ௜ࡅ㒊ရࡢ㑅ᢥ
ࢩࣙࢵࢺ࣭࢟ࢲ࢖࣮࢜ࢻ
ࢩࣙࢵࢺ࣭࢟ࢲ࢖࣮࢜ࢻࡢᐃ᱁㟁ὶࡣࠊࡑࢀ
ࢆὶࢀࡿࣆ࣮ࢡ㟁ὶ௨ୖࡢࡶࡢ࡟ࡋࡲࡍࠋࢩࣙ
ࢵࢺ࣭࢟ࢲ࢖࣮࢜ࢻࡢᛶ⬟ࡣࠊࡑࡢᣦᐃࡉࢀࡿ
㟁ὶ࡛ࡢ㡰㟁ᅽ࡟ࡼࡗ࡚ホ౯ࡋࡲࡍࠋ᭱㧗ࡢຠ
⋡ࢆ㐩ᡂࡍࡿࡓࡵ࡟ࠊ㡰㟁ᅽࢆ࡛ࡁࡿ㝈ࡾపࡃ
ࡍࡿᚲせࡀ࠶ࡾࡲࡍࠋ
ࢻࣛ࢖ࣂ࣮ࡀ1 MHz࡛ືసࡋ࡚࠸ࡿࡓࡵࠊᛂ⟅᫬
㛫ࡶ㔜せ࡜࡞ࡾࡲࡍࠋCentral Semiconductor♫ࡢ
ࢩࣙࢵࢺ࣭࢟ࢲ࢖࣮࢜ࢻCMDSH2-3 (200 mA) ࡲ
ࡓࡣCMDSH-3 (100 mA) ࡣ኱㒊ศࡢ࢔ࣉࣜࢣ࣮
ࢩ࡛ࣙࣥ᥎ዡࡉࢀ࡚࠸ࡲࡍࠋ
ࢥࣥࢹࣥࢧ
W-6137࡛ࡣධຊഃ࡟1 ȝFࠊฟຊഃ࡟0.22 ȝFࡢ
ᑠᙧࢭ࣑ࣛࢵࢡࢥࣥࢹࣥࢧࡢࡳࢆᚲせ࡜ࡋࡲࡍࠋ
ฟຊࢥࣥࢹࣥࢧࡢᐃ᱁ࡣ30 Vࠊࡲࡓࡣࡑࢀ௨ୖ
࡜ࡍࡿᚲせࡀ࠶ࡾࡲࡍࠋ㏻ᖖ≧ែ࡛ࡣࠊ1 ȝFࡢ
ධຊࢥࣥࢹࣥࢧ࡛༑ศ࡛ࡍࠋ㧗ฟຊ㟁ຊࡢ࢔ࣉ
ࣜࢣ࣮ࢩࣙࣥ࡟ࡣࠊ2.2 ȝFࡲࡓࡣ4.7 ȝFࡢ኱ࡁ࡞
ධຊࢥࣥࢹࣥࢧࢆ᥎ዡࡋࡲࡍࠋX5RࡲࡓࡣX7R
≉ᛶࡢࢥࣥࢹࣥࢧࢱ࢖ࣉࡀ ᗘ⠊ᅖ࡟࠾ࡅࡿᏳ
ᐃᛶࡢ㠃࠿ࡽ⌮᝿ⓗ࡛ࡍࠋ
LED㟁ὶタᐃ
LED㟁ὶࡣࠊࣇ࢕࣮ࢻࣂࢵࢡ (FB) ࡜ࢢࣛࣥࢻ
㛫ࡢእ௜ࡅࡢ᢬ᢠR1࡛タᐃࡋࡲࡍࠋ᢬ᢠ࡜㟁ὶ
ࡢ㛵ಀࡣࠊ௨ୗࡢᘧ࡜࡞ࡾࡲࡍࠋ
࢖ࣥࢲࢡࢱ
22 ȝHࡢ࢖ࣥࢲࢡࢱࡀࠊ኱㒊ศࡢW-6137࢔ࣉࣜ
ࢣ࣮ࢩࣙࣥ࡟᥎ዡࡉࢀ࡚࠸ࡲࡍࠋຠ⋡ࡀ㔜せ࡞
ሙྜࡣࠊప࠸┤ิ᢬ᢠࡢ࢖ࣥࢲࢡࢱࢆ㑅ࡪࡇ࡜
ࢆ⸀ࡵࡲࡍࠋ࠸ࢁ࠸ࢁ࡞࣓࣮࢝ࡢ࠸ࡃࡘ࠿ࡢ࢖
ࣥࢲࢡࢱࢆ౑⏝ࡍࡿࡇ࡜ࡀ࡛ࡁࡲࡍࠋᅗ24ࡣ␗
࡞ࡿ࢖ࣥࢲࢡࢱࡢࢱ࢖ࣉࡀ㈇Ⲵ⠊ᅖ࡟ࢃࡓࡗ࡚
࡝ࡢࡼ࠺࡞ᙳ㡪ࢆཬࡰࡍ࠿ࢆ♧ࡋ࡚࠸ࡲࡍࠋ
⾲5. ᢬ᢠR1࡜LED㟁ὶ
ᅗ24. ࢖ࣥࢲࢡࢱࡢຠ⋡
10
W-6137
ᶆ‽ⓗ࡞࢔ࣉࣜࢣ࣮ࢩࣙࣥ
᭱㧗ࡢᛶ⬟࡜ࡍࡿࡓࡵ࡟ࠊ33 ȝHࡢ࢖ࣥࢲࢡࢱ
࡜1ȝFࡢฟຊࢥࣥࢹࣥࢧࢆ2ࡘࡢLED࢔ࣉࣜࢣ࣮
ࢩࣙࣥ࡟᥎ዡࡋࡲࡍࠋ
2ࡘࡢLEDࡢᵓᡂ࡟࠾࠸࡚ࡣࠊW-6137ࡣ2ࡘࡢ
AA࢔ࣝ࢝ࣜ㟁ụࡸLi-ionࣂࢵࢸ࣮ࣜ࠿ࡽ㟁ຊࢆ
౪⤥࡛ࡁࡲࡍࠋ
ᅗ25. W-6137࡛2 ಶࡢLEDࢆ㥑ື
ᅗ26. ຠ⋡࡜LED㟁ὶࠊ2ಶࡢLED
11
W-6137
㍤ᗘㄪᩚ
LEDࡢ㍤ᗘࢆไᚚࡍࡿࡓࡵࡢ࠸ࡃࡘ࠿ࡢ᪉ἲ
ࡀ࠶ࡾࡲࡍࠋ
ࣇ࢕ࣝࢱࢆ࠿ࡅࡽࢀࡓPWMಙྕ
ࣇ࢕ࣝࢱࢆ࠿ࡅࡽࢀࡓPWMಙྕࡣࠊLED㟁ὶ
ࡢไᚚ࡟ྍኚࡢDC㟁※࡜ࡋ࡚฼⏝ࡍࡿࡇ࡜ࡀ࡛
ࡁࡲࡍࠋᅗ29ࡣࠊW-6137ࡢFBࣆࣥ࡬ࡢPWMไᚚ
ᅇ㊰ࡢ᥋⥆ࢆ♧ࡋࡲࡍࠋPWMಙྕࡣࠊ0 V࠿ࡽ2.5
Vࡲ࡛ኚ໬ࡋࡲࡍࠋLED㟁ὶࡣࠊ0 mA࠿ࡽ22 mA
ࡢ⠊ᅖෆ࡛ㄪᩚࡀ࡛ࡁࡲࡍࠋPWMಙྕࡢ࿘Ἴᩘ
ࡣࠊ㉸ప࿘Ἴ࠿ࡽ100 kHzࡲ࡛ྍኚࡍࡿࡇ࡜ࡀ࡛
ࡁࡲࡍࠋ
ʊʊʊʊʊʊ
SHDNࣆࣥ࡬ࡢPWMಙྕ
ʊʊʊʊʊʊ
LEDࡢ㍤ᗘㄪ⠇ࡣࠊSHDN ධຊ࡬PWMಙྕࢆ
ຍ࠼ࡿࡇ࡜࡛ྍ⬟࡛ࡍࠋLED㟁ὶࡣ࢜ࣥ࠿࢜ࣇ
ࡀ⧞ࡾ㏉ࡉࢀࡿࡇ࡜࠿ࡽࠊᖹᆒ㟁ὶࡣࢹ࣮ࣗࢸ
࢕ࢧ࢖ࢡࣝ࡟ẚ౛ࡋࡲࡍࠋ100 %ࢹ࣮ࣗࢸ࢕ࢧ࢖
ʊʊʊʊʊʊ
ࢡ࡛ࣝࠊSHDN ࡀᖖ࡟Hࡢ࡜ࡁ࡟ࠊLEDࡢ௦⾲ⓗ
࡞㟁ὶ࡜୍⮴ࡋࡲࡍࠋᅗ27࡜ᅗ28ࡣࠊ50 %ࢹࣗ
ʊʊʊʊʊʊ
࣮ࢸ࢕ࢧ࢖ࢡࣝࡢ1 kHz࡜5 kHzಙྕࢆSHDN ࣆ
ࣥ࡬ຍ࠼ࡓ࡜ࡁࡢἼᙧࢆ♧ࡋ࡚࠸ࡲࡍࠋPWM࿘
Ἴᩘ⠊ᅖࡣࠊ100 Hz࠿ࡽ10 kHz࡛ࡍࠋ᥎ዡࡍࡿ
PWM࿘Ἴᩘ⠊ᅖࡣࠊ100 Hz࠿ࡽ4 kHz࡛ࡍࠋ
ʊʊʊʊʊʊ
SHDN࡛ࡢPWMಙྕࡢࢫ࢖ࢵࢳࣥࢢἼᙧ
ᅗ29. ࣇ࢕ࣝࢱࢆ࠿ࡅࡽࢀࡓPWMಙྕᅇ㊰
┤ὶ㟁ᅽࡀ0 Vࡲࡓࡣࠊ0 %ࡢࢹ࣮ࣗࢸ࢕ࢧ࢖ࢡ
ࣝࡢPWMಙྕ࡛ࡣࠊ⣙22 mAࡢ᭱኱LED㟁ὶ࡜࡞
ࡾࡲࡍࠋ100 %ࡢࢹ࣮ࣗࢸ࢕ࢧ࢖ࢡࣝࡢPWMಙྕ
࡛ࡣࠊ0 mAࡢLED㟁ὶ࡜࡞ࡾࡲࡍࠋ
ᅗ27. 1 kHz PWMಙྕ
ᅗ30. LED㟁ὶ࡜ࢹ࣮ࣗࢸ࢕ࢧ࢖ࢡࣝ
ᅗ28. 4 kHz PWMಙྕ
12
W-6137
LED࣮࢜ࣉࣥಖㆤ
LEDࡀ࣮࢜ࣉࣥ࡜࡞ࡿࡼ࠺࡞␗ᖖࡢሙྜࠊ
W-6137ࡣฟຊ㟁ᅽࡀ࠾ࡼࡑ24 V࡟㐩ࡍࡿࡲ࡛ฟ
ຊ㟁ᅽࢆ᪼ᅽࡋ⥆ࡅࡲࡍࠋ୍᪦ࠊฟຊࡀࡇࡢࣞ
࣋ࣝࢆୖᅇࡿ࡜ࠊෆⶶᅇ㊰ࡣࡍࡄ࡟඲ධຊ㟁ຊ
ࡀ10 mW௨ୗࡢ㠀ᖖ࡟ప࠸㟁ຊ࣮ࣔࢻ࡟ධࡾࡲ
ࡍࠋ
ప㟁ຊ࣮ࣔࢻ࡛ࡣࠊධຊ౪⤥㟁ὶࡣ⣙2 mA࡟
పୗࡋࡲࡍࠋෆⶶࢡࣛࣥࣉᅇ㊰ࡣࠊฟຊ㟁ᅽࢆ⣙
29 V࡟ไ㝈ࡋࡲࡍࠋࡇࡢືస࣮ࣔࢻࡣእ௜ࡅࡢࢶ
࢙ࢼ࣮ࢲ࢖࣮࢜ࢻࢆᚲせ࡜ࡋࡲࡏࢇࠋࡇࡢಖㆤᵓ
ᡂࡣࠊእ㒊ࢩࣙࢵࢺ࣭࢟ࢲ࢖࣮࢜ࢻࡢ࡝ࢇ࡞ᨾ㞀
࠿ࡽࡶࢹࣂ࢖ࢫࢆ᏶඲࡟ಖㆤࡋࡲࡍ (ᅇ㊰ࡀ࢜
࣮ࣉࣥ࡜࡞ࡗࡓሙྜ)ࠋ
ᅗ31. LED࣮࢜ࣉࣥಖㆤ
ᅗ32. LED࣮࢜ࣉࣥ᫬ࡢ㟁※㉳ືἼᙧ
ᅗ33. LED࣮࢜ࣉࣥ᫬ࡢ౪⤥㟁ὶ࡜VIN
13
W-6137
ᇶᯈࡢࣞ࢖࢔࢘ࢺ
W-6137ࡣ㧗࿘Ἴࢫ࢖ࢵࢳࣥࢢࣞࢠ࣮ࣗࣞࢱ࡛
ࡍࠋ㧗࿘Ἴࢫ࢖ࢵࢳࣥࢢ㟁ὶࢆఏ㏦ࡍࡿࣃࢱ࣮
ࣥࡣࠊ඲యࡢEMIࠊࣜࢵࣉࣝࠊࣀ࢖ࢬࢆ᭱ᑠ࡟
ࡍࡿࡓࡵ࡟ᇶᯈୖࡢࣞ࢖࢔࢘ࢺࢆៅ㔜࡟ࡋ࡞ࡅ
ࢀࡤ࡞ࡾࡲࡏࢇࠋᅗ34࡟♧ࡋ࡚࠶ࡿኴ⥺ࡣࠊࢫ
࢖ࢵࢳࣥࢢ㟁ὶࡢ⤒㊰ࢆ♧ࡋ࡚࠸ࡲࡍࠋ඲࡚ࡢ
ࡇࢀࡽࡢࣃࢱ࣮ࣥࡣࠊᐤ⏕ⓗ࡞࢖ࣥࢲࢡࢱࣥࢫ
ࡸ᢬ᢠࢆ᭱ᑠ࡟ࡍࡿࡓࡵ࡟ࠊ▷ࡃࠊ༑ศᗈࡃࡋ
࡞ࡅࢀࡤ࡞ࡾࡲࡏࢇࠋᅗ34ୖ࡛♧ࡉࢀࡿ࣮ࣝࣉ
ࡣW-6137ࡢෆ㒊ࢫ࢖ࢵࢳࡀ㛢ࡢ᫬ࡢ㟁ὶ⤒㊰࡜
୍⮴ࡋࡲࡍࠋW-6137ࡢࢫ࢖ࢵࢳࡀ㛤ࡢ᫬ࡣࠊᅗ
35ࡢ㟁ὶ࣮ࣝࣉ࡜࡞ࡾࡲࡍࠋ୧᪉ࡢ࣮ࣝࣉ㡿ᇦ
ࡣࠊ࡛ࡁࡿ㝈ࡾᑠࡉࡃࡋ࡞ࡅࢀࡤ࡞ࡾࡲࡏࢇࠋ
ࢥࣥࢹࣥࢧC1ࡣࠊ࡛ࡁࡿ㝈ࡾVINࣆࣥ࡜GND
ࡢ㏆ࡃ࡟⨨࠸࡚ࡃࡔࡉ࠸ࠋࢥࣥࢹࣥࢧC2ࡣࠊ୍
␒ୖࡢLEDࡢ࢔ࣀ࣮ࢻ➃Ꮚ࠿ࡽ㞳ࡋ࡚᥋⥆ࡋ࡚
ࡃࡔࡉ࠸ࠋW-6137ࡢୗࡢࢢࣛࣥࢻ㠃ࡣࠊࢢࣛࣥ
ࢻ࡬ࡢࢥࣥࢹࣥࢧࡢ┤᥋ࠊ᥋⥆ࢆྍ⬟࡜ࡋࡲࡍࠋ
᢬ᢠR1ࡣࠊW-6137ࡢGNDࣆࣥ࡜┤᥋ࠊ᥋⥆ࡋ࡞
ࡅࢀࡤ࡞ࡽࡎࠊࢫ࢖ࢵࢳࣥࢢ㟁ὶࡢ࣮ࣝࣉࡸ௚ࡢ
ᵓᡂ㒊ရ࡜ඹ᭷ࡋ࡞࠸࡛ࡃࡔࡉ࠸ࠋ
ᅗ34. 㛢ࢫ࢖ࢵࢳ㟁ὶ࣮ࣝࣉ
ᅗ35. 㛤ࢫ࢖ࢵࢳ㟁ὶ࣮ࣝࣉ
14
W-6137
ࣃࢵࢣ࣮ࢪᑍἲ
TSOT-23, 5LEAD
ὀグ㸸
(1) ࡍ࡭࡚ࡢᑍἲࡣࠊmm ࡛⾲ࡋࡲࡍࠋゅᗘࡣᗘ࡛♧ࡋࡲࡍࠋ
(2) JEDEC MO-193 ࡟‽ᣐࠋ
15
W-6137
࣮࢜ࢲ࣮࢖ࣥࣇ࢛࣓࣮ࢩࣙࣥ (ὀグ 5)
ᆺᘧ W
〇ရ␒ྕ
-
〇ရ␒ྕ
ࣃࢵࢣ࣮ࢪ TD: TSOT-23
6137
ࢧࣇ࢕ࢵࢡࢫ
TD
-
G
T3
ࢸ࣮ࣉ&࣮ࣜࣝ
T: ࢸ࣮ࣉ&࣮ࣜࣝ
3: 3,000/࣮ࣜࣝ
࣮ࣜࢻ࣓ࢵ࢟
G: NiPdAu
3. ඲࡚ࡢࣃࢵࢣ࣮ࢪࡣRoHSᑐᛂရ࡛ࡍࠋ(㖄ࣇ࣮ࣜࠊࣁࣟࢤࣥࣇ࣮ࣜ)
4. ᶆ‽ࡢ࣮ࣜࢻ࣓ࢵ࢟ࡣ NiPdAu ࡛ࡍࠋ
5. W-6137TD–GT3 (TSOT-23ࠊNiPdAuࠊࢸ࣮ࣉ&࣮ࣜࣝࠊ3,000/࣮ࣜࣝ) ࢆ౛࡜ࡋ࡚⾲ࡋ࡚࠸ࡲࡍࠋ
ὀព஦㡯
ᮏ〇ရࡢグ㍕ෆᐜࡣண࿌࡞ࡃኚ᭦ࡍࡿࡇ࡜ࡀ࠶ࡾࡲࡍࠋ
ᘢ♫ࡣࠊ≉ᐃ┠ⓗࡢࡓࡵࡢ〇ရࡢ㐺ྜᛶࡢಖドࡣ⮴ࡋࡲࡏࢇࠋࡲࡓࠊ〇ရࡸᅇ㊰ࡢ౑⏝࠿ࡽ⏕ࡌࡿ࠸࠿࡞ࡿᦆᐖࡶ
㈇ࢃ࡞࠸ࡶࡢ࡜ࡋࠊ࠾ᐈᵝࡢ≉ูᦆᐖࠊ㛫᥋ᦆᐖࠊ௜㝶ⓗᦆᐖࢆྵࡴᦆᐖࢆᨺᲠࡋࠊᘢ♫ࡣࡇࢀࡽࡢ㈐௵ࡶ㈇ࢃ࡞
࠸ࡶࡢ࡜ࡋࡲࡍࠋ
ᘢ♫ࡢࢹ࣮ࢱࢩ࣮ࢺ࡜௙ᵝ᭩࡟グ㍕ࡢᶆ‽ⓗ࡞ࣃ࣓࣮ࣛࢱࡣᵝࠎ࡞⏝㏵࡛ኚ໬ࡍࡿࡇ࡜ࡸࠊᐇ㝿ࡢᛶ⬟ࡣ᫬㛫ࡢ⤒
㐣࡜࡜ࡶ࡟ኚ໬ࡍࡿྍ⬟ᛶࡀ࠶ࡾࡲࡍࠋࠕTyp.್ࠖࢆྵࡴࡍ࡭࡚ࡢືసࣃ࣓࣮ࣛࢱࡣ࠾ᐈᵝࡢ࢔ࣉࣜࢣ࣮ࢩ࡛ࣙࣥ
༑ศ࡞᳨ドࢆ࠾㢪࠸ࡋࡲࡍࠋ
ᘢ♫ࡣࠊᮏ㈨ᩱ࡟㛵ࡍࡿ≉チ࡟ᇶ࡙ࡃࣛ࢖ࢭࣥࢫࡸࡑࡢ௚ࡢᶒ฼ࢆ௜୚ࡋࡲࡏࢇࠋ
ᘢ♫〇ရࡣࠊయෆ࡟እ⛉ⓗ࡟ᇙࡵ㎸ࡴࡇ࡜ࢆពᅗࡋࡓࢩࢫࢸ࣒࡟౑⏝ࡉࢀࡿ㒊ရࡸࠊ⏕࿨ࡢ⥔ᣢࡸᨭ᥼ࢆពᅗࡋࡓ
௚ࡢ࢔ࣉࣜࢣ࣮ࢩࣙࣥࡸࠊᘢ♫〇ရࡢᨾ㞀ࡀ㌟యࡢയᐖࡸṚஸࡢ≧ἣࢆᘬࡁ㉳ࡇࡍ࠿ࡶ▱ࢀ࡞࠸ࡑࡢ௚ࡢ࢔ࣉࣜࢣ
࣮ࢩࣙࣥࡢࡓࡵࡢ౑⏝ࡢㄆྍࡸࠊពᅗࠊタィࡣࡉࢀ࡚࠾ࡾࡲࡏࢇࠋ
࠾ᐈᵝࡣࠊᘢ♫ࡀពᅗࡋ࡞࠸୙ṇ࡞౑⏝࡟ࡼࡾࠊ┤᥋ࠊ㛫᥋ⓗ࡟⏕ࡌࡓಶேࡢ㌟యയᐖࠊṚஸ࠿ࡽ⏕ࡌࡿዴఱ࡞ࡿ
ㄳồࠊࢥࢫࢺࠊᦆᐖࡸᨭฟ㸦㈝⏝㸧
ࠊྜ⌮ⓗ࡞ᘚㆤኈ㈝⏝࠿ࡽᘢ♫ࡢᙺဨࠊᚑᴗဨࠊᏊ఍♫ࠊ㛵㐃఍♫ࡸ㈍኎ᗑࢆච
㈐ࡉࡏ⿵ൾࡋ࡞ࡅࢀࡤ࡞ࡾࡲࡏࢇࠋࡇࢀࡽࡀࠊᘢ♫〇ရ㸦㒊ရ㸧ࡢタィୖࠊ〇㐀ୖࡢ㐣ኻ࠿ࡽ⏕ࡌࡓㄳồࠊࢥࢫࢺࠊ
➼࡛࠶ࡗ࡚ࡶྠᵝ࡜ࡋࡲࡍࠋ
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