LT4761 Datasheet PDF - Huaaoe


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LT4761
Huaaoe

Part Number LT4761
Description Automotive Flashers Controller
Page 4 Pages

LT4761 datasheet pdf
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date:201005
Huaaoe
S em ic o ndu c tor
QJ/DHA01.02-1997
Automotive Flashers Controller LT4761
LT4761
LT4761 ୺кౚڛ୶ᅥဈނюԨা
ϔǃὖ䗄
ǂǂ LT4761 ᰃЎ≑䔺䕀৥ঞ᡹䄺ֵো䮾ܝ఼䆒䅵ⱘϧ⫼䲚៤⬉䏃DŽ㢹䘛ࠡৢӏϔ䕀৥ᣛ
⼎♃থ⫳ᬙ䱰ᯊˈ䮾ܝ乥⥛ゟࠏ㞾ࡼᦤ催ϔסˈ৥ৌᴎ᡹䄺DŽ
ѠǃᎹ԰ॳ⧚
ǂǂ䆹⬉䏃⬅໪᥹ RC ᤃ㤵ֵোⳈ᥹㗺ড়䕧ܹϝ㾦⊶ˈ㒣ফ᥻ᤃ㤵ǃ⬉⌕ᬒ໻ˈ䕧ߎ݋᳝
ᔎ偅ࡼⱘᮍ㛝ކˈᔧপḋⲥ᥻ࠄ䋳䕑ޣᇣϔञᯊˈⳌᑨⱘ↨䕗఼ࡼ԰ˈᓩ䍋ᤃ㤵乥⥛๲໻
ϔסⱘব࣪DŽᔧ⬉⑤⬉य़ѻ⫳ⶀᗕ㛝ކ˄f 100V˅ᯊˈֱᡸ⬉䏃㞾ࡼᇐ䗮ߚ⌕៪ㅱԡ 䰤
ᐙ䖒ࠄֱᡸⱘⳂⱘDŽ䆹⬉䏃䕧ߎֵোৃᦤկ 120 ˉ 200mA ⱘ偅ࡼ⬉⌕DŽ
ϝǃ⡍⚍
䴭ᗕᎹ԰⬉⌕ 5mA˗Ꮉ԰⬉य़ᆑˈ᳔催ৃҹ䇗ࠄ 33VDŽ
ಯǃᓩߎ㛮ঞ݊ࡳ㛑˖ǂ
ǂǂ LT4761 ᳝ᷛޚ DIP8( Ⳉᦦᓣ ) SO8( 䌈⠛ᓣ ) ϸ⾡ᇕ㺙կԴ䗝ᢽˈᓩ㒓ᥦ߫ঞࡳ㛑
བ೒᠔⼎DŽ
ᓩ㛮ҟ㒡 Pin Description
ᓩ㛮 ヺো
pin symbol
ࡳ㛑
fuaction
1 GND
IC ground
2 Vs ⬉⑤⬉य़
Supply voltage
3 OUT 㒻⬉఼᥻ࠊ䕧ߎ Relay control output
4 OSC ᤃ㤵఼
Oscillator
5 OSC ᤃ㤵఼
Oscillator
6 Vs ⬉⑤⬉य़
Supply voltage
7 LD ♃ᬙ䱰Ẕ⌟
Lamp failure detection
8 SI ਃࡼ䕧ܹ
Start input
GND
SI
Vs LD
OUT
Vs
OSC
OSC
ᓩ㛮೒ Figure pinning
DIP8
SO8
Ѝϰढ༹⬉ᄤ᳝䰤݀ৌ
㔥 ഔ http://www.huaaoe.com ⬉ 䚂 E-mail ˖ 6179223@vip.163.com
Automobile Semiconductor
1997
⬉ 䆱 Tel ˖ 86-0415-6161121
1(4)
ˋ
Free Datasheet http://www.Datasheet4U.com



No Preview Available !

date:201005
Huaaoe
S em ic o ndu c tor
QJ/DHA01.02-1997
Automotive Flashers Controller LT4761
LT4761
ಯ ǃ খ ᭄ 㾘 㣗 ؐ Parameter Standard
Value Parameters
⌟䆩ᴵӊ
Test condition
⬉∴Ꮉ԰⬉य़
Battery work voltage
⬉⑤⬉⌕ Supply current
Ꮉ԰⬉य़ R ˙ L*/L*
Work voltage R ˙ L*
Ꮉ ԰ ⬉ य़ Rj ˙ 100ȍ
Work voltage
ǂ ᓩ㒓 4=Vcc
䕧ߎ⬉⌕ Output current
ᓩ㒓 7=GND
Ꮉ ԰ ⬉ य़ Rj ˙ 100ȍ
Work voltage
ᓩ㒓 4=GND
ᓩ㒓 7=Vcc
䮾ܝ乥⥛
Gleam frequency
Ꮉ ԰ ⬉ य़ R1=120K
Work voltage C1=3.3µ
R=2L*
Ꮉ ԰ ⬉ य़ R1=120K
Work voltage C1=3.3µ
R=1L*
পḋ⬉䰏
Take a sample resistance
ℷᐌᎹ԰ Normal work
ヺো ᳔ᇣؐ ݌ൟؐ ᳔໻ؐ ऩԡ
Symbol min typ max Unit
VB 9.5 13 18 V
Icc
150
30
200
80
mA
IOH 120 200 mA
IOL 10 100 µA
/ߚ
70 80 90
T/M
/ߚ
140 160 180
T/M
Rs 0.015 0.017 0.02 ȍ
⊼˖1ǃL* ♃⊵㾘ḐЎ 12V/21W 2ǃRj Ў㒻⬉఼㒓೜⬉䰏 100ȍ 3ǃᎹ԰⬉य़প 13V
Ѝϰढ༹⬉ᄤ᳝䰤݀ৌ
㔥 ഔ http://www.huaaoe.com ⬉ 䚂 E-mail ˖ 6179223@vip.163.com
Automobile Semiconductor
1997
⬉ 䆱 Tel ˖ 86-0415-6161121
2(4)
ˋ
Free Datasheet http://www.Datasheet4U.com



No Preview Available !

date:201005
Huaaoe
S em ic o ndu c tor
QJ/DHA01.02-1997
Automotive Flashers Controller LT4761
LT4761
Ѩǃ݌ൟᑨ⫼೒ Typical Utility Graph
1ǃ12V 䮾ܝ఼ ǂǂǂǂǂǂǂ
ǂ R1 ˙ 91K ˉ 120K R2 ˙ 3.0K R3 ˙ 330ȍ Rs* ˙ 0.017ȍ C1 ˙ 3.3µ/50V
ǂ RjǃKj Ў㒻⬉఼ˈ 㒓೜⬉䰏 Rj ˉ 100ȍ
L* Ў 12v /21w ♃⊵
໪᥹⬉䏃⿡ࡴᬍࡼৃϢ๗໪ൟোⱘ U243B U2043 ѦᤶՓ⫼DŽ
2ǃ24V 䮾ܝ఼
㄀ϔ⾡ᮍ⊩˖㒓䏃ॳ⧚೒ৠ 12V 䮾ܝ఼ˈ৘ܗ఼ӊؐབϟ˖ǂǂǂǂǂǂǂ
ǂ R1 ˙ 91K~120K R2 ˙ 3.0K R3 ˙ 2.5K Rs* ˙ 0.036~0.04ȍ C1 ˙ 3.3µ/50V
ǂ RjǃKj Ў㒻⬉఼ˈ 㒓೜⬉䰏 Rj300~360ȍ
ǂ L* Ў 24v /21w ♃⊵
㄀Ѡ⾡ᮍ⊩˖ৃ೼ 1-3 㛮Ёࡴ〇य़㒓䏃ঞϝᵕㅵ᥼ࡼ㒻⬉఼гৃ䖤⫼Ѣ 24V 䮾ܝ఼ϞDŽ
݋ԧ㒓䏃ܗ఼ӊᕙᅮDŽ
12V / 24V 䮾ܝ఼⬉䏃೒
ǂǂ⊼˖Rs* ؐ㽕ᕜད䇗ᭈˈᅗϡҙӮᕅડ⬉य़Փ⫼㣗ೈˈгӮᕅડס䮾ࡳ㛑DŽRs* ⬅Ѣ⬉
䰏ؐᕜᇣˈ᠔ҹ㽕ḍ᥂ϡৠⱘ㒓䏃ᵓ䆒䅵䖯㸠䗖ᔧ䇗ᭈDŽ
ǂ R1/C1 Ь⿃އᅮњℷᐌՓ⫼ᯊⱘ䮾ܝ乥⥛ˈৃḍ᥂䮾ܝ乥⥛㽕∖䗖ᔧ䇗ᭈ R1/C1 ؐDŽ
ǂ
Ѝϰढ༹⬉ᄤ᳝䰤݀ৌ
㔥 ഔ http://www.huaaoe.com ⬉ 䚂 E-mail ˖ 6179223@vip.163.com
Automobile Semiconductor
1997
⬉ 䆱 Tel ˖ 86-0415-6161121
3(4)
ˋ
Free Datasheet http://www.Datasheet4U.com



No Preview Available !

date:201005
Huaaoe
S em ic o ndu c tor
QJ/DHA01.02-1997
Automotive Flashers Controller LT4761
݁ǃᇕ㺙㒧ᵘ Package Information
Package DIP8
Dimensions in mm
LT4761
Package SO8
Dimensions in mm
Ѝϰढ༹⬉ᄤ᳝䰤݀ৌ
㔥 ഔ http://www.huaaoe.com ⬉ 䚂 E-mail ˖ 6179223@vip.163.com
Automobile Semiconductor
1997
⬉ 䆱 Tel ˖ 86-0415-6161121
4(4)
ˋ
Free Datasheet http://www.Datasheet4U.com




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