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MTD2005_10 Datasheet, PDF (3/4 Pages) Shindengen Electric Mfg.Co.Ltd – Constant Current Control Function (Fixed Frequency PWM Control)
ŎŕŅijııĶ
عၮᧄᔕ↪࿁ऍዋ Typical Application
عផᅑ࿁ऍቯᢙዋ Recommended External Components Value
ܕภޓSymbol
Rs
ផᅑ୯ޓRecommendation
0.68
න૏ޓUnit
Ç¡
Rt
13
kǡ
Ct
4700
pF
R1+R2
҇ 10
kǡ
عផᅑേ૞᧦ઙዋ Recommended Operating Conditions
ޓ⋡ິParameter
ធวૡ᷷ᐲ
Junction Temperature
ࡠࠫ࠶ࠢชḮช࿶
Logic Supply Voltage
ࡕ࡯࠲ชḮช࿶
Load Supply Voltage
․ߦᜰቯߥ߈႐วߪTa=25͠ዋTa=25͠ unless otherwise specified
ܕภޓSymbol
ផᅑ୯ޓRecommendation න૏ޓUnit
Tj
-25 ጚ 120
Í 
VCC
4.75 ጚ 5.25
V
Vmm
5 ጚ 54
V
ع಴ജชᵹወ࠴࡚࠶ࡇࡦࠣ๟ᵄᢙߩܣቯዋ Setting of Output Current and Chopping Frequency
٤ ಴ജชᵹܣቯᑼዋ Output Current Setting
lchop  Vref ᎢAᎤ
Rs
٤ ࠴࡚࠶ࡇࡦࠣ๟ᵄᢙܣቯᑼዋ Chopping Frequency Setting
fchop  0.72×1Ct×Rt ᎢHzᎤ
Constant current waveform ፯Motor current፰
T=1/fchop
Ichop
ĴIJ ዄU170-1ዅ
www.shindengen.co.jp/product/semi/