MTD2003 datasheet(2/2 Pages) SHINDENGEN

Nome de Peças	MTD2003

Descrição Electrónicos	Stepping Motor Driver ICs

PDF	2 Pages

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Fabricante Electrônico	SHINDENGEN [Shindengen Electric Mfg.Co.Ltd]

Página de início	http://www.shindengen.co.jp/

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MTD2003

Stepping Motor Driver ICs

●

Equivalent Circuit・Basic Application Circuit

●

Pin Assignment

●

Setting of Output Current and Chopping Frequency

Fig.1 shows constant current chopping wave form.

○

Output Current setting

○

Chopping Frequency Setting

Fig.1 Constant current wave form (Motor current / phase)

Io(100%) =

0.015

10・Rs

f =

0.72・Ct・Rt

●True Table

IN 1 or 4

IN 2 or 3

Out 1 or 4

Out 2 or 3

OFF

●Recommended Parts Value

Symbol

Recommended Value

Unit

0.68

18kΩ

3300

Vcc

●Recommended Operating Conditions （Ta=25℃）

Item

Symbol

min.

typ.

max.

Unit

Motor Supply Voltage

Vmm

Output Current

Logic Supply Voltage

Vcc

4.75

5.25

Chopping Frequency

fchop

kHz

Operating Temperature

Top

-25

120

℃

●True Table for Current Chopping Level

Vref（V）

（Vr=5V）

100

0.5±5％

0.35±8％

0.17±10％

Current Level（％）

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