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LB1947VC 데이터시트(PDF) 5 Page - Sanyo Semicon Device

부품명 LB1947VC
상세설명  Monolithic Digital IC PWM Current Control Type Forward/Reverse Motor Driver
PDF  11 Pages
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제조업체  SANYO [Sanyo Semicon Device]
홈페이지  https://www.sanyo-av.com/us/
Logo SANYO - Sanyo Semicon Device

LB1947VC 데이터시트(HTML) 5 Page - Sanyo Semicon Device

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LB1947VC
No.A2035-5/11
Pin Function
Pin No.
Pin name
Function
Equivalent circuit
1
3
OUTA
OUTA
Output pin.
2
E
Sense voltage control pin.
4
VI
High: sense voltage is 2/5 of VREF
Low: sense voltage is 1/5 of VREF
4
50k
Ω
40k
Ω
VCC
100
μA
VI
6
ST
High: circuit operation ON
Low: standby mode
9
IN1
High: rotation mode
Low: brake mode
10
IN2
High: reverse mode
Low: forward mode
7
VBB
Motor power supply voltage.
8
VCC
Logic power supply voltage.
12
VREF
Output current setting reference pin.
Setting range: 0 to (VCC−2V)
12
VCC
VREF
3s
1s
13
CR
Oscillator with self-excitation.
14
MD
Current attenuation switching pin.
Low : FAST DECAY
High: SLOW DECAY
M : MIX DECAY
M is set by external power supply voltage.
Range : 1.1 to 4.0V
15
GND
Ground pin
5, 11
NC
No connect



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