參數(shù)資料
型號： LB1978V
廠商： Sanyo Electric Co.,Ltd.
元件分類： 基準電壓源/電流源
英文描述： Three-Phase Half-Wave Sensorless Motor Driver for Headphone Stereos
中文描述： 三相半波傳感器電機驅(qū)動器的耳機音響
文件頁數(shù)： 5/9頁
文件大?。?/td> 78K
代理商： LB1978V
LB1978V
No. 6186-5/9
Pin number
1
2
3
4
5
Pin Description
Pin name
FC
OSC
COM
IRF
CI
Equivalent circuit
Pin function
Oscillator and ripple suppression pin.
The higher the capacitance connected to
FG, the more effectively will ripple
components be suppressed.
Startup pulse cycle and drive switching
cycle setting pin.
Increased capacitance will result in higher
startup pulse cycle and drive switching
cycle.
Startup waveform detector offset setting
pin.
R
COM
= 1 k
results in approx. 25 mV
offset at startup
Oscillator circuit and F-V servo circuit
internal current setting pin.
Speed adjustment pin using CR
oscillation based on FG pulse edge
detection.
Continued on next page
Vcc
PGND
1
Vcc
SGND
2
Vcc
PGND
3
10k
120
μ
A
Vcc
SGND
4
25
μ
A
Vcc
SGND
5
相關(guān)PDF資料
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