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LB1941T 数据表(PDF) 3 Page - Sanyo Semicon Device

部件名 LB1941T
功能描述  For Digital Cameras Constant Current Forward/Reverse Driver IC
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制造商  SANYO [Sanyo Semicon Device]
网页  https://www.sanyo-av.com/us/
标志 SANYO - Sanyo Semicon Device

LB1941T 数据表(HTML) 3 Page - Sanyo Semicon Device

  LB1941T Datasheet HTML 1Page - Sanyo Semicon Device LB1941T Datasheet HTML 2Page - Sanyo Semicon Device LB1941T Datasheet HTML 3Page - Sanyo Semicon Device LB1941T Datasheet HTML 4Page - Sanyo Semicon Device  
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LB1941T
No.7193-3/4
Pin Assignment
Block Diagram
Boost charge and discharge circuits
In order to keep the output response time constant during mode transfer from the standby state to forward (reverse)
rotation, this IC incorporates boost charge and discharge circuits for external capacitor connected to the FC pin.
The external capacitor connected to the FC pin is for output phase compensation (to suppress oscillation), for which
0.01 to 0.1µF is recommended. Note that increase in the capacitor value results in increase in the time necessary for
the constant current control to rise.
VCC
OUT1
OUT2
0.2V
IN2
GND
FC
RFG
RL
RF
IN1
ILB01540
+
--
C
P
U
Thermal protection circuit
Boost charge
circuit
Boost
discharge
circuit
Constant
current control
amplifier
IN1
IN2
FC
GND
8
VCC
7
OUT1
6
OUT2
5
RFG
1
2
3
4
Top view
LB1941T


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