LB8684CL Datasheet, PDF (3/5 Pages) Sanyo Semicon Device – Monolithic Digital IC Digital Camera Motor Driver for Cell Phones

Pin Assignment
CHSEL
1
12
11
ENA
2
IN
3
LB8684CL
NC
4
5
6
LB8684CL
10
RSE
9
RFG
8
OUT2
7
OUT3
500
450
400
300
200
100
0
– 30
Pd max – Ta
Specified circuit board : 20.0×10.0×0.8mm³
paper-phenol board
234
0
30
60
Ambient temperature, Ta – °C
85 90
Top View
Block Diagram
VCC
1μF
ENA
CHSEL
CPU
IN
0.2V
Reference
voltage
+
-
Constant current
control amplifier
Logic
block
Shutter
Iris
OUT1
OUT2 OUT3
Thermal protection
circuit
GND
FC
0.001μF to 0.1μF
RSE
RFG
RF
[Constant current formula] IOUT = 0.2 ÷ RF Example : If IO is 100mA, RF will be 2Ω.
Usage Notes : The set current is determined, as described by the above equation, by the resistor RF inserted between the
RFG pin and ground.
Truth Table
ENA
Low
High
Input
CHSEL
×
Low
High
IN
×
Low
High
Low
High
Note: "−" indicates the output off state. (high-impedance)
OUT1
−
High
Low
−
−
Output
OUT2
−
Low
High
Low
High
OUT3
−
−
−
High
Low
Notes
Shutter
Aperture
Standby
Forward
Reverse
Forward
Reverse
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