CA3165 Datasheet, PDF (2/6 Pages) Intersil Corporation – Electronic Switching Circuit

CA3165
Functional Block Diagrams
DC SUPPLY 5V - 24V
0.01µF
FEEDBACK
RESISTOR
(6kΩ ± 0.5%)
13
OSCILLATOR
1
2
DET
10
220Ω
3.5V - 18V
12
SCHMITT
TRIGGER
200Ω
TO POWER
TRANSISTORS
NC
847Ω
54
OUTPUT
SWITCHING
OUTPUT
AMP ⁸
OUTPUT
67
9
220Ω
3
0.01
0.01µF
6.8KΩ
L = 100µH
Q ≈ 53
R
1500
pF
REPRESENTS
ROTOR LOADING
100K
0.0047µF
OSCILLATOR
CONDITION
Unloaded
Loaded
TERMINAL 10
Low
High
TERMINAL 4
High
Low
TERMINAL 5
High
Low
TERMINAL 6
Low
High
TERMINAL 7
Low
High
FIGURE 1. FUNCTIONAL BLOCK DIAGRAM FOR CA3165E1
TERMINAL 8
Low
High
0.1µF
FEEDBACK
RESISTOR
(6.49kΩ)
8
OSCILLATOR
1
2
220Ω
DET
6
DC SUPPLY 5V - 24V
220Ω
3.5V - 18V
7
200Ω
TO POWER
TRANSISTORS
4
300Ω
SCHMITT
TRIGGER
OUTPUT
SWITCHING
5
INVERTED
OUTPUT
3
0.01
L = 100µH
Q ≈ 53
R_A†
R_B†
1500
pF
REPRESENTS
ROTOR LOADING
†VALUES OF R_A AND R_B DETERMINED
BY CORRELATION.
OSCILLATOR
CONDITION
TERMINAL 4
TERMINAL 5
Unloaded
Loaded
High
Low
High
Low
TERMINAL 6
Low
High
FIGURE 2. FUNCTIONAL BLOCK DIAGRAM FOR CA3165E
10-26