FAN8024CD
10
6. Channel 3 schematic
The reference voltage(ref) is given externally through pin 27.
The input OP-amp output signal is amplified by (15K/10K) times and then fed to the power amplifier. The gain of power
amplifier is 4 so the total max gain of channel 3 is 6.
Users must check input command range to use max output voltage because the total gain is relatively smaller than other
channels.
Level shift
15k
10k
ref
power amp
M
Command
FAN8024CD
11
Typical Application Circuits
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
FAN8024CD
SERVO
AMP
FOCUS
TRACKING
SLED
TRAY
SLED
12V
FOCUS
ACTUATOR
IN1
CAP1.1
CAP1.2
IN2.1
IN2.2
OUT2
FB1
VCC
PVCC1
PGND
DO2
DO2+
DO1
DO1+
STBY
REF
IN4
CAP4.1
CAP4.2
IN3
VCCGND
PVCC2
FB4
PGND
DO3
DO3+
DO4
DO4+
TRAY CONTROL IN
MOTOR
5V or 12V
REF
REF
MOTOR
TRACKING
ACTUATOR
R
D
R
D
5V or 12V
Stand by
FAN8024CD
8/11/03 0.0m 001
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perform when properly used in accordance with
instructions for use provided in the labeling, can be
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LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER
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FAN8024CDTF

Mfr. #:
Manufacturer:
ON Semiconductor
Description:
IC MOTOR DRVR 4.5V-13.2V 28SSOPH
Lifecycle:
New from this manufacturer.
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