UNISONIC TECHNOLOGIES CO., LTD
AN6651
MOTOR SPEED CONTROL
CIRCUIT
DESCRIPTION
The UTC
AN6651
is a monolithic integrated circuit designed
for the rotating control of a compact DC motor which is used for a
tape recorder, recorder player etc.
LINEAR INTEGRATED CIRCUIT
FEATURES
*Wide operating supply voltage: V
CC
=3.5V ~ 14.4V
*Small four-lead plastic packer for compact motor.
*Few external components
*Stable low reference voltage (1.0V, typical)
*Wide motor speed setting
*Reverse voltage protection circuit built-in
*Pb-free plating product number: AN6651L
ORDERING INFORMATION
Ordering Number
Normal
Lead Free Plating
AN6651-T6B-K
AN6651L-T6B-K
Package
TO-126B
Packing
Bulk
PIN DESCRIPTIONS
PIN NO.
1
2
3
4
PIN NAME
V
CC
CONTROL
GND
MOTOR
PIN FUNCTION
Supply Voltage
Control signal input
GND
Connected to the motor.
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AN6651
BLOCK DIAGRAM
LINEAR INTEGRATED CIRCUIT
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AN6651
ABSOLUTE MAXIMUM RATINGS
(T
A
=25°C)
PARAMETER
LINEAR INTEGRATED CIRCUIT
SYMBOL
RATINGS
UNITS
Supply Voltage
V
CC
14.4
V
Supply Current
t
≤5
sec
I
CC
2000
mA
Power Dissipation (T
A
=25°C)
P
D
1300
mW
Vn-3
-0.5
~
+14.4
V
Terminal Voltage
(n=1,2,4)
I
1
150
Terminal Current
I
2
100
mA
I
3
-2000(min)
Terminal Current
t
≤5
sec
1750
I
4
Operating Temperature
T
OPR
-20
~
+75
°C
Storage Temperature
T
STG
-40
~
+150
Note Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS
(T
A
= 25°C, unless otherwise specified)
PARAMETER
Reference Voltage
Base Current
Current Proportional Constant
Saturation Voltage
Voltage Characteristics 1
ΔK
/ K
ΔV
CC
ΔV
REF
/ V
REF
Δ
I
4
ΔK
/ K
Δ
I
4
ΔV
REF
/ V
REF
Δ
T
A
T
A
=-20~+75°C,V
CC
=6V,R
A
=1kΩ
I
4
=50mA~200mA
-0.01
KH
Z
SYMBOL
V
REF
I
BIAS
K
V
SAT
TEST CONDITIONS
V
CC
=6V, R
A
=1kΩ
V
CC
=6V
V
CC
=6V,
ΔI
4
=40mA
V
CC
=4.2V, R
A
=5.0kΩ
V
CC
=3.5V~14V, R
A
=1kΩ
V
CC
=3.5V~14V,
ΔI
4
=40mA
MIN
0.85
35
TYP
1.00
0.8
40
1.15
-0.1
MAX UNITS
1.15
V
1.8
mA
45
2.0
V
μA
Voltage Characteristics 2
0.2
%
-0.02
Current Characteristics 1
Current Characteristics 2
Temperature Characteristics 1
0.01
%/°C
Temperature Characteristics 2
T
A
=-20~+75°C,
ΔI
4
=40mA
0.01
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AN6651
TYPICAL APPLICATION CIRCUIT
LINEAR INTEGRATED CIRCUIT
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AN6651
TYPICAL CHARACTERISTICS
2.0
1.6
1.2
(2)
0.8
0.4
0
-20
Power Dissipation vs.Temperature
(1) With a 10×10mm blakelite
PDB(35μm Cu leaf)
(2) Without heat sink
(1)
LINEAR INTEGRATED CIRCUIT
100
20
60
140
Ambient Temperature,T
A
(°С)
180
UTC assumes no responsibility for equipment failures that result from using products at values that
exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or
other parameters) listed in products specifications of any and all UTC products described or contained
herein. UTC products are not designed for use in life support appliances, devices or systems where
malfunction of these products can be reasonably expected to result in personal injury. Reproduction in
whole or in part is prohibited without the prior written consent of the copyright owner. The information
presented in this document does not form part of any quotation or contract, is believed to be accurate
and reliable and may be changed without notice.
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