DC MOTOR SPEED CONTROLLER
S1A2402C01
1
INTRODUCTION
The S1A2402C01 is a Controller for speed control, or a gen-
eral-purpose low-voltage compact DC motor for micro-cassette
tape recorders, radio cassettes and their equivalents.
FEATURES
Operating supply voltage range:
V
CC
=1.8V
-
8V
Compact applicable set due to a minimum of external parts
Easy speed adjustments
Built-in stable low voltage reference:
V
REF
= 0.2 V
ORDERING INFORMATION
BLOCK DIAGRAM
Device
Package
Operating Temperature
S1A2402C01-D0B0
8
-
DIP
-
300
-
20
C
-
+ 80
C
8
-
DIP
-
300
1
2
3
4
8
7
6
5
CONTROL
N.C
V
S
GND
N.C
N.C
V
CC
OUT
CURRENT
MIRROR
COMPARATOR
REFERENCE
VOLTAGE
START
CIRCUIT
S1A2402C01
DC MOTOR SPEED CONTROLLER
2
ABSOLUTE MAXIMUM RATINGS (Ta = 25
C)
RECOMMENDED OPERATING CONDITIONS (Ta = 25
C)
ELECTRICAL CHARACTERISTICS (Ta = 25
C)
Characteristic
Symbol
Value
Unit
Maximum Supply Voltage
V
CC
10
V
Maximum Motor Current
I
M(MAX)
700
mA
Power Dissipation
P
D
600
mW
Operating Temperature
T
OPR
-
20
-
+ 80
C
Storage Temperature
T
STG
-
40
-
+ 125
C
Characteristic
Symbol
Value
Unit
Supply Voltage
V
CC
1.8
-
8
V
Recommended Operating Temperature
T
OPR
-
20
-
60
C
Characteristic
Symbol
Test Conditions
Min.
Typ.
Max.
Unit
Reference Voltage
V
REF
V
CC
= 3V, l
M
= 100mA
0.18
0.2
0.22
V
Circuit Current
I
CC
V
CC
= 3V, l
M
= 100mA
-
2.4
6.0
mA
Current Coefficient
K
V
CC
= 3V, l
M
= 50mA
l
M
= 100mA
45
50
55
Saturation Voltage
V
(SAT)
V
CC
= 3V, l
M
= 100mA
-
0.13
0.3
V
Voltage Characteristic of
Reference Voltage
l
M
= 100mA,
V
CC
= 1.8
-
8V (S1A2402C)
1.8
-
4.5V (S1A2402D)
-
0.1
-
%/V
Voltage Characteristic of
Current Coefficient
l
M
= 50, 150mA
V
CC
= 1.8
-
8V (S1A2402C)
1.8
-
4.5V (S1A2402D)
-
0.3
-
%/V
Voltage Characteristic of
Reference Voltage
l
M
= 3V
l
M
=20
-
200mA
-
0.005
-
%/mA
Current Characteristic of
Current Coefficient
V
CC
= 3V, l
M
= 20, 50mA
-
170, 200mA
-
-
0.07
-
%/mA
Temperature Characteristic
of Reference Voltage
V
CC
= 3V, l
M
= 100mA
Ta =
-
20
-
+ 80
C
-
-
0.008
-
%/
C
Temperature Characteristic
of Current Coefficient
V
CC
= 3V, l
M
= 50 m, 150mA
Ta =
-
20
-
+ 80
C
-
0.02
-
%/
C
V
REF
V
REF
/
V
VCC
K
K
/
V
CC
V
REF
V
REF
/
I
M
K
K
/
I
M
V
REF
V
REF
/
T
A
K
K
/
T
A
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