NTE1844
Integrated Circuit
Motor Speed Regulator
Description:
The NTE1844 is a monolithic integrated circuit intended for speed regulation of DC motors in record
players, tape, and cassette recorders, conveniently packaged in a 4鈥揕ead SIP type plastic package.
Features:
D
High Output/Low Quiescent Currents
D
Low Reference Voltage
D
Excellent Stability versus Temperature, Parameters
D
Excellent Characteristics even at Low Supply Voltages
Absolute Maximum Ratings:
(T
A
= +25擄C)
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18V
Circuit Current (t
鈮?/div>
5sec), I
O
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2A
Package Dissipation, P
D
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.2W
Operating Temperature Range, T
opr
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +75擄C
Storage Temperature Range, T
stg
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 鈥?0擄 to +150擄C
Recommended Operating Condition:
Supply Voltage Range, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.5V to 16V
Electrical Characteristics:
(T
A
= +25擄C, V
CC
= 12V, Pulse Test PW
鈮?/div>
10ms, Duty Cycle
鈮?/div>
2%
unless otherwise specified)
Parameter
Reference Voltage
Quiescent Current
Reflection Coefficient
Saturation Voltage
Symbol
V
ref
I
d
k
V
4(sat)
鈭唊
/鈭哣
CC
k
Test Conditions
I
4
= 10mA
R
M
= 180鈩?/div>
R
M1
= 44鈩? R
M2
= 33鈩?/div>
V
CC
= 4.2V, R
M
= 4.4鈩?/div>
I
4
= 100mA, V
CC
= 6.3V to 16V
Min
1.10
0.5
18
鈥?/div>
鈥?/div>
Typ
1.27
0.8
20
1.5
0.4
Max
1.40
1.2
22
2.0
next
NTE1844 產品屬性
NTE
置換半導體
否
1
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