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NTE1881 Integrated Circuit Module, 3 Output Positive Voltage Regulator for VCR
NTE1881
Integrated Circuit
Module, 3 Output Positive Voltage
Regulator for VCR
Features:
D
3 Outputs
D
Output Voltage Select Function
Absolute Maximum Ratings: (T
A
= +25
°
C unless otherwise specified)
Maximum DC Input Voltage, V
IN
(DC) Max
V
O
1, V
O
2
30V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
3
20V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Average Output Current, I
O
Max
V
O
1
1.5A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
2
1.5A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
3
1.0A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Peak Output Current (Note 1), I
O
Max
V
O
1
2.5A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
2
2.5A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
3
2A
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Case Temperature, T
C
Max
+105
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature, T
J
Max
+150
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
30
°
to +105
°
C
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, JunctiontoCase, R
thJC
4.5
°
C/W
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Peak Current: For 1.0sec Max.
Electrical Characteristics: (T
A
= +25
°
C unless otherwise specified)
Parameter
Test Conditions
V
O
1
V
O
2
V
O
3
Unit
Output Voltage Setting
Condition 1, Note 2
12.0
±
0.3
12.0
±
0.1
5.3
±
0.1
V
Output Cutoff Residual Voltage
Condition 1, Note 3
12.0
±
0.3
12.0
±
0.1
0.1
V Max
Ripple Voltage
Condition 2
20
5
5
mV
pp
Max
Temperature Coefficient
Condition 1
0.02
0.02
0.02
%/
°
C Max
Input Regulation
Condition 3
80
35
35
mV/V Max
Load Regulation
Condition 4
150
40
40
mV/A Max
Minimum InputOutput Voltage
Difference
Condition 5
1.5
1.5
1.2
V Max
Note 2. Measurement must be made within 1 to 2 sec. after input switch is ON.
Note 3. When Pin2 is at High level (3V to 15V), V
O
3 is turned ON.
When Pin2 is at Low level (0.6V or less), V
O
3 is turned OFF. Test Conditions:
Condition 1:
V
IN
(DC) 1 = 16V, V
IN
(DC) 2 = 9V, I
O
1 = I
O
2 = 1A, I
O
3 = 0.5A, (I
B
1 = I
B
2 = 2mA)
Condition 2:
V
IN
(DC) 1 = 16V, V
IN
(DC) 2 = 9V, I
O
1 = I
O
2 = 1A, I
O
3 = 0.5A, Input Ripple Voltage = 1.5V
PP
Condition 3:
V
IN
(DC) 1 = 14.5V to 22V, V
IN
(DC) 2 = 6.6V to 11V, I
O
1 = I
O
2 = 1A, I
O
3 = 0.5A
Condition 4:
V
IN
(DC) 1 = 16V, V
IN
(DC) 2 = 9V, I
O
1 = 0.3A to 1A, I
O
2 = 0.3A to 1A, I
O
3 = 0.1A to 1A
Condition 5:
I
O
1 = I
O
2 = 1A, I
O
3 = 0.5A, I
B
1 = I
B
2 = 2mA
Pin Connection Diagram
(Front View)
V
O
3 (5.3V @ 1A)
V
IN
(DC) 2
V
O
2 (12V @ 1.5A)
I
B
2
V
IN
(DC) 1
V
O
1 (12V @ 1.5A)
I
B
1
V
IN
(DC) 1
GND
N.C.
Cutoff
10
9
8
7
6
5
4
3
2
1
12
11
N.C.
2.330 (59.2)
2.050 (52.0)
1.110 (27.94)
.628
(16.0)
1.003
(25.5)
.925
(23.5)
.100 (2.54)
.158 (4.0)
.335 (8.5)
1
12