NTE NTE1883 Datasheet
NTE1883
Integrated Circuit
Module, 3 Output Positive Voltage
Regulator for VCR
Features:
D 3 Outputs
D Cutoff Function
Absolute Maximum Ratings:
(TA = +25°C unless otherwise specified)
Maximum DC Input Voltage, V
IN
(DC) Max
V
O
1, VO2 30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
3 20V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Average Output Current, IO Max
V
O
1, VO2 0.8A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
VO3 1.0A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maximum Peak Output Current (Note 1), I
O
Max
VO1 1.0A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
2 1.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
V
O
3 2.0A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Case Temperature, TC Max +105°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Junction Temperature, T
J
Max +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Storage Temperature Range, T
stg
–30° to +105°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Thermal Resistance, Junction–to–Case, R
thJC
7.0°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Note 1. Peak Current: For 0.2sec Max.
Electrical Characteristics:
(TA = +25°C unless otherwise specified)
Parameter Test Conditions VO1 VO2 VO3 Unit
Output Voltage Setting Condition 1, Note 2 12.1 ±0.1 12.1±0.2 5.3±0.2 V
Output Cutoff Residual Voltage Condition 1, Note 3 12.1 ±0.13 0.1 0.1 V Max
Ripple Voltage Condition 6 5 5 5 mV
p–p
Max
Temperature Coefficient Condition 1 0.02 0.02 0.025 %/°C Max
Line Regulation Condition 2 10 10 2 mV/V Max
Condition 3 2 2 2
Load Regulation Condition 4 50 300 50 mV/A Max
Minimum Input–Output Voltage Difference Condition 5 1.2 – 1.2 V Max
Test Conditions:
Condition 1: VB = 45V, VIN (DC) 1 = 16V, VIN (DC) 2 = 9V, IO1 = 0.2A, IO2 = 0.5A, IO3 = 0.5A
Condition 2: V
B
= 45V ±5V, VIN (DC) 1 = 16V, VIN (DC) 2 = 9V, IO1 = 0.2A, IO2 = 0.5A, IO3 = 0.5A
Condition 3: V
B
= 45V, VIN (DC) 1 = 13.5V to 18.5V, VIN (DC) 2 = 6.7V to 11.3V IO1 = 0.2A,
I
O
2 = 0.5A, IO3 = 0.5A
Condition 4: V
B
= 45V, VIN (DC) 1 = 16V, VIN (DC) 2 = 9V, IO1 = 0 to 0.5A, IO2 = 0 to 0.6A,
I
O
3 = 0.1A to 1.0A,
Condition 5: V
B
= 45V, IO1 = IO3 = 0.5A, IO2 = 0, IB1 = 2mA
Condition 6: V
B
= 45V, VIN (DC) 1 = 16V, VIN (DC) 2 = 9V, Input Ripple Voltage = 1.5V
P–P
,
I
O
1 = 0.2A, IO2 = IO3 = 0.5A
Notes:
Note 2. Measurement must be made within 1 to 2 sec. after input switch ON
Note 3. When the cutoff pin (Pin2) is at high level (3V to 15V), V
O
2 and VO3 are in the OFF state.
V
O
3 (5.3V @ 0.5A)
V
IN
(DC) 2
V
O
2 (12V @ 0.5A)
V
O
1 (12.1V @ 0.2A)
V
B
VIN (DC) 1
Pin Connection Diagram
(Front View)
GND
Cutoff
8
7
6
5
4
3
2
1
.700 (17.78)
18
1.750 (44.45)
1.440 (36.57) .335 (8.5)
.100 (2.54)
.512
(13.0)
.945
(24.0)
1.007
(25.6)
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