NTE NTE1880 Datasheet
Module, 3 Output Positive Voltage
Features:
D 3 Outputs
D Output Voltage Select Function
NTE1880
Integrated Circuit
Regulator for VCR
Absolute Maximum Ratings:
Maximum DC Input Voltage, V
Maximum Average Output Current, I
V
1 1.0A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
V
2 1.0A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
V
3 0.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
Maximum Peak Output Current (Note 1), I
V
1 2.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
V
2 (Note 2) 2.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
V
3 0.5A. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
O
Operating Case Temperature, T
Junction Temperature, T
J
Storage Temperature Range, T
Thermal Resistance, Junction–to–Case, R
Note 1. Peak Current: For 0.1sec Max.
Note 2. Must be used within the ASO range of external transistor Tr1.
(TA = +25°C unless otherwise specified)
(DC) Max 30V. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IN
Max
O
Max
O
Max +105°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C
Max +150°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
stg
thJC
–30° to +105°C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4.5°C/W. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Characteristics: (TA = +25°C unless otherwise specified)
Parameter Test Conditions VO1 VO2 VO3 Unit
Output Voltage Setting Condition 1 13.0 ±0.2 6.05±0.2 5.1±0.2 V
Output Cutoff Residual Voltage Condition 1, Note 3 0.1 6.02±0.2 0.1 V Max
Ripple Voltage Condition 1 5 2 2 mV
Temperature Coefficient Condition 1 0.02 0.035 0.02 %/°C Max
Input Regulation Condition 2 9 10 10 mV/V Max
Condition 3 1 1 1
Load Regulation Condition 4 35 10 3500 mV/A Max
Minimum Input–Output Voltage
Difference
VO3 Short Current Condition 6 – – 0.45 A Max
Condition 5 1.2 1.2 – V Max
p–p
Max
Test Conditions:
Condition 1: VB = 45V, Ripple = 6mV
VIN (DC) 1 = 18V, IO1 = 0.5A, Input Ripple Voltage = 2.5V
V
(DC) 2 = 14V, IO2 = 0.3A, IO3 = 70mA, Input Ripple Voltage = 1.6V
IN
Condition 2: VB = 45V ±7V
V
(DC) 1 = 18V, IO1 = 0.5A
IN
V
(DC) 2 = 14V, IO2 = 0.3A, IO3 = 70mA
IN
Condition 3: V
Condition 4: V
Condition 5: V
Condition 6: V
= 45V
B
V
(DC) 1 = 18V ±4V, IO1 = 0.5A
IN
V
(DC) 2 = 14V ±3V, IO2 = 0.3A, IO3 = 70mA
IN
= 45V
B
VIN (DC) 1 = 18V, IO1 = 0 to 1A, IO3 = 50 to 100mA
V
(DC) 2 = 14V, IO2 = 0 to 1A
IN
= 45V, IO1 = IO2 = 1A
B
= 45V
B
V
(DC) 1 = 18V, IO1 = 0.5A
IN
V
(DC) 2 = 14V, IO2 = 0.3A
IN
p–p
Pin Connection Diagram
(Front View)
8
GND
p–p
,
p–p
7
6
5
4
3
2
1
(DC) 1
V
IN
GND/Cutoff Switch
VO 1 (13V @ 1A)
V
B
VIN (DC) 2
2 (6.05V @ 1A)
V
O
VO 3 (5.1V @ 0.5A)
1.543 (39.2)
1.189 (30.2) .335 (8.5)
.992
(25.2)
.508
(12.7)
18
.100 (2.54)
.866
(22.0)
.700 (17.78)
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