UPC1944 NEC [NEC], UPC1944 Datasheet - Page 4

• Manufacturer Part Number: UPC1944
• Description: ADJUSTABLE PRECISION SHUNT REGULATORS
• Manufacturer: NEC [NEC]

TYPICAL CHARACTERISTIC (T
4
600
500
400
300
200
100
20
10
10
20
40
50
40
30
20
10
0
0
0
V
T
I
V
T
PC1943T,
20
PC1944GR
K
A
A
KA
KA
= 10 mA
1944T
- Operating Ambient Temperature - C
- Operating Ambient Temperature - C
= V
= V
25
0
REF
REF
PC1944J
V
KA
20
0.5
- Cathode Voltage - V
50
I
P
K
T
V
vs V
40
vs T
REF
75
KA
vs T
A
60
A
( I )
(II)
= +25 C, unless otherwise specified. Nominal)
A
100
1.0
80
100 120
125
Data Sheet G10239EJ3V0DS00
150
1.5
2.0
1.5
1.0
0.5
2.0
1.0
10
20
30
0
0
0
1.0
T
V
PC1943T, 1944T
A
KA
- Operating Ambient Temperature - C
0.2
= V
25
0.8
REF
V
V
KA
KA
0.4
- Cathode Voltage - V
- Cathode Voltage - V
50
I
P
I
K
K
T
0.6
vs V
vs V
0.6
vs T
75
KA
KA
A
with 16 cm
ceramic substrate
0.8
( II )
(III)
0.4
( I )
100
1.0
PC1943,1944
V
2
KA
0.2
125
0.7 mm
= V
1.2
REF
150
1.4
0