UPC1944 NEC [NEC], UPC1944 Datasheet - Page 2

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

ABSOLUTE MAXIMUM RATINGS (T
TYPICAL CONNECTION
2
Note with 16 cm
Caution Product quality may suffer if the absolute maximum rating is exceeded even momentarily for any
Cathode Voltage
Cathode Current
Cathode to Anode Reverse Current
Reference Voltage
Reference Input Current
Reference to Anode Reverse Current
Total Power Dissipation
Operating Ambient Temperature
Operating Junction Temperature
Storage Temperature
parameter. That is the absolute maximum ratings are rated values at which the product is on the verge
of suffering physical damage, and therefore the product must be used under conditions that ensure
that the absolute maximum ratings are not exceeded.
Parameter
2
0.7 mm ceramic substrate.
PC1943T
PC1944T
PC1944J
PC1944GR
GND
V
IN
R
A
0
R
R
= 25 C, unless otherwise specified.)
V
I
V
I
P
T
T
T
Symbol
K
REF
1
2
A
J
stg
KA
REF
T
I
I
K
REF
Data Sheet G10239EJ3V0DS00
REF
K
A
V
320 (1600
320 (1600
OUT
30 to
65 to
V
30 to
Ratings
OUT
560
385
25
50
50
30
7
10
125
125
Note
Note
85
(1 +
)
)
R
R
1
2
) · V
REF
PC1943,1944
Unit
mW
mW
mW
mW
mA
mA
mA
V
V
C
C
C
A