LT1431C Linear Technology, LT1431C Datasheet - Page 2
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LT1431C
Manufacturer Part Number
LT1431C
Description
Programmable Reference
Manufacturer
Linear Technology
Datasheet
1.LT1431C.pdf
(12 pages)
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A
LT1431
V+, V
V
GND-F to GND-S .................................................... 0.7V
Ambient Temperature Range
PACKAGE/ORDER I FOR ATIO
ELECTRICAL CHARACTERISTICS
SYMBOL
V
|I
I
|I
|I
|Z
I
2
The
range.
Note 1: V
V
and corresponds to I(V
MIN
LIM
COLLECTOR
REF
OFF
LEAK
REF
V
V
COMP
KA
+
8-LEAD CERAMIC DIP
BSOLUTE
REF
REF
T
T
of the LT1431CN8/MJ8. I
LT1431M ........................................ – 55 C to 125 C
LT1431I ............................................ – 40 C to 85 C
LT1431C .............................................. 0 C TO 70 C
|
|
J MAX
|
J MAX
COMP
R
J8 PACKAGE
|
/ T
/ V
TOP
denotes specifications which apply over the operating temperature
COLLECTOR
V
+
, R
= 150 C,
= 100 C,
KA
KA
1
2
3
4
TOP
is the cathode voltage of the LT1431CZ/IZ and corresponds to
TOP VIEW
PARAMETER
Reference Voltage
Reference Drift
Voltage Ratio, Reference to
Cathode (Open-Loop Gain)
Reference Input Current
Minimum Operating Current
Off-State Cathode Current
Off-State Collector Leakage Current
Dynamic Impedance
Collector Current Limit
5V Reference Output
,R
JA
JA
8-LEAD PLASTIC DIP
= 130 C/W (N)
= 100 C/W (J)
MID
....................................................... 36V
N8 PACKAGE
+
W
,V
8
7
6
5
) + I
REF
R
GND-F
GND-S
REF
MID
A
COLLECTOR
K
is the cathode current of the LT1431CZ/IZ
XI
............................................ 6V
W
ORDER PART
LT1431MJ8
LT1431CN8
LT1431IN8
NUMBER
of the LT1431CN8/MJ8/IN8.
U
U
W
R
A
CONDITIONS
V
V
I
V
V
V
V
V
V
Internal Divider Used, I
W
K
TI
KA
KA
KA
KA
KA
COLL
KA
KA
COLLECTOR
= 2mA, V
= 5V, I
= 5V, I
= 5V, T
= V
= 36V, V
= V
= V
U
T
COMP
J MAX
= 36V, V
R
TOP
REF
REF
REF
V
G
+
= 100 C,
, I
K
K
8-LEAD PLASTIC SOIC
A
to 36V
+ 50mV
1
2
3
4
KA
S
= 2mA, (Note 2)
= 2mA
REF
K
= 25 C
T
= 1mA to 100mA, f 1kHz
S8 PACKAGE
= 3V to 36V
U
+
TOP VIEW
A
= 0V
= 5V, V
= 25 C, I
JA
= 170 C/W
K
REF
= 2mA
8
7
6
5
JunctionTemperature Range
Storage Temperature Range ................ –65 C to 150 C
Lead Temperature (Soldering, 10 sec)................ 300 C
Note 2: The LT1431 has bias current cancellation which is effective only
for V
V
V
K
KA
KA
= 2.4V
REF
R
GND-F
GND-S
MID
= 10mA, unless otherwise specified (Note 1).
LT1431C ............................................. 0 C to 100 C
LT1431M ........................................ – 55 C to 150 C
LT1431I .......................................... – 40 C to 100 C
drops below 3V. For this reason, these tests are not performed at
= V
KA
REF
ORDER PART
3V. A slight ( 2mV) shift in reference voltage occurs when
LT1431CS8
LT1431IS8
.
MARKING
NUMBER
LT1431
LT1431I
PART
2.490 2.500 2.510 2.490 2.500 2.510
2.465
4.950 5.000 5.050 4.950 5.000 5.050
MIN TYP MAX
80
LT1431M/I
T
J MAX
0.2
0.2
0.6
50
3-LEAD TO-92 PLASTIC
REF ANODE
= 100 C,
3
BOTTOM VIEW
2.535 2.480
Z PACKAGE
CATHODE
360
0.5
1.0
1.5
1.0
0.2
15
1
1
5
2
JA
= 160 C/W
1
MIN TYP MAX UNITS
100
LT1431C
0.2
0.2
0.6
30
ORDER PART
LT1431CZ
LT1431IZ
NUMBER
2.520
260
0.5
1.0
1.2
1.0
0.2
1
2
1
2
ppm/ C
mV/V
mA
mA
V
V
A
A
A
A
A
A
V