lm431acmd NXP Semiconductors, lm431acmd Datasheet - Page 6

• Manufacturer Part Number: lm431acmd
• Description: Adjustable Precision Shunt Regulators
• Manufacturer: NXP Semiconductors

Philips Semiconductors
2002 Jan 22
Adjustable precision shunt regulators
Figure 6. Reference Input Voltage vs. Temperature
2600
2580
2560
2540
2520
2500
2480
2460
2440
2420
2400
–200
–100
150
125
800
600
400
200
100
–25
–50
–75
Figure 7. Cathode Current vs. Cathode Voltage
Figure 8. Cathode Current vs. Cathode Voltage
75
50
25
0
0
–50
–2
–1
V
I
K
KA
V
T
V
T
= 10mA
amb
amb
KA
KA
= V
–25
= V
= V
= 25 C
= 25 C
ref
ref
ref
–1
0
V
T
0
KA
amb
CATHODE VOLTAGE – (V)
– CATHODE VOLTAGE – (V)
– TEMPERATURE – ( C)
0
25
1
V
V
V
ref
ref
ref
50
= 2550mV
= 2495mV
= 2440mV
1
75
2
I
min
2
100
SL01172
SL01170
SL01171
125
3
3
6
Figure 10. Off-State Cathode Current vs. Temperature
Figure 9. Reference Input Current vs. Temperature
–0.1
–0.2
–0.3
–0.4
–0.5
–0.6
–0.7
–0.8
–0.9
3.0
2.5
2.0
1.5
1.0
0.5
90
80
70
60
50
40
30
20
10
0
–1
Figure 11. Ratio of Delta Reference Voltage to
–75
0
0
–75
–75
Delta Cathode Voltage over Temperature
R1 = 10k
R2 =
I
K
V
V
V
= 10mA
KA
ref
–50
KA
TL431C, TL431AC, TL431I,
–50
–50
= 36V
= 0V
= 3V TO 36V
–25
–25
–25
T
amb
T
T
amb
amb
– TEMPERATURE – ( C)
0
– TEMPERATURE – ( C)
– TEMPERATURE – ( C)
TL431AI, LM431AC
0
0
25
25
25
50
50
50
75
75
75
100
Product data
100
100
SL01168
SL01173
SL01169
125
125
125