TL431BLP [MCC]
Programmable Precision Regulator; 可编程精密稳压器
| 型号： | TL431BLP |
| 厂家： | 
Micro Commercial Components |
| 描述： | Programmable Precision Regulator |
| 文件： | 总4页 (文件大小：228K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
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20736 Marilla Street Chatsworth
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$ꢉ%ꢒꢅ ꢅ ꢅ ꢓꢔꢍꢔ ꢅ!ꢕꢍ"#ꢌꢎꢌ
TM
Micro Commercial Components
TL431BLP
Features
•
Lead Free Finish/RoHS Compliant ("P" Suffix designates
RoHS Compliant. See ordering information)
The Reference Input Voltage tolerance is 0.5%
Sink Current Capability of 0.1mA to 100 mA
Temperature Compensated for operation over full rated operating
temperature range
•
•
•
Programmable
Precision Regulator
•
·
·
·
Low output noise voltage and Fast turn on response
Epoxy meets UL 94 V-0 flammability rating
Moisure Sensitivity Level 1
Marking Code: TL431
TO-92
Maximum Ratings
A
E
Parameter
Symbol
Value
Unit
Cathode Voltage
Cathode Current Range
Reference Input Current Range
Power Dissipation at 25R
VKA
IK
IREF
PD
37
-100~150
0.05~10
0.77
V
mA
mA
W
B
R/W
R
Thermal Resistance junction to ambient
Junction Temperature
RθJA
TJ
178
0--150
R
R
Operating Temperature
Tg
0---70
Storage Temperature Range
TSTG
-65---+150
Recommended Operating Conditions
Parameter
Cathode Voltage
Cathode Current Range
Sym
VKA
IK
Min
VREF
1.0
Max
36
100
Unit
V
mA
C
Electrical Characteristics @ 25R Unless Otherwise Specified
Typ
Parameter
Sym
Min
Max
Test conditions
Reference Input
Voltage
2.4875V 2.500V
2.5125V
Vref
Deviation of
reference input
voltage
Ratio of Change in
Reference Input
Voltage to the
Change in Cathode
Voltage
4.5mV
-1.0
17mV
-2.7
T
min!Ta!Tmax
Vref(dev)
D
bVKA=10V,Vref
b[VKA=36V,10V
bVref/
bVKA
-0.5
-2.0
1
2
3
IKA=10mA,
R1=10KĀꢀ R2=$
Reference Input
Current
Deviation of
Reference Input
Current Over Full
Temperature Range
Minimum Cathode
Current for
1. (R) REFERENCE
2. (A) ANODE
3. (K) CATHODE
1.5µA
4.0µA
Iref
G
IKA=10mA,
R1=10KĀꢀ R2=$[
TA=full Temperature
bIref/
bT
DIMENSIONS
0.4µA
1.2µA
INCHES
MM
DIM
A
B
C
D
MIN
.175
.175
.500
.016
.135
.095
MAX
.185
.185
---
.020
.145
.105
MIN
4.45
4.46
12.7
0.41
3.43
2.42
MAX
4.70
4.70
---
0.63
3.68
2.67
NOTE
0.45mA
1.0mA
IKA(min)
Regulation
Off-State Cathode
Current
0.05µA
0.15Ā
1.0µA
0.5Ā
IKA(off)
ZKA
VKA=36V, VREF=0V
E
G
IKA=10 to 100mA,
f!1.0KHz
Dynamic Impedance
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Micro Commercial Components
TL431BLP
Input
R1
V
KA
Input
V
KA
Input
V
KA
I
off
I
K
I
K
I
ref
V
ref
R2
R1
R2
ĂǒĂ1 ) ĂǓ) I
V
+ V
ĂSĂR1
KA
ref
ref
V
ref
Figure 1. Test Circuit for V = V
Figure 2. Test Circuit for V > V
Figure 3. Test Circuit for I
off
KA
ref
KA
ref
150
800
V
KA
= V
ref
V
KA
= V
ref
T = 25°C
T = 25°C
A
A
I
100
50
600
400
200
0
Input
V
KA
K
Min
Input
V
KA
I
I
K
0
-50
-100
-200
-2.0
-1.0
0
1.0
2.0
3.0
-1.0
0
1.0
V , CATHODE VOLTAGE (V)
KA
2.0
3.0
V
KA
, CATHODE VOLTAGE (V)
Figure 4. Cathode Current versus
Cathode Voltage
Figure 5. Cathode Current versus
Cathode Voltage
2600
2580
2560
2540
2520
2500
3.0
V
KA
Input
I
K V = V
I = 10 mA
K
KA
ref
Vref Max = 2525mV
2.5
2.0
1.5
1.0
0.5
0
V
ref
Vref Typ = 2500mV
Vref Min = 2475mV
I = 10 mA
K
2480
2460
2440
V
KA
Input
10k
I
K
I
ref
2420
2400
-55
-25
0
25
50
75
100
125
-55
-25
0
25
50
75
100
125
T , AMBIENT TEMPERATURE (°C)
A
T , AMBIENT TEMPERATURE (°C)
A
Figure 6. Reference Input Voltage versus
Ambient Temperature
Figure 7. Reference Input Current versus
Ambient Temperature
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Micro Commercial Components
0
-8.0
-16
-24
-32
1.0 k
100
10
I
T
= 10 mA
= 25°C
K
A
V
KA
V
ref
= 36 V
= 0 V
Input
R1
V
KA
1.0
I
K
V
Input
KA
I
off
R2
V
ref
0.1
0.01
-55
-25
0
25
50
75
100
125
0
10
20
, CATHODE VOLTAGE (V)
30
40
V
T , AMBIENT TEMPERATURE (5C)
KA
A
Figure 8. Change in Reference Input
Voltage versus Cathode Voltage
Figure 9. Off–State Cathode Current
versus Ambient Temperature
100
0.320
0.300
T
= 25_C
A
1.0 k
50
V
KA
= V
ref
Output
K
∆ I = 1.0 mA to 100 mA
K
∆ I = 1.0 mA to 100 mA
K
I
f ≤ 1.0 kHz
-
+
Output
K
0.280
0.260
0.240
0.220
0.200
Gnd
10
1.0
0.1
1.0Ăk
50
I
-
+
Gnd
1.0 k
10 k
100 k
f, FREQUENCY (MHz)
1.0 M
10 M
-55
-25
0
25
50
75
100
125
T , AMBIENT TEMPERATURE (_C)
A
Figure 10. Dynamic Impedance
versus Frequency
Figure 11. Dynamic Impedance
versus Ambient Temperature
80
60
40
20
0
60
Output
I
K
50
40
30
20
10
0
15Ăk
9.0 µF
230
8.25Ăk
Gnd
V
= V
ref
= 10 mA
= 25°C
KA
I
K
T
A
Input
Output
I
T
= 10 mA
= 25_C
K
I
K
A
-10
1.0 k
10 k
100 k
f, FREQUENCY (MHz)
1.0 M
10 M
10
100
1.0 k
f, FREQUENCY (Hz)
10 k
100 k
Figure 12. Open–Loop Voltage Gain
versus Frequency
Figure 13. Spectral Noise Density
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Revision: A
2011/01/01
M C C
TM
Micro Commercial Components
Ordering Information :
Device
Packing
Part Number-AP
Part Number-BP
Ammo Packing: 2Kpcs/Ammo Box
Bulk: 100Kpcs/Carton
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