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PDF B3431BK3 Data sheet ( Hoja de datos )
| Número de pieza | B3431BK3 | |
| Descripción | Adjustable Shunt Regulator | |
| Fabricantes | ETC | |
| Logotipo |  |
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Bay Linear
Inspire the Linear Power
Adjustable Shunt Regulator
B3431
Description
Features
The Bay Linear B3431 is a three terminal adjustable shunt
regulator with thermal stability over
Temperature range. Using two external resistors allows the
output voltage to be adjusted from 2.5V to 36V. With a sharp
turn on characteristics the B3431 a superior replacement for
zener diode applications.
.
The B3431 shunt regulator has a tolerance of 0.5% which has
proven to be sufficient to overcome all of the other errors in
the system to virtually eliminate the need for trimming in the
power supply manufacturers assembly line and contribute a
significant cost savings.
• Wide Operating Range …1mA to100mA
• Tight Band Gap Tolerance ….….…0.5%
• Low Temp. Coefficient…...…...30 ppm/oC
• Wide temp range of –40 to +105oC
• Available in SOT-23 package
Applications
• Switching Power Supplies
• Adjustable Power Supplies
• Linear Regulators
• Battery Powered Equipment
• Monitors, TV, VCR
• Instrumentation
Package Information
Ordering & Marking Information
SOT-23-3 (K3) LM3431
ANODE
3
12
CATHODE REF
Top View
SOT-23-3 (K3) B3431
ANODE
3
12
REF CATHODE
Top View
CATHODE (K)
Package
Tolerance
0.5%
1%
2%
SOT-23 B3431AK3 B3431BK3 B3431CK3
REFERENCE
(R)
+
-
2.5V
ANODE (A)
Bay Linear, Inc 2478Armstrong St., Livermore CA USA 9550
Tel: (925) 606-5950, Fax: (925) 940-9556
www.baylinear.com
1 page  
TYPICAL PERFORMANCE CURVES
900
800
700
600
500
400
300
200
100
0
-100
-200
-1.0
Low Current Operating Characteristics
VKA = VREF
Temperature Range: - 0 to 105 °C
105 °C
25 °C
-0°C
0 1.0 2.0
VKA - Cathode Voltage (V)
Figure 2
3.0
100
VVKREAF==108VV
10
Off State Leakage
1
0.1
0.01
-60
-30 0 30 60 90
TA - Ambient Temperature ( °C)
Figure 4
120
B3431
150
125
100
75
50
25
0
-25
-50
-75
-100
-2
High Current Operating Characteristics
VKA= V REF
Temperature Range: - 0 to 105 °C
-1 0 1
VKA - Cathode Voltage (V)
Figure 3
2
3
Reference Voltage vs. Ambient Temperature
2.53
VKA= V REF
2.52 IK = 10 mA
2.51
2.50
VREF = 2.500 V at 25 °C
2.49
2.48
2.47
2.46
2.45
-60
-30 0
30 60 90
TA - Ambient Temperature ( °C)
Figure 5
120
Bay Linear, Inc 2478Armstrong St., Livermore CA USA 9550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com
5 Page | ||
| Páginas | Total 9 Páginas | |
| PDF Descargar | [ Datasheet B3431BK3.PDF ] | |
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