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B431L

Features: • Low voltage operation (down to 1.24V)• Wide operating current..80A to 100mA• Trimmed bandgap design...... ± 0.5%• Low Dynamic Output Impedance.....0.05• Wide temperature range.... -40°C to +85°C• Available in ....SOT-23-3, TO-92 , 8SOIC• Pin-to...

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SeekIC No. : 004294696 Detail

B431L: Features: • Low voltage operation (down to 1.24V)• Wide operating current..80A to 100mA• Trimmed bandgap design...... ± 0.5%• Low Dynamic Output Impedance.....0.05• Wid...

B431L Data Sheet

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Part Number:
B431L
Supply Ability:
5000

Price Break

  • Qty
  • 1~5000
  • Unit Price
  • Negotiable
  • Processing time
  • 15 Days
Total Cost: $ 0.00

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Upload time: 2024/12/21

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Product Details

Description



Features:

• Low voltage operation (down to 1.24V)
• Wide operating current..80A to 100mA
• Trimmed bandgap design...... ± 0.5%
• Low Dynamic Output Impedance.....0.05
• Wide temperature range.... -40°C to +85°C
• Available in ....SOT-23-3, TO-92 , 8SOIC
• Pin-to-Pin Replacement ......SC431L


Application

• Switching Power Supplies
• Adjustable Power Supplies
• Linear Regulators
• Battery Powered Equipment
• Monitors, TV, VCR
• Instrumentation


Pinout

Connection Diagram


Specifications

Parameter
Symbol
Maximum
Units
Cathode Voltage
Vz
20
V
Continuous Cathode Current
Iz
100
mA
Reference Input Current Range
3
mA
Power Dissipation at TA - 25
SOT-23-3
S0-8
TO-92
PD
0.37
0.75
0.95
W
Thermal Resistance
SOT-23-3
S0-8
TO-92
OJA
336
175
132
/W
Operating Junction Temperature Range
TJ
-40 to +150
Storage Temperature Range
TSTG
-65 to +150
Lead Temperature (Soldering) 10 seconds
TLEAD
300
ESD Rating (Human Body Model)
TESD
2
kV

 




Description

The B431L is a three terminal adjustable shunt regulator with thermal stability of 50ppm/°C. The output voltage can be adjusted to any value from 1.24V (VREF) to 16V with two external resistors. These devices have a typical output impedance of 0.05. Active output circuitry provides a very sharp turn-on characteristics and making the device excellent replacement for zener diodes in many applications. The B431L is an ideal voltage reference in an isolated feedback circuit for 3.0V switch mode power supplies.

The B431L shunt regulator is available with three voltage tolerances (0.5%, 1.0% and 2.0%) and three package options (SOT-23-3, TO-92, 8SOIC). This allows the designer the opportunity to select the optimum combination of cost and performance for their application.




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