Description:Sink current capability of 1.0 to 100nmA; Temperature compensated for operation over full rated operating temperature range; Low dynamic output impedance 0.2 Ω (Typical) ; Low output noise voltage; Equivalent full-range temperature coefficient of 50 ppm/°C (Typical); Programmable output voltage to 36 V; Fast turn-on response
OUTPUT VOLTAGE ADJUSTABLE FROM 2.495 TO 36V WITH TWO EXTERNAL RESISTORS
Analog IC - Other Type:
TWO TERMINAL VOLTAGE REFERENCE
JESD-30 Code:
O-PBCY-T3
JESD-609 Code:
e3
Number of Functions:
1
Number of Outputs:
1
Number of Terminals:
3
Operating Temperature-Max:
85 °C
Operating Temperature-Min:
-25 °C
Output Current-Max:
0.1 A
Output Voltage-Max:
2.508 V
Output Voltage-Min:
2.482 V
Output Voltage-Nom:
2.495 V
Package Body Material:
PLASTIC/EPOXY
Package Code:
BCY
Package Equivalence Code:
SIP3,.1,50
Package Shape:
ROUND
Package Style:
CYLINDRICAL
Qualification Status:
Not Qualified
Surface Mount:
NO
Technology:
BIPOLAR
Temp Coef of Voltage-Max:
61.942 ppm/°C
Temperature Grade:
OTHER
Terminal Finish:
Matte Tin (Sn) - annealed
Terminal Form:
THROUGH-HOLE
Terminal Pitch:
1.27 mm
Terminal Position:
BOTTOM
Trim/Adjustable Output:
YES
LM431CCZ Frequently Asked Questions (FAQs)
The recommended operating temperature range for the LM431CCZ is -40°C to 125°C. However, it's essential to note that the device's performance may vary outside the typical operating temperature range of 0°C to 70°C.
While the LM431CCZ can operate up to 125°C, its voltage reference accuracy may degrade at high temperatures. For high-temperature applications, consider using a more temperature-stable voltage reference, such as the LM4040 or LM4050 series.
To ensure proper biasing, connect the LM431CCZ between the supply voltage (VCC) and ground, with a minimum resistance of 1 kΩ between the cathode (K) and anode (A) pins. This helps maintain a stable voltage reference and prevents oscillations.
While the LM431CCZ can be used as a shunt regulator, it's not suitable for high-current applications due to its limited power dissipation capability (typically 500 mW). For high-current applications, consider using a more robust shunt regulator, such as the TL431 or TL432 series.
To minimize noise and oscillations, use a bypass capacitor (typically 10 nF to 100 nF) between the cathode (K) and anode (A) pins, and ensure a low-impedance power supply. Additionally, keep the LM431CCZ away from high-frequency noise sources and use proper PCB layout and grounding techniques.
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LM431CCZ Overview
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