lm431sbcml Fairchild Semiconductor, lm431sbcml Datasheet
lm431sbcml
Related parts for lm431sbcml
lm431sbcml Summary of contents
Page 1
... Temperature Compensated for Operation Over Full Rated Operating Temperature Range • Low Output Noise Voltage • Fast Turn-on Response Internal Block Diagram ©2006 Fairchild Semiconductor Corporation Description The LM431SA/LM431SB/LM431SC are three terminal output adjustable regulators with thermal stability over operating temperature range. The output voltage can be set any value between V (approximately 2 ...
Page 2
LM431SA/LM431SB/LM431SC Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified.) Parameter Cathode Voltage Cathode current Range (Continuous) Reference Input Current Range Thermal Resistance Junction-Air (Note1,2) MF Suffix Package ML Suffix Package Power Dissipation (Note3,4) MF Suffix Package ML Suffix ...
Page 3
Electrical Characteristics (T = +25°C, unless otherwise specified) A Parameter Symbol Conditions Reference REF KA REF Input Voltage Deviation of Reference ∆ Input Voltage REF KA REF ∆ ≤T Over MIN ...
Page 4
LM431SA/LM431SB/LM431SC Test Circuits LM431S Figure 1. Test Circuit for V LM431S Figure 3. Test Circuit for l 4 Figure 2. Test Circuit for REF KA(OFF) LM431S ≥V KA REF ...
Page 5
Typical Performance Characteristics 150 REF 100 50 0 -50 -100 - Cathode Voltage (V) KA Figure 4. Cathode Current vs. Cathode Voltage 0.100 0.075 0.050 ...
Page 6
LM431SA/LM431SB/LM431SC Typical Performance Characteristics 140 120 A 100 80 stable 100p 1n 10n 100n C , LOAD CAPACITANCE L Figure 10. Stability Boundary Conditions 0.0 0.2 0.4 0.6 0.8 ...
Page 7
Typical Application R ⎛ ⎞ ------ - = + ⎝ ⎠ O ref R 2 LM431S . Figure 13 Shunt Regulator LM431S Figure 16. Current Limit or Current Source R ⎛ ⎞ 1 ------ - V ...
Page 8
LM431SA/LM431SB/LM431SC Mechanical Dimensions Package Marking 43A 2% tolerance 8 Dimensions in millimeters SOT-23F 43B 1% tolerance 43C 0.5% tolerance ...
Page 9
Mechanical Dimensions Package ±0.20 4.50 ±0.10 1.65 0.50 ±0.10 1.50 TYP 1.50 TYP Marking 43A 2% tolerance (Continued) Dimensions in millimeters SOT-89 C0.2 0.40 ±0.10 0.40 43B 1% tolerance LM431SA/LM431SB/LM431SC 1.50 ±0.20 (0.40) +0.10 –0.05 43C 0.5% tolerance 9 ...
Page 10
... LM431SA/LM431SB/LM431SC Ordering Information Product Number Output Voltage Tolerance LM431SCCML LM431SCCMF LM431SBCML LM431SBCMF LM431SACML LM431SACMF 10 Package SOT-89 0.5% SOT-23F SOT-89 1% SOT-23F SOT-89 2% SOT-23F Operating Temperature -25 ~ +85°C ...
Page 11
... LM431SA/LM431SB/LM431SC TRADEMARKS The following are registered and unregistered trademarks Fairchild Semiconductor owns or is authorized to use and is not intended exhaustive list of all such trademarks. ACEx™ FACT Quiet Series™ ActiveArray™ GlobalOptoisolator™ Bottomless™ GTO™ Build it Now™ ...