GM431_08 GAMMA | Alldatasheet
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Technical content
Features
Sink Current Capability 1mA to 100mA Low dynamic out put impedance, 0.2 typ. Low output noise 0.5%, 1% or 2% reference voltage tolerance Alternate for TL431, LM431 & AS431 Temperature range -40°C to + 125°C Available in SOT-23, TO-92, SOT-89 and Sop- 8 packages Cathode Reference Anode VREF Cathode Anode Reference
GM431V1.07 GM431 2.5V ADJUSTABLE SHUNT REGULATORS Marking Information and Pin Configurations (Top View) SOT23 TO92 SOT89 SO8 AAX: Marking Code (see table below) RAX: Marking Code (see table below) G: Grade Code (A: 0.5%, B: 1.0%, C: 2.0%) A: Assembly/Test Site Code Y: Year W: Week code WW: Week 431G AYWW AAXYW Ref Anode Cathode 431G AYWW Ref 1 2 Anode
3 Cathode
- Ref Anode
- Cathode 2. Anode 3. Anode 5. NC 6. Anode 7. Anode Ref 1 4. NC RAXYW Cathode Anode Ref (GM431R) (GM431)
2.5V ADJUSTABLE SHUNT REGULATOR GM431V1.07
Ordering Information
Ordering Number Precision Device Code Grade Package Shipping GM431AT92B 0.5% A TO-92 1,000 Units/ESD Bag GM431AT92RL 0.5% A TO-92 2,000 Units/Ammo Pack (Tape) GM431AST23R 0.5% AAA SOT-23 3,000 Units/Tape & Reel GM431RAST23R 0.5% RAA SOT-23 3,000 Units/Tape & Reel GM431AS8T 0.5% A SO-8 100 Units/Tube GM431AS8R 0.5% A SO-8 2,500 Units/Tape & Reel GM431AST89R 0.5% A SOT-89 1,000 Units/Tape & Reel GM431BT92B 1.0% B TO-92 1,000 Units/ESD Bag GM431BT92RL 1.0% B TO-92 2,000 Units/Ammo Pack (Tape) GM431BST23R 1.0% AAB SOT-23 3,000 Units/Tape & Reel GM431RBST23R 1.0% RAB SOT-23 3,000 Units/Tape & Reel GM431BS8T 1.0% B SO-8 100 Units/Tube GM431BS8R 1.0% B SO-8 2,500 Units/Tape & Reel GM431BST89R 1.0% B SOT-89 1,000 Units/Tape & Reel GM431CT92B 2.0% A TO-92 1,000 Units/ESD Bag GM431CT92RL 2.0% C TO-92 2,000 Units/Ammo Pack (Tape) GM431CST23R 2.0% AAC SOT-23 3,000 Units/Tape & Reel GM431RCST23R 2.0% RAC SO T-23 3,000 Units/Tape & Reel GM431CS8T 2.0% C SO-8 100 Units/Tube GM431CS8R 2.0% C SO-8 2,500 Units/Tape & Reel GM431AST89R 2.0% C SOT-89 1,000 Units/Tape & Reel
GM431V1.07 GM431 2.5V ADJUSTABLE SHUNT REGULATORS Absolute Maximum Ratings PARAMETER SYMBOL RATINGS UNITS Cathode Voltage V KA 20 V Continuous Cathode Current Range I K -100 to 150 mA Reference Input Current Range I REF -50µA to 10mA Power Dissipation at TA = 25°C SOT-23 0.23 TO-92 0.78 SOT-89 0.8 SO-8 PD 0.6 W Package Thermal Resistance SOT-23 336 TO-92 132 SOT-89 132 SO-8 θJA 163 °C/W Operating Ambient Temperature Range T A -40 - 125 °C Storage Temperature - 65 to 150 °C Lead Temperature (soldering 10 sec.) 260 °C Recommended Operating Conditions PARAMETER SYMBOL Min Max UNITS Cathode Voltage V KA VREF 18 V Cathode Current I K 10 100 mA Equivalent Schematics 10k 20pF 800 800 20pF 3.28K 2.4K 7.2K Cathode Reference Anode
2.5V ADJUSTABLE SHUNT REGULATOR GM431V1.07 Electrical Characteristics (TA = 25°C unless otherwise specified) Parameter Symbol Condition Min Typ Max Unit GM431A 2.488 2.500 2.513 GM431B 2.475 2.500 2.525 Reference Voltage GM431C VREF VKA = VREF, IK = 10mA, Test circuit 1 2.450 2.500 2.550 mV VREF Deviation over Temperature VREF(DEV) VKA = VREF, IK = 10mA, Full Range Test circuit 1 4 17 mV ∆VKA = 10V to VREF -2.7 -1.0 Ratio of change in V REF to change in VKA ∆VREF/∆VKA IK = 10mA ∆VKA = 18V to 10V -2 -0.4 µA Reference Input Current IREF IK = 10mA, R1 = 10K, R2 = ∞ Test circuit 2 1.3 4 µA IREF Deviation over Temperature VREF(DEV) IK = 10mA, R1 = 10K, R2 = ∞ Full range, Test circuit 2 0.4 1.2 µA Minimum Cathode Current IK(MIN) VKA = VREF Test circuit 1 0.4 1.0 mA Off-state cathode Current IK(OFF) VKA = 18V, VREF = 0V Test circuit 3 0.1 1 µA Dynamic Impedance |ZKA| VKA = VREF, IK = 1mA to 10mA, f ≤1kHz, Test circuit 1 0.2 0.5 Ω Test Circuits VIN V IN V IN VKA V KA VKA IK IK IK(OFF) VREF VREF R2 VREF IREF Test Circuit 1 VKA = VREF Test Circuit 2 VKA > VREF Test Circuit 3 Off-State
K is the GM431 operating voltage, and is set at around 3V, taking into account a margin for fluctuation. AC characteristics described in the next Section. The IREF va1ue is around 0.7µA Typ. Figure 9. Typical Shunt Regulator/ Error Amplifier
REF/∆VKA, and is approximately 50 dB. power supply output vo1tage V2 = 5V, and bias resistance R2 current of approximately 1/5 IF at 0.5mA. If the Shunt regulator VK = 3V, the following values are found. Figure 10. GM431 Error Amplification Characteristic
2.5V ADJUSTABLE SHUNT REGULATOR GM431V1.07 Package Outline Dimensions – SOT 23 0.003 - 0.007 (0.08 - 0.18) 0.110 - 0.120 (2.80 - 3.04) 0.047 - 0.055 (1.20 - 1.40) (1.91) 0.075 Typ. 0.083 - 0.104 (2.11 - 2.62) 0.0150 - 0.0200 (0.382 - 0.508) Typ.0.037 (0.93) 0.0005 - 0.0040 (0.025 - 0.102) 0 - 8 typ 0.013 - 0.017 (0.34 - 0.44) 0.013 - 0.017 (0.34 - 0.44) Package Outline Dimensions – SOT 89 0.084 - 0.090 (2.13 - 2.28) (4.39 - 4.59) 0.155 - 0.167
0.118 BSC
(2.99) BSC
0.059 BSC
(1.49) BSC
0.061 REF
(1.550 REF) 0.035 - 0.047 (0.89 - 1.19) 0.090 - 0.102 0.016 - 0.023 (0.400 - 0.580) (0.320 - 0.520) 0.013 - 0.021 0.173 - 0.181 0.055 - 0.063 (1.39 - 1.60) 0.014 - 0.017 (0.35 - 0.43)
GM431V1.07 GM431 2.5V ADJUSTABLE SHUNT REGULATORS Package Outline Dimensions – TO 92 2.10 - 2.27 4.7 - 5.2 0.4 - 0.55 Typ. 3.85 - 4.19 12.7 - 14.2 1.22 - 1.32 4.9 - 5.2 Package Outline Dimensions – SO 8 (0.356 - 0.508) (0.406 - 0.270) 0.016 - 0.050 D 0.189 - 0.197 (4.800 - 5.004) SEATING PLAN 0.014 - 0.020 0.150 - 0.157 (3.810 - 3.988) 0.008 - 0.010 (0.203 - 0.254) 8.0 MAX 0.053 - 0.059 (1.346 - 1.753) 0.004 - 0.010 0.228 - 0.244 (5.791 - 6.198) 0.050 (1.270) TYP (0.012 - 0.254) Dimensions are in millimeters
2.5V ADJUSTABLE SHUNT REGULATOR GM431V1.07 Ordering Number GM 431 A T92 R Output Accuracy Package Type Shipping Type APM Gamma Micro Circuit Type A: 0.5% B: 1.0% C: 2.0% T92: TO-92 ST23:SOT-23 ST89: SOT-89 S8: SO-8 B: Bag RL: Ammo Pack (Tape) T: Tube R: Tape & Reel Ordering Number GM 431R A ST23 R Output Accuracy Package Type Shipping Type APM Gamma Micro Circuit Type A: 0.5% B: 1.0% C: 2.0% ST23:SOT-23 R: Tape & Reel