GM432 GAMMA | Alldatasheet

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Features

Low-voltage operation, down to 1.24V 0.5%, 1% or 2% reference voltage tolerance Adjustable output voltage, V = V to 16VO ref Sink Current Capability 80µA to 100mA Low dynamic output impedance, 0.05W typical Wide temperature range, 0° to +70°C Pin-to-pin replacement for TLV431, SC431L Available in SOT-23, SOT-25, SOT-89, TO-92 and SOP-8 GM432 V0.11 www.gammamicro.com 1 A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management

  1. REF 2. Anode 3. Cathode SOT-23 XXXYW SOT-23 SOT-25 SOP-8 SOT-89 SOT-23 SOT-25 TO-92 TO-92 SOP-8 SOT-89 SOT-23 SOT-25 TO-92 TO-92 SOP-8 MAA MAA MAB MAB MAC MAC MAA MAA MAB MAB MAB MAB MAC MAC MAC 3,000 Units/T ape &Reel 3,000 Units/T ape &Reel 2,500 /Tape & ReelUnits 1,000 / Tape & ReelUnits GM432AST23R GM432AST25R GM432BST23R GM432BST25R GM432CST23R GM432CST25R GM432AS8R GM432BS8R GM432CS8R GM432AST89R GM432BST89R 0.5% 0.5% TO-92 TO-92 MAA MAA A A 1,000 Units/ ESD Bag 2,000 Units/ Ammo Pack(T ape) GM432AT92B GM432BT92B GM432CT92B GM432AT92RL GM432BT92RL GM432CT92RL 0.5% 0.5% 0.5% 0.5% 3,000 /T ape &ReelUnits 3,000 /T ape &ReelUnits 2,500 /Tape & ReelUnits 1,000 / Tape & ReelUnits 2,000 Units/ Ammo Pack(T ape) 3,000 /T ape &ReelUnits 3,000 /T ape &ReelUnits 2,500 /Tape & ReelUnits 2,000 Units/ Ammo Pack(T ape) B B C C XXX = Marking Code G** = Grade A = Assembly Location Y = Year WW, W= Weekly XXXYW ANODE REF SOT-25(SOT -23-5) Device code Grade Package Shipping Ordering Number Precision SOP-8 2 3 4 8 7 6 5 ANODE REF ANODE NC CATHODE ANODE NC ANODE GM432G AYWW MARKING INFORMATION & PIN CONFIGURATIONS (TOP VIEW) GM432

ORDERING INFORMATION

1,000 Units/ ESD Bag 1,000 Units/ ESD Bag SOT-89MACGM432CST89R 2% 1,000 / Tape & ReelUnits * For detail Ordering Number identification, please see last page. **Grade A: indicates Precision of 0.5%, B: indicates Precision of 1%, C: indicates Precision of 2% A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management

These are stress ratings only. Functional operation of the device at these or any conditions beyond the "recommended operating conditions" is not implied. Exposure to absolute maximum rated conditions may affect device reliability. NOTES: 1. Voltage values are with respect to the anode except as noted. 2. Maximum power dissipation is a function of T , q and T . Maximum allowable power dissipation at any allowable ambient temperature is J(max) JA A P = (T - T )/ q . D J(max) AJ A 3. Package thermal impedance is calculated per JESD 51. RECOMMENDED OPERA TING CONDITIONS PARAMETER SYMBOL VALUE UNIT 20 V Continuous cathode current I K 100 mA Reference input current range Iref 3 mA Power dissipation at T = 25°CA SOT-23 SOP-8 TO-92 Operating ambient temperature range T A 0 to + 70 °C Lead temperature (soldering) 10 seconds TLEAD 260 P D 0.37 0.49 0.95 W q JA 336 256 132 °C/W (1) Cathode Voltage Package thermal impedance (2, 3) SOT-23 SOT-25 TO-92 SOP-8 VKA PARAMETER SYMBOL MINIMUM MAXIMUM UNIT Cathode Voltage V KA V ref 16 V Cathode Current IK 80µA 100 mA ABSOLUTE MAXIMUM RATINGS (over free-air temperature range except as noted) GM432 A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management

ELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise noted)A GM432A (0.5%) PARAMETER CONDITION MIN TYP MAX UNIT Reference input Voltage Vref 1.234 1.222 1.240 1.246 1.258 V (1) V = V , I = 10 mA, T = 25°C KA ref K A (1) V =V ,I =10 mA,T = 0 to +70°C KA ref K A V temp deviation ref Vdev (1) V = V , I = 10 mA KA ref K 10 25 mV Ratio of change in Vref to change in V KA I = 10mA, DV = 16V to V K KA ref -1.0- 2.7 mV/V Reference input current Iref (2) I = 10mA, R1 = 10KW, R2 = K 0.15 0.5 mA Deviation of reference input voltage over full temperature range Iref(dev) (2) I = 10mA, R1 = 10KW, R2 = K T = full range A 0.1 0.4 mA Minimum operating current IK(min) (1) V= V KA ref 80 mA Off-state cathode current IK(off) (3) V = 6V, V = 0V KA ref 0.125 0.150 (3) V = 16V, V = 0V KA ref Dynamic impedance | Z |KA (1) f 1kHz,V =V , I =100mA to 100mA KA ref K 0.05 0.15 W DVref DVKA mA PARAMETER CONDITION MIN TYP MAX UNIT Reference input Voltage Vref (1) V = V , I = 10 mA, T = 25°C KA ref K A 1.228 1.215 1.240 1.252 1.258 V (1) V =V ,I =10 mA,T = 0 to +70°C KA ref K A V temp deviationref Vdev (1) V = V , I = 10 mA KA ref K 10 25 mV Ratio of change in Vref to change in V KA I = 10mA, DV = 16V to V K KA ref mV/V Reference input current Iref (2) I = 10mA, R1 = 10KW, R2 = K 0.15 0.5 mA Iref(dev) (2) I = 10mA, R1 = 10KW, R2 = K T = full range A 0.1 0.4 mA Minimum operating current IK(min) (1) V= V KA ref 80 mA Off-state cathode current IK(off) (3) V = 6V, V = 0V KA ref 0.125 0.135 0.150 0.150 (3) V = 16V, V = 0V KA ref Dynamic impedance | Z |KA (1) f 1kHz,V =V , I =100mA to 100mA KA ref K 0.05 0.15 W DVref DVKA mA GM432B (1.0%) NOTES: (1) See test circuit 1 on page 4. (2) See test circuit 2 on page 4. (3) See test circuit 3 on page 4. 0.135 0.150 GM432 GM432A (0.5%) Deviation of reference input voltage over full temperature range -1.0- 2.7 A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management

ELECTRICAL CHARACTERISTICS (T = 25°C unless otherwise noted)A GM432C (2.0%) PARAMETER CONDITION MIN TYP MAX UNIT Reference input Voltage Vref 1.215 1.200 1.240 1.265 1.280 V (1) V = V , I = 10 mA, T = 25°C AKA ref K (1) V =V ,I =10 mA,T = 0 to +70°C KA ref K A V temp deviationref Vdev (1) V = V , I = 10 mA KA ref K 35 mV Ratio of change in Vref to change in V KA I = 10mA, DV = 16V to V K KA ref mV/V Reference input current Iref (2) I = 10mA, R1 = 10KW, R2 = K 0.15 0.5 mA Iref(dev) (2) I = 10mA, R1 = 10KW, R2 = K T = full range A 0.1 0.4 mA Minimum operating current IK(min) (1) V= V KA ref 80 mA Off-state cathode current IK(off) 0.125 0.135 0.150 0.150 Dynamic impedance | Z |KA (1) f 1kHz,V =V , I =100mA to 100mA KA ref K 0.05 0.15 W DVref DVKA mA NOTES: (1) See test circuit 1. (2) See test circuit 2. (3) See test circuit 3. (3) V = 6V, V = 0V KA ref (3) V = 16V, V = 0V KA ref GM432 Deviation of reference input voltage over full temperature range -1.0- 2.7 A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS TEST CIRCUITS VIN V KA l k Test Circuit 1 V = VKA ref l ref VIN V KA Vref l ref Test Circuit 2 V > VKA ref l (off)k VIN V KA Test Circuit 3 Off-State V ref V ref Power Management

Stability Boundary Conditions A Note About Stability When using the GM432 as a shunt regulator, you can optimize stability by setting C either (1) no load ca-L pacitance across the GM432, decouple at the load; or (2) large capacitance across the GM432, optional de- coupling at the load. The GM432 can become unsta- ble with capacitances of approximately 10nF to 1µF when cathode currents are less than 3mA or so, with instability increasing as cathode current is reduced. So, while the GM432 is happily stable at, for example, cathode current of 10mA with a 0.1µF capacitor across it, it can oscillate transiently as the cathode cur- rent rises through the region of instability. T o avoid this problem completely, simply eliminate the capaci- tor or select a very low or very high (e.g. 10µF) capac- itor C . Since you will probably want local decoupling L at the load, the best idea is to use no capacitance across the device. Just the resistance and capaci- tance of the PCB traces and vias will prevent local load decoupling from causing transient oscillation dur- ing start-up. If you place the GM432 right next to the load, with the load decoupling capacitor directly across it, you must use a capacitor of nF or 10µF. R GM432 CL IK C - Load Capacitance - µFL Tantalum Capacitors * Stability boundary condition test shows that tantalum capacitors are recommended to minimize the conditions that may cause the device to oscillate. 0.001 0.01 0.1 1 10 C - Load Capacitance - µFL Tantalum Capacitors Cathode Current-mA T =25°CA V= VKA ref Stable V =2VKA V =3VKA 1.0 0.8 0.6 0.4 0.2 0.001 0.01 0.1 1 10 Cathode Current-mA For V = 2 & 3VKA Device does not Oscillate T =25°CA Stable V= VKA ref GM432 A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management

SOT-25(SOT -23-5) P ACKAGE OUTLINE DIMENSIONS Pad Layout 2.9 ± 0.1 0.074 1.9 0.037 0.95 0.037 0.95 0.094 2.4 0.028 0.7 Inches mm ( ) 1.9 ± 0.05 0.95 ± 0.038 2.8 ± 0.1 1.5 ± 0.05 0.65 ± 0.05 0.35 ± 0.03 0.13 0~0.1 0.8 ± 0.05 1.10 ± 0.1 5° 5° 0.039 1.0 A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS 0.275 7.0 0.155 4.0 0.060 1.52 0.050 1.270 0.024 0.6 Inches mm( ) Pad Layout SOP-8 P ACKAGE OUTLINE DIMENSIONS 0.236 ± 0.008

0.050 NOM

1.270 NOM

+0.21 -0.205.990 3.91 ± 0.1 +0.003 -0.0040.154 PIN INDENT 1.600 ± 0.130 0.063 ± 0.005

0.057 NOM

1.450 NOM

0.175 ± 0.075 0.007 ± 0.003 +0.004 -0.0030.016 +0.10 -0.080.410 +0.0018 -0.00050.008 +0.05 -0.010.200 +0.013 -0.0220.028 +0.33 -0.560.710 +0.002 -0.0040.191 +0.05 -0.104.850 Inches mm( ) 0 ~ 8°° Power Management

SOT-89 PACKAGE OUTLINE DIMENSIONS Pad Layout 45° 1.5 1.5 0.7 4.50 ± 0.05 Units: mm1.650 REF

1.400 REF

4.20 ± 0.05 1.00 ± 0.07 2.5 ± 0.05 0.46 ± 0.025 3.00 ± 0.025 1.50 1.50 1.50 ± 0.05 0.38 ± 0.01 R 0.13~3X NO DRAFT~2 R 0.1 MAX 6°~2X 6°~2X R 0.13~2X R 0.13~2X Unit: mm R 0.13~4X TO-92 P ACKAGE OUTLINE DIMENSIONS 4.6 ± 0.1 4.6 ± 0.1 2.3 3 - 0.46 1.45 ± 0.1 14.5 ± 0.5 1.27 1.27 2° 2° 2° 2° 3.6 ± 0.15 0.38 ± 0.015 3.6 ± 0.15 1.3 ± 0.1 Unit: mm A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management

Gamma Micro. Circuit Type Voltage Tolerance A: 0.5% B: 1.0% C: 2.0% Package T92: TO-92 ST23: SOT-23 ST25: SOT-25 S8: SOP-8 Shipping B : ESD Bag RL: Ammo Pack (Tape) R: Tape & Reel T: Tube GM432 A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management

A A MICROELECTRONICS GM432 1.24V ADJUSTABLE PRECISION SHUNT REGULATORS Power Management GM432