B432 ETC

Document overview

  • Manufacturer or author: Provided By www.digicamel.com(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 5

Technical content

Features

  • Low voltage operation (down to 1.25V)
  • Wide operating current….1mA to 100mA
  • Trimmed bandgap design ± 0.5%
  • Wide temperature range 0°°°°C to +105°°°°C
  • Available in SOT-23-3, TO-92 , 8SOIC
  • Upgrade for TLV431A & Cross AS432

Applications

  • Switching Power Supplies
  • Adjustable Power Supplies
  • Linear Regulators
  • Battery Powered Equipment
  • Monitors, TV, VCR
  • Instrumentation SOT-23-3 (K3) Top View BAY Cathode Anode Ref Bottom View TO-92 (Z) 13 2 Ref Anode Cathode SOT-23-3 (K3) Top View BAY Cathode Anode Ref Bottom View TO-92 (Z) 13 2 Ref Anode Cathode Bay LinearBay LinearBay LinearBay Linear Inspire the Linear PowerInspire the Linear PowerInspire the Linear PowerInspire the Linear Power

Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B432 Absolute Maximum Rating Recommended Operating Conditions Min Max Symbol Cathode Voltage, Vz V REF 15 V Cathode Current, Iz 1.0 100 mA

Electrical Characteristics

Unless specified: T٨25°C. Values in bold apply over full operating ambient temperature. B432 0.5% Parameter Symbol Condition Min Typ Max Units 1.243 1.257 Reference Voltage V REF V Z = VREF1 IZ = 10mA(1) 1.250 V VREF Temp Deviation VDEV V Z = VREF1 IZ = 10mA(1) 2 16 mV Ratio of Change in VREF To Change in VZ Δ VREF ΔVZ IZ = 10mA,ΔVZ = 15V to VRef -1.5 -2.7 mV/V Reference Input Current IREF R1 = 10kΩ , R2 = ∞ , IZ = 10mA(2) 3 6 µA IREF Temperature Deviation IREF(DEV) R1 = 10kΩ , R2 = ∞ , IZ = 10mA(2) 0.3 0.6 µA Off-State Cathode Current IZ (OFF) VREF = 0V, VZ =15V(3) 0.05 500 nA Min Operating Current IZ(MIN) V Z = VREF (1) 0.6 1 mA Parameter Symbol Maximum Units Cathode Voltage V z 18 V Continuous Cathode Current I z 100 mA Power Dissipation at TA - 25°C SOT-23-3 S0-8 TO-92 P D 200 750 775 mW Thermal Resistance SOT-23-3 S0-8 TO-92 O JA 575 175 160 °C/W Operating Junction Temperature Range T J -40 to +150 °C Storage Temperature Range T STG -65 to +150 °C Lead Temperature (Soldering) 10 seconds T LEAD 300 °C ESD Rating (Human Body Model) T ESD 2 kV

Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B432 Unless specified: T٨25°C. Values in bold apply over full operating ambient temperature. B432 1% Parameter Symbol Condition Min Typ Max Units 1.237 1.262 Reference Voltage V REF V Z = VREF1 IZ = 10mA(1) 1.250 V VREF Temp Deviation VDEV V Z = VREF1 IZ = 10mA(1) 2 16 mV Ratio of Change in VREF To Change in VZ Δ VREF ΔVZ IZ = 10mA,ΔVZ = 15V to VRef -1.5 -2.7 mV/V Reference Input Current IREF R1 = 10kΩ , R2 = ∞ , IZ = 10mA(2) 3 6 µA IREF Temperature Deviation IREF(DEV) R1 = 10kΩ , R2 = ∞ , IZ = 10mA(2) 0.3 0.6 µA Off-State Cathode Current IZ (OFF) VREF = 0V, VZ =15V(3) 0.05 500 nA Min Operating Current I Z(MIN) V Z = VREF (1) 0.6 1 mA Unless specified: T٨25°C. Values in bold apply over full operating ambient temperature. B432 2% Parameter Symbol Condition Min Typ Max Units 1.225 1.275 Reference Voltage V REF V Z = VREF1 IZ = 10mA(1) 1.250 V VREF Temp Deviation VDEV V Z = VREF1 IZ = 10mA(1) 2 16 mV Ratio of Change in VREF To Change in VZ Δ VREF ΔVZ IZ = 10mA,ΔVZ = 15V to VRef -1.5 -2.7 mV/V Reference Input Current IREF R1 = 10kΩ , R2 = ∞ , IZ = 10mA(2) 3 6 µA IREF Temperature Deviation IREF(DEV) R1 = 10kΩ , R2 = ∞ , IZ = 10mA(2) 0.3 0.6 µA Off-State Cathode Current IZ (OFF) VREF = 0V, VZ =15V(3) 0.05 500 nA Min Operating Current I Z(MIN) V Z = VREF (1) 0.6 1 mA

Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B432 INTEL I 740 +3.3V 470µF0.1µF PHD 3055E 2.7V +12V 0.1µF B431L 120Ω 140Ω 500Ω 0.1µF 1000µF 0.1µF *If the output voltage has noise, then please add a 0.1µF in between drain and gate of power MOSFET to reduce the noise. Vin Vout IK R1 Iref R VREF Test Circuit for VKA > VREF VO = VKA = VREF x (1 + R1/R2) - IREF x R1 Vin VREF I (OFF) Test Circuit for IOFF 10nf 10nf Vin Vout IKIK R1 Iref R VREF Test Circuit for VKA > VREF VO = VKA = VREF x (1 + R1/R2) - IREF x R1VO = VKA = VREF x (1 + R1/R2) - IREF x R1 Vin VREF I (OFF) Test Circuit for IOFF 10nf 10nf

Bay Linear, Inc 2478 Armstrong Street, Livermore, CA 94550 Tel: (925) 606-5950, Fax: (925) 940-9556 www.baylinear.com B432 SOT-23 Advance Information- These data sheets contain descriptions of products that are in development. The specifications are based on the engineering ca lculations, computer simulations and/ or initial prototype evaluation. Preliminary Information- These data sheets contain minimum and maximum specifications that are based on the initial device characterizations. These lim its are subject to change upon the completion of the full characterization over the specified temperature and supply voltage ranges. The application circuit examples are only to explain the representative applications of the devices and are not intended to gua rantee any circuit design or permit any industrial property right to other rights to execute. Bay Linear takes no responsibility for any problems related to any industrial property right resulting from the use of the contents shown in the data book. Typical parameters can and do vary in different applications. Customer’s technical experts must validate all operating parameters including “ Typical” for each customer application. LIFE SUPPORT AND NUCLEAR POLICY Bay Linear products are not authorized for and should not be used within life support systems which are intended for surgical implants into the body to support or sustain life, in aircraft, space equipment, submarine, or nuclear facility applications without the specific written consent of Bay Linear President. 0.015 - 0.018 (0.381 - 0.457) 0.020 - 0.024 (0.508 - 0.610) 0.110 - 0.120 (2.794 - 3.048) 0.001 - 0.004 (0.025 - 0.102) 0.030 - 0.041 (0.762 - 1.041) 0.018 - 0.024 (0.457 - 0.610) 0.070 - 0.080 (1.778 - 2.032) 0.035 - 0.040 (0.889 - 1.016) 0.047 - 0.055 (1.194 - 1.397) 0.083 - 0.098 (2.108 - 2.489) 0.003 - 0.005 (0.076 - 0.127)