RL431 ORISTER | Alldatasheet

Document overview

  • Manufacturer or author: Provided By ALLDATASHEET.COM(FREE DATASHEET DOWNLOAD SITE)
  • PDF pages: 7

Technical content

Features

  • Programmable output voltage
  • Temperature coefficient is 50ppm/oC typical
  • Temperature compensated for operation over full temperature range
  • Low output noise voltage
  • Fast turn on response Absolute Maximum Ratings (Operating temperature range applies unless otherwise specified) Characteristics Symbol Value Unit Cathode Voltage V KA 36 V Cathode Current Range (Continuous) I K -100~+150 mA Reference Input Current Range I REF 0.05~+10 mA SOT-23 280 Power Dissipation P D TO-92 770 mW Operating Temperature Range (Max.) T opr -40~+120 * oC Storage Temperature Range T stg -65~+150 oC *. RL431CN, RL431CA Operating Conditions Characteristics Symbol Min. Max. Unit Cathode Voltage V KA V REF 36 V Cathode Current Range (Continuous) I K 1 100 mA RL431 Series Pin Assignment 3-Lead Plastic SOT-23 Package Code: N Pin 1: Reference Pin 2: Cathode Pin 3: Anode 1 2 3-Lead Plastic TO-92 Package Code: A Pin 1: Reference Pin 2: Anode Pin 3: Cathode 1 2 3

Page No. : 2/2 DS-RS431L-01 October, 2006 www.Orister.com Functional Block Diagram & Symbol Test Circuits Electrical Characteristics (TA=25oC unless otherwise specified) Characteristics Symbol Test Conditions Min Typ Max Unit RL431BN/BA (1.0%) 2.470 2.495 2.520Reference Input Voltage (Fig1) RL431CN/CA (0.5%) VREF V K=VREF, IK=10mA 2.483 2.495 2.507 V Deviation of Reference Input Voltage Over-Temperature (Fig1) VREF(dev) VK=VREF, IK=10mA Tmin≤Ta≤Tmax - 4 17 mV IK=10mA, ΔVK=10V to VREF - -1.4 -2.7 mV/V Ratio of Change in Reference Input Voltage to the Change in Cathode Voltage (Fig2) ΔVREF / ΔVK IK=10mA, ΔVK=36V to 10V - -1.0 -2.0 mV/V Reference Input Current (Fig2) I REF IK=10mA, R1=10kΩ, R2=∞ - 2 4 uA Deviation of Reference Input Current Over Full Temperature Range (Fig2) IREF(dev) IK=10mA, R1=10kΩ, R2=∞, Ta=Full Range - 0.4 1.2 uA Minimum Cathode Current for Regulation (Fig1) IK(min) V K=VREF - 0.4 1.0 mA Off-State Cathode Current (Fig3) I K(off) V K=36V, VREF=0 - 0.1 1.0 uA Dynamic Output Impedance (Fig1) Z K VK=VREF, f≤1kHz IK=1 to 100mA - 0.2 0.5 Ω Functional Block Diagram Symbol Fig 1. VK=VREF Fig 2. VK>VREF Fig 3. Off-State Current Reference Anode Cathode IN V K II IREF VREF IK II VKIN IREF IK R2 VREF Note: VK=VREF(1+R1/R2)+IREFxR1 IN V K IOFF V Anode Reference Cathode REF

Page No. : 3/3 DS-RS431L-01 October, 2006 www.Orister.com Characteristics Curve Small Signal Voltage Amplification & Frequency -10 1000 10000 100000 1000000 10000000 Frequency (Hz) Voltage Amplification (dB) Cathode Current & Cathode Voltage -100 -75 -50 -25 100 125 150 -2 -1 0 1 2 3 Cathode Voltage (V) Cathode Current (mA) VK=VREF, Ta=25oC Test Circuit (Fig1) Change in Reference Input Voltage & Cathode Voltage -40 -35 -30 -25 -20 -15 -10 0 1 02 03 04 05 0 Cathode Voltage (V) Change in Reference Input Voltage (mV) IK=10mA, Ta=25oC Test Circuits (Fig2) Reference Input Voltage & Temperature 2.40 2.42 2.44 2.46 2.48 2.50 2.52 2.54 2.56 2.58 -40 -20 0 20 40 60 80 100 120 Temperature (oC) Reference Input Voltage (V) VK=VREF, IK=10mA Test Circuit (Fig1) Cathode Current & Cathode Voltage -400 -200 200 400 600 800 1000 -2 -1 0 1 2 3 Cathode Voltage (V) Cathode Current (uA) VK=VREF, Ta=25oC Test Circuit (Fig1) 8.2K 15K Vout Ik 10uF 240 GND

Page No. : 4/4 DS-RS431L-01 October, 2006 www.Orister.com Typical Application Fig 4. Shunt Regulator Fig 5. High Current Shunt Regulator Fig 6. Output Control of a Three-Terminal Fixed Regulator Fig 7. Series Pass Regulator Fig 8. Current Limiter or Current Source Fig 9. Constant Current Sink Vout Vcc AX7805 IN OUT COMMON VoutVcc VoutVcc Vout=(1+R1/R2)VREF Vout=(1+R1/R2)VREF Vout=(1+R1/R2)VREF; Vout(min)=VREF+5V VoutVcc Vout=(1+R1/R2)VREF; Vout(min)=VREF+VBE RCL Vcc Iout Iout=VREF/RCL Rs Vcc Isink Isink=VREF/RS

Page No. : 5/5 DS-RS431L-01 October, 2006 www.Orister.com SOT-23 Dimension TO-92 Dimension

Ordering Information

Package VREF: 2.5±1% VREF: 2.5±0.5% SOT-23 RL431BN RL431CN TO-92 RL431BA RL431CA A D B C I α1 E GH F DIM Min. Max. A 4.33 4.83 B 4.33 4.83 C 12.70 - D 0.36 0.56 E - *1.27 F 3.36 3.76 G 0.36 0.56 H - *2.54 I - *1.27 α1 - *5° α2 - *2° α3 - *2° *: Typical, Unit: mm Marking: Control Code Date Code R A 4 3 1 S L Note: Green label is used for pb-free packing Pin Style: 1.Reference 2.Anode 3.Cathode Material:

  • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free)
  • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 3-Lead TO-92 Plastic Package Package Code: A H JKD A L GV C B S DIM Min. Max. A 2.80 3.04 B 1.20 1.60 C 0.89 1.30 D 0.30 0.50 G 1.70 2.30 H 0.013 0.10 J 0.085 0.177 K 0.32 0.67 L 0.85 1.15 S 2.10 2.75 V 0.25 0.65 *: Typical, Unit: mm Marking: 43 1 L Note: Pb-free product can distinguish by the green label or the extra description on the right side of the label. Pin Style: 1.Reference 2.Cathode 3.Anode Material:
  • Lead solder plating: Sn60/Pb40 (Normal), Sn/3.0Ag/0.5Cu or Pure-Tin (Pb-free)
  • Mold Compound: Epoxy resin family, flammability solid burning class: UL94V-0 3-Lead SOT-23 Plastic Surface Mounted Package Package Code: N

Page No. : 6/6 DS-RS431L-01 October, 2006 www.Orister.com Soldering Methods for Orister’s Products 1. Storage environment: Temperature=10oC~35oC Humidity=65%±15% 2. Reflow soldering of surface-mount devices Profile Feature Sn-Pb Eutectic Assembly Pb-Free Assembly Average ramp-up rate (TL to TP) <3 oC/sec <3 oC/sec Preheat - Temperature Min (Tsmin) - Temperature Max (Tsmax) - Time (min to max) (ts) 100oC 150oC 60~120 sec 150oC 200oC 60~180 sec Tsmax to TL - Ramp-up Rate <3oC/sec <3oC/sec Time maintained above: - Temperature (T - Time (tL) 183oC 60~150 sec 217oC 60~150 sec Peak Temperature (TP) 240 oC +0/-5oC 260 oC +0/-5oC Time within 5oC of actual Peak Temperature (tP) 10~30 sec 20~40 sec Ramp-down Rate <6 oC/sec <6 oC/sec Time 25oC to Peak Temperature <6 minutes <8 minutes 3. Flow (wave) soldering (solder dipping) Products Peak temperature Dipping time Pb devices. 245oC ±5oC 5sec ±1sec Pb-Free devices. 260 oC +0/-5oC 5sec ±1sec Figure 1: Temperature profile tP tL Ramp-down Ramp-up Tsmax Tsmin Critical Zone TL to TP tS Preheat TL TP t 25oC to Peak Time Temperature

Page No. : 7/7 DS-RS431L-01 October, 2006 www.Orister.com Important Notice:

  • All rights are reserved. Reproduction in whole or in part is prohibited without the prior written approval of Orister Corporation.
  • Orister Corporation reserves the right to make changes to its products without notice.
  • Orister Corporation products are not warranted to be suitable for use in Life-Support Applications, or systems.
  • Orister Corporation assumes no liability for any consequence of customer product design, infringement of patents, or application assistance.