CA723 INTERSIL | Alldatasheet

Document overview

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  • PDF pages: 9

Technical content

Features

  • Up to 150mA Output Current
  • Positive and Negative Voltage Regulation
  • Regulation in Excess of 10A with Suitable Pass Transistors
  • Input and Output Short-Circuit Protection
  • Direct Replacement for 723 and 723C Industry Types

Applications

  • Series and Shunt Voltage Regulator
  • Floating Regulator
  • Switching Voltage Regulator
  • High-Current Voltage Regulator
  • Temperature Controller Pinouts CA723 (PDIP) TOP VIEW CA723C (CAN) TOP VIEW

Ordering Information

TEMP. RANGE (oC) PACKAGE PKG. NO. CA0723E -55 to 125 14 Ld PDIP E14.3 CA0723T -55 to 125 10 Pin Can T10.C CA0723CE 0 to 70 14 Ld PDIP E14.3 NC NON-INV INPUT VREF CURRENT SENSE CURRENT LIMIT INV INPUT VC VO VZ NC NC FREQ COMP INPUT V+ UNREG AMP ERROR VOLT REF TAB CURRENT LIMIT NON-INV INPUT INV INPUT CURRENT SENSE FREQ COMP VREF VO 7 VC 1 9 UNREG INPUT V-, (CASE INTERNALLY CONNECTED TO TERM 5) AMP ERROR VOLT REF Data Sheet April 1999 CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures. http://www.intersil.com or 407-727-9207| Copyright © Intersil Corporation 1999

FIGURE 1. EQUIVALENT SCHEMATIC DIAGRAM OF THE CA723 AND CA723C

Absolute Maximum Ratings Thermal Information (Between V+ and V- Terminals) Pulse Voltage for 50ms Differential Input Voltage Current From Zener Diode Terminal (V Operating Conditions Thermal Resistance (Typical, Note 1)θJA (oC/W) θJC (oC/W) Device Dissipation At a distance 1/16”± 1/32” (1.59mm± 0.79mm) from case for 10s Max CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operationo ft h e device at these or any other conditions above those indicated in the operational sections of this specification is not implied. NOTE: 1. θJA is measured with the component mounted on an evaluation PC board in free air. Unless Otherwise Specified. Divider impedance R1 R2 ÷ R 1 + R2 at noninverting input, Terminal 5 = 10kΩ . (Figure 20) PARAMETER TEST CONDITION CA723 CA723C UNITSMIN TYP MAX MIN TYP MAX DC CHARACTERISTICS Quiescent Regulator Current, I Q IL = 0, VI = 30V - 2.3 3.5 - 2.3 4 mA Input Voltage Range, VI 9.5 - 40 9.5 - 40 V Output Voltage Range, VO 2 - 37 2 - 37 V Differential Input-Output Voltage, VI - VO 3 - 38 3 - 38 V Line Regulation (Note 2) V I = 12V to 40V - 0.02 0.2 - 0.1 0.5 % V O VI = 12V to 15V - 0.01 0.1 - 0.01 0.1 % V O VI = 12V to 15V, TA = -55oC to 125oC VI = 12V to 15V, TA = 0oC to 70oC Load Regulation (Note 2) I L = 1mA to 50mA - 0.03 0.15 - 0.03 0.2 % V O IL = 1mA to 50mA, TA = -55oC to 125oC IL = 1mA to 50mA, TA = 0oC to 70oC Output-Voltage Temperature Coefficient, ΔVO TA = -55oC to 125oC - 0.002 0.015 - - - %/ oC TA = 0oC to 70oC - - - - 0.003 0.015 %/ oC Ripple Rejection (Note 3) f = 50Hz to 10kHz - 74 - - 74 - dB f = 50Hz to 10kHz, C REF = 5µF -8 6- -8 6- d B Short Circuit Limiting Current, ILIM R SCP = 10Ω , VO = 0 - 65 - - 65 - mA CA723, CA723C

FIGURE 12. CURRENT LIMITING CHARACTERISTICS FIGURE 13. QUIESCENT CURRENT vs INPUT VOLTAGE FIGURE 14. LOAD REGULATION vs DIFFERENTIAL INPUT- FIGURE 15. LINE REGULATION vs DIFFERENTIAL INPUT- FIGURE 16. LINE TRANSIENT RESPONSE FIGURE 17. CURRENT LIMITING CHARACTERISTIC vs

10 OUTPUT VOLTAGE DEVIATION (mA)

FIGURE 18. LOAD TRANSIENT RESPONSE FIGURE 19. OUTPUT IMPEDANCE vs FREQUENCY

10 INPUT VOLTAGE (VI) = 12V

FIGURE 20. LOW VOLTAGE REGULATOR CIRCUIT FIGURE 21. HIGH VOLTAGE REGULATOR CIRCUIT