SG1524J/883B Microsemi Corporation, SG1524J/883B Datasheet
SG1524J/883B
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SG1524J/883B Summary of contents
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DESCRIPTION This monolithic integrated circuit contains all the control circuitry for a regulating power supply inverter or switching regulator. Included in a 16- pin dual-in-line package is the voltage reference, error amplifier, oscillator, pulse width modulator, pulse steering flip-flop, dual ...
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ABSOLUTE MAXIMUM RATINGS Input Voltage (+V ) ............................................................. 42V IN Collector Voltage ................................................................ 40V Logic Inputs ........................................................... -0.3V to 5.5V Current Limit Sense Inputs ................................... -0.3V to 0.3V Output Current (each transistor) .................................... 100mA Reference Load Current .................................................. 50mA Note ...
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ELECTRICAL CHARACTERISTICS Parameter Oscillator Section (Note 4) Initial Accuracy Voltage Stability Maximum Frequency Sawtooth Peak Voltage Sawtooth Valley Voltage Clock Amplitude Clock Pulse Width Error Amplifier Section (Note 5) Input Offset Voltage Input Bias Current Input Offset Current DC Open ...
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APPLICATION NOTES OSCILLATOR The oscillator in the SG1524 uses an external resistor R establish a constant charging current into an external capacitor C . While this uses more current than a series-connected RC provides a linear ramp voltage ...
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APPLICATION NOTES (continued) CURRENT LIMITING The current limiting circuitry of the SG1524 is shown in Figure 3. By matching the base-emitter voltages of Q1 and Q2, and assuming a negligible voltage drop across R1: C.L. Threshold = V (Q1) + ...
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... CONNECTION DIAGRAMS & ORDERING INFORMATION Package Part No. 16-PIN CERAMIC DIP SG1524J/883B J - PACKAGE JAN1524J SG1524J/DESC SG1524J SG2524J SG3524J 16-PIN PLASTIC DIP SG2524N N - PACKAGE SG3524N 16-PIN NARROW BODY SG2524D PLASTIC S.O.I.C. SG3524D D - PACKAGE 20-PIN CERAMIC SG1524L/883B LEADLESS CHIP CARRIER SG1524L L- PACKAGE Note 1. Contact factory for JAN and DESC product availablity. ...