Datasheet SG1524, SG2524, SG3524 (Microchip)

SG1524/SG2524/SG3524 Regulating Pulse Width Modulator
Description Features  This monolithic integrated circuit contains all the control 8V to 40V Operation circuitry for a regulating power supply inverter or switching  5V Reference regulator. Included in a 16-pin dual-in-line package is the  Reference Line and Load Regulation of 0.4% voltage reference, error amplifier, oscillator, pulse width  100Hz to 300kHz Oscillator Range modulator, pulse steering flip-flop, dual alternating output  Excellent External Sync Capability switches and current limiting and shut-down circuitry. This  Dual 50mA Output Transistors device can be used for switching regulators of either  Current Limit Circuitry polarity, transformer coupled DC to DC converters,  Complete PWM Power Control Circuitry transformerless voltage doublers and polarity converters, as  Single Ended or Push-Pull Outputs well as other power applications. The SG1524 is specified  Total Supply Current less than 10mA for operation over the full military ambient temperature range of -55°C to +125°C, the SG2524 for -25°C to +85°C, High Reliability Features and the SG3524 is designed for commercial applications of Following are the high reliability features of SG1524: 0°C to +70°C.  Available to MIL-STD-883, ¶ 1.2.1  MIL-M38510/12601BEA SG1524J-JAN  MSC-AMS Level “S” Processing Available  Available to DSCC - Standard Microcircuit Drawing (SMD) Block Diagram
Figure 1 ·
Block Diagram
February 2015 Rev. 1.2 www.microsemi.com
1 © 2015 Microsemi Corporation Document Outline Regulating Pulse Width Modulator Description Features High Reliability Features Block Diagram Absolute Maximum Ratings Thermal Data Recommended Operating Conditions Electrical Characteristics Electrical Characteristics (Continued) Application Notes Application Notes (Continued) Connection Diagrams and Ordering Information Package Outline Dimensions Package Outline Dimensions (continued)