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MFG:250 D/C:CDIP
Part Number: SG1524
MFG: 250
D/C: CDIP
Description: This monolithic integrated circuit contains all the control circuitry for a regulating power supply in...
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SG1524
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DataSheet
General Description
SG1524 General 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 alternating output switches and current limiting and shut-down circuitry. This device can be used for switching regulators of either polarity, transformer coupled DC to DC converters, transformerless voltage doublers and polarity converters, as well as other power applications. The SG1524 is specified for operation over the full military ambient temperature range of -55 to +125, the SG2524 for -25 to +85, and the SG3524 is designed for commercial applications of 0to +70.
SG1524 Maximum Ratings
Input Voltage (+VIN) ........................................................ 42V
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
Oscillator Charging Current ...............................................5mA
Operating Junction Temperature
Hermetic (J, L Packages) ................................................. 150
Plastic (N, D Packages) ................................................... 150
Storage Temperature Range ..............................-65 to 150
Lead Temperature (Soldering, 10 seconds) .................... 300
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
Oscillator Charging Current ...............................................5mA
Operating Junction Temperature
Hermetic (J, L Packages) ................................................. 150
Plastic (N, D Packages) ................................................... 150
Storage Temperature Range ..............................-65 to 150
Lead Temperature (Soldering, 10 seconds) .................... 300
SG1524 Features
· 8V to 40V operation
· 5V reference
· Reference line and load regulation of 0.4%
· Reference temperature coefficient < ± 1%
· 100Hz to 300KHz oscillator range
· Excellent external sync capability
· Dual 50mA output transistors
· Current limit circuitry
· Complete PWM power control circuitry
· Single ended or push-pull outputs
· Total supply current less than 10mA
· 5V reference
· Reference line and load regulation of 0.4%
· Reference temperature coefficient < ± 1%
· 100Hz to 300KHz oscillator range
· Excellent external sync capability
· Dual 50mA output transistors
· Current limit circuitry
· Complete PWM power control circuitry
· Single ended or push-pull outputs
· Total supply current less than 10mA
SG1524 Typical Application
If the current limit function is not used onthe SG1524, the common-mode voltage range restriction requires both current sense pins to be grounded.
SG1524 Connection Diagram
SG1524
PDF/DataSheet Download
- Datasheet: SG1524
- File Size: 84707 KB
- Manufacturer: MICROSEMI [Microsemi Corporation]
- Click here to Download
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