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Descrizione
Modulatori di regolazione dell'ampiezza degli impulsi - IP2524BJ
INV. INPUT N. I. INPUT 2 OSC. OUTPUT 3 +C.L. SENSE 4 C.L. SENSE CT 7 GROUND 8
FEATURES
Guaranteed ±2% reference voltage tolerance Guaranteed ±6% oscillator tolerance Fully specified temperature performance Guaranteed 10mV/1000 hours long term stability Interchangeable with SG1524 series
J Package 16 Pin Ceramic DIP N Package 16 Pin Plastic DIP D Package 16 Pin Plastic (150) SOIC
Part Number IP2524 IP3524 JPack 16 Pin NPack 16 Pin D16 16 Pin Temp. Range to +70°C Note: To order, add the package identifier to the part number. eg. IP1524J IP3524D16
ABSOLUTE MAXIMUM RATINGS (Tcase = 25°C unless otherwise stated)
+VIN Input Voltage Collector Voltage Output Current Reference Load Current Oscillator Charging Current Shut Down Pin Voltage Current Limit Sense Common Mode Range PD TJ TSTG TL Power Dissipation Power Dissipation = 25°C Derate = 25°C Derate > 25°C (each transistor) +40V 100mA Internally Limited 2W 16mW/°C See Ordering Information to +150°C (soldering, 10 seconds) +300°C
Operating Junction Temperature Storage Temperature Range Lead Temperature
DESCRIPTION
The IP1524 series of PWM switching regulator control circuits contains all the functions required to implement singleended or push-pull switching regulators. Included are voltage reference, error amplifer, oscillator, PWM comparator, output drivers, current limiting and shutdown circuitry. Although functionally indentical to the SG1524 series, SEMELAB has incorporated several improvements to the IP1524 allowing tighter and more complete specification of electrical performance.
+5V COMPARATOR NOR INV. INPUT N.I. INPUT GND (SUBSTRATE) SHUTDOWN
VIN Input Voltage Collector Voltage Error Amp Common Mode Range Output Current Reference Load Current Oscillator Charging Current Oscillator Frequency Range RT CT TAMB Oscillator Timing Resistor Oscillator Timing Capacitor Operating Ambient Temperature Range IP2524 IP3524 (each transistor) to +70°C
Parameter Output Voltage Line Regulation Load Regulation Ripple Rejection Short Circuit Current Temperature Stability Long Term Stability Test Conditions IP1524 IP2524 Min. Typ. Max. Min. IP3524 Typ. Max. Units
+VIN = 120Hz VREF TJ = Over Temp. Range TJ = Over Temp. Range TJ = Over Temp. Range
Initial Accuracy Voltage Stability Temperature Stability Minimum Frequency Maximum Frequency Sawtooth Peak Voltage Sawtooth Valley Voltage Clock Amplitude Clock Pulse Width Input Offset Voltage Input Bias Current Input Offset Current DC Open Loop Gain Output Low Level Output High Level Common Mode Rejection Supply Voltage Rejection Gain Bandwidth Product +VIN = 2.7k +VIN TJ = Over Temp. Range = 0.01µF Output, Pin 3 Output, Pin = 0.01µF
TJ = Over Temp. Range TJ = Over Temp. Range
TJ = Over Temp. Range TJ = Over Temp. Range TJ = Over Temp. Range TJ = Over Temp. Range VPIN2 150mV
1. Test Conditions unless otherwise stated: VIN 20V , IREF 0. 2. VCM +3.4V 3. VCM to +1V
Recensioni
Nessuna recensione trovata