AIC1580LCS Analog Intergrations Corporation, AIC1580LCS Datasheet
AIC1580LCS
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AIC1580LCS Summary of contents
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FEATURES Operation Voltage up to 15V. Simple Voltage-Mode PWM Control. Fast Transient Response. 2V and 1.3V ± 2% Feedback Voltage Reference Option. Adjustable Current Limit without External Sense Resistors. 200KHz Free-Running Oscillator. Short-Circuit Protection with Low Short Circuit Output Current. ...
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... R7 6.04K VID0 R8 30.1K VID1 R4 15.0K VID2 R3 7.5K VID3 Switching Regulator for Pentium ORDER NUMBER AIC1580CN AIC1580LCN (PLASTIC DIP) AIC1580CS AIC1580LCS (PLASTIC SO) *C1 MUST BE VERY CLOSE TO VCC PIN VCC M1 UDRI PHASE IR3303 GND 3.01K V AIC1580/L PIN CONFIGURATION ...
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Table 1. Output Voltage Program VID3 ABSOLUTE MAXIMUM RATINGS Supply Voltage, V ....…...………............................…………......................................... 15V CC Input, Output, or I/O Voltage ...............………………....……......... GND - 0.3V ...
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ELECTRICAL CHARACTERISTICS specified.) PARAMETER VCC Supply Current Nominal Supply Power-On Reset V Threshold CC Oscillator Frequency Duty Cycle Internal Reference Voltage Reference Voltage Error Amplifier DC Gain Gain-Bandwidth Product Slew Rate Gate Driver Upper Gate Source Upper Gate Sink Protection ...
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TYPICAL PERFORMANCE CHARACTERISTICS Efficiency vs. Load Current 100 Vo=3. (A) OUT Over-Current Operation Transient Response Vo=1.3V 200 Vo=2.0V 198 196 194 192 ...
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BLOCK DIAGRAM SD Built-In Soft Start REF FB COMP PIN DESCRIPTIONS PIN 1: OCSET - Current limit sense pin. Connect a resistor R OCSET the drain MOSFET. R OCSET 200 µ A current source (I and the external MOSFET on- ...
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APPLICATION CIRCUIT C9 1000P R2 CLSET SD COMP C7 33P 90.9K 1000P R7 13K PHYSICAL DIMENSIONS 8 LEAD PLASTIC SO (unit: mm *C1 1µF *C1 must be very close 2.2K ...
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LEAD PLASTIC DIP (unit: mm SYMBOL AIC1580/L MIN MAX 0.381 — 2.92 4.96 0.35 0.56 0.20 0.36 9.01 10.16 ...