CS1500_1 CIRRUS [Cirrus Logic], CS1500_1 Datasheet
CS1500_1
Related parts for CS1500_1
CS1500_1 Summary of contents
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Digital Power Factor Correction IC Features & Description Digital EMI Noise Shaping Excellent Efficiency Under All Load Conditions Minimal External Devices Required Optimized Digital Loop Compensation Comprehensive Safety Features • Undervoltage Lockout (UVLO) • Output ...
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Pin Name Pin # I STBY 2 IN IAC GND OUT VDD CONFIDENTIAL Table 1. Pin Descriptions NC — No connections Remote On/Off Control ...
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CHARACTERISTICS AND SPECIFICATIONS 1.1 Absolute Maximum Ratings Pin Symbol Supply Voltage DD 1,2,3,4,8 - Analog Input Maximum Voltage 3,4 - Analog Input Maximum Current 6 V Gate Drive Output Voltage Gate Drive Output ...
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Parameter 2,3 Feedback & Protection 1 Reference Current Output Voltage at Startup Mode Output Voltage at Normal Mode Overvoltage Protection Threshold Overvoltage Protection Hysteresis 2,4 Overpower Protection Threshold 2,4 Overpower Protection Recovery Input Brownout Protection Threshold Input Brownout Recovery Threshold ...
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TYPICAL ELECTRICAL PERFORMANCE 3 kHz SW(max °C 2 1.5 1 0.5 Falling (V) DD Figure 1. Supply ...
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Operating 1.6 1.4 1.2 1.0 0.8 0.6 0.4 0.2 Start-up Standby 0 - TEMP ( C) Figure 5. Supply Current ( Sink -60 -40 - ...
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INTRODUCTION NC 8 IAC 3 VDD The CS1500 digital power factor controller operates in variable on-time, variable frequency, discontinuous conduction mode (DCM). The CS1500 uses a proprietary digital algorithm to maximize the efficiency and ...
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PFC Operating Frequency One key feature of the CS1500 is its operating frequency profile. Figure 10 illustrates how the frequency varies over half cycle of the line voltage in steady-state operation. When power is first applied to the CS1500, ...
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P o [W] Burst Threshold Burst Mode Active V in PFC V [V] in Disable Figure 14. Burst Modes 3.4 Output Power and PFC Boost Inductor Maximum output power in normal mode is defined by the following equation: V – ...
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It is recommended that a ceramic capacitor 2 placed between the IAC pin and the VDD pin to filter noise in the ...
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R is about 150 s in the CS1500. If the PFC input sense resistor R AC GND), the current reference signal supplied to ...
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APPLICATION EXAMPLE The following sections describe an example application. The example is based upon the typical connection diagram illustrated in Figure 21 BR1 C1 AC Mains C2 4.1 PFC for Power Supply Application The following design example ...
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PFC Input Filter Capacitor To achieve unity power factor, a DCM PFC circuit needs an input filtering circuit to bypass the high-frequency current so that the input current consists of the low-frequency portion only. There are two main factors ...
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----------------------------------------------------------------------------------------- - C = out hold 2 V out rip ------------------------ - V – link the ...
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Summary of Component Values Designator R1a R1b R2a R2b BR1 CS1500 DS849A7 CONFIDENTIAL Value 1.5 M 1.5 M 1.5 M 1.5 M 4.7 0.47 F 0.47 F 100 F, 450V 4A, ...
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PERFORMANCE PLOTS 100 100 Vin = 115 CONFIDENTIAL Vin=230V Vin=115V Load (%) Figure ...
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DS849A7 CONFIDENTIAL Vin = 115 Vin = 230 Load (% ) Figure 24. Power Factor vs. Load, Typical CS1500 100 17 ...
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Figure 25. Load Transient — 20% to 80% ( 240 mA), 0.8 A/ sec Slew, 90 VAC Figure 26. Load Transient — 20% to 80% ( 240 mA), 0.8 A/ sec Slew, 260 VAC 18 CONFIDENTIAL ...
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Figure 28. Overload — 240 mA to 500 mA, 265 VAC DS849A7 CONFIDENTIAL Figure 27. Overload — 240 mA to 500 mA, 90 VAC CS1500 19 ...
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DEFINITIONS Variable The efficiency factor. A margin factor to guarantee rated power against tolerances and transients. f The minimum AC line frequency. line(min) I The current generated The current generated The ...
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PACKAGE DRAWING 8L SOIC (150 MIL BODY) PACKAGE DRAWING 1 b SEATING PLANE e DIM ORDERING INFORMATION Part # CS1500-FSZ 9. ENVIRONMENTAL, MANUFACTURING, & HANDLING INFORMATION Model Number CS1500-FSZ ...
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HISTORY Revision Date A1 APR 2009 A2 JUN 2009 A3 DEC 2009 A4 MAR 2010 A5 MAY 2010 A6 MAY 2010 A7 JUL 2010 Contacting Cirrus Logic Support For all product questions and inquiries contact a Cirrus Logic Sales ...