MAX5042ATN Maxim Integrated, MAX5042ATN Datasheet
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MAX5042ATN
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MAX5042ATN Summary of contents
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... Integrated Look-Ahead Signal Output Drives High-Speed Optocoupler for Secondary-Side Synchronous Rectification ♦ >90% Efficiency with Synchronous Rectification ♦ 500kHz Switching Frequency ♦ High-Power, Small-Footprint 56-Pin Thermally Enhanced QFN Package Applications PART MAX5042ATN MAX5043ETN PART MAX5042 MAX5043 Features Ordering Information TEMP RANGE PIN-PACKAGE -40° ...
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... Continuous Power Dissipation (T 56-Pin Thin QFN (derate 47.6mW/°C above +70°C) .......3.8W Junction to Ambient Thermal Resistance, θ Operating Temperature Range MAX5042ATN ................................................-40°C to +125°C MAX5043ETN ..................................................-40°C to +85°C Junction Temperature ......................................................+150°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300°C ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller ELECTRICAL CHARACTERISTICS (V = 20V to 76V 18V, C POSINPWM REG15 0.22µ 10kΩ 0.22µF, V DRVDEL DRVDEL otherwise noted. Typical values are at V ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller ELECTRICAL CHARACTERISTICS (continued 20V to 76V 18V, C POSINPWM REG15 0.22µ 10kΩ 0.22µF, V DRVDEL DRVDEL otherwise noted. Typical values are at ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller ELECTRICAL CHARACTERISTICS (continued 20V to 76V 18V, C POSINPWM REG15 0.22µ 10kΩ 0.22µF, V DRVDEL DRVDEL otherwise noted. Typical values are at ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller ELECTRICAL CHARACTERISTICS (continued 20V to 76V 18V, C POSINPWM REG15 0.22µ 10kΩ 0.22µF, V DRVDEL DRVDEL otherwise noted. Typical values are at ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller (V = 20V +25°C, unless otherwise noted.) POSINPWM A HOT-SWAP UNDERVOLTAGE LOCKOUT THRESHOLD vs. TEMPERATURE RISING POSINHS FALLING POSINHS 27 26 ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller (V = 20V +25°C, unless otherwise noted.) POSINPWM A MAXIMUM DUTY CYCLE vs. TEMPERATURE MEASURED AT XFRMRL 46 -50 - ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller (V = 20V +25°C, unless otherwise noted.) POSINPWM A CURRENT-LIMIT THRESHOLD vs. TEMPERATURE 160 158 156 154 152 150 -50 - 100 TEMPERATURE (°C) ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller PIN NAME MAX5042 MAX5043 1, 2, 14, 15 14, 15, N.C. 40, 42–45, 56 40, 42–45 RCFF 4 4 RAMP 5 5 OPTO 6 6 ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller PIN NAME MAX5042 MAX5043 HSOK 26 — 27 — HSEN 28, 29 — NEGIN 30 — HSGATE 31 — HSDRAIN 32 32 CSOUT 33 33 CSP 34 34 CSN 26, ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller PIN NAME MAX5042 MAX5043 47 25, 47 POSINPWM 48, 51, 54, 55 48, 51, 54, 55 DRNH 49, 50, 52, 53 49, 50, 52, 53 XFRMRH — 27 DEN — ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller +V POSINPWM MAX5043 BULK STORAGE CAPACITOR PWM CIRCUIT WITH INTEGRATED FETs QL PWMNEG Figure 2. Simplified Diagram of a MAX5043-Based Isolated Power Supply Set the switching ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller MAX5042 41 REG15 39 REG5 REG5 (5V) REG5 OK REG15 OK 38 REG9 3 RCFF 5V IFLT 80µA Q OVRLD 11 FLTINT 2.3V/1.6V 4 RAMP CPWM 5 OPTO 5V 32µA ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller MAX5043 41 REG15 39 REG5 REG5 (5V) REG5 OK 38 REG9 3 RCFF 5V IFLT 80µA OVRLD 11 FLTINT 2.3V/1.6V 4 RAMP CPWM 5 OPTO 5V 32µA 6 CSS 7.5V ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller where R is the external high-side resistor external low-side resistor the internal high-side Hi resistor (1.2MΩ, typ the internal low-side resistor Le (50kΩ, typ), ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller Maximize the signal-to-noise ratio by setting the ramp peak as high as possible. Calculate the low-frequency, small-signal gain of the power stage (the gain from the inverting input of the ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller I FLTINT ≅ C FLTINT where I = 80µA, FLTINT t is the desired ignore time during which current-limit sh events from the current-limit comparator are ignored. ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller Determining Hot-Swap Inrush Current Calculate the hot-swap inrush current using the follow- ing formula: dV HSDRAIN = where the load capacitance, IN ...
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Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller V IN+ 32V TO 72V C1 R12 220µF 200kΩ 100V 1% R22 10kΩ R13 0.68µF C13 1MΩ C25 0.22µF 100V 1µF R14 R20 C9 C12 10kΩ 10kΩ 220pF 0.1µF PWMNEG ...
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... Two-Switch Power ICs with Integrated Power MOSFETs and Hot-Swap Controller TOP VIEW N.C. 1 N.C. 2 RCFF 3 RAMP 4 OPTO 5 CSS 6 BST 7 MAX5042ATN DRVIN 8 PWMPNEG 9 RCOSC 10 FLTINT 11 SYNC 12 PWMSD 13 N. THIN QFN EXPOSED PADDLE CONNECTED TO NEGIN. ...
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... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 22 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2004 Maxim Integrated Products Printed USA is a registered trademark of Maxim Integrated Products ...