MAX5051AUI+ Maxim Integrated Products, MAX5051AUI+ Datasheet
MAX5051AUI+
Specifications of MAX5051AUI+
Related parts for MAX5051AUI+
MAX5051AUI+ Summary of contents
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... Server Power Supplies 48V Power-Supply Modules 42V Automotive Power Systems Industrial Power Supplies ________________________________________________________________ Maxim Integrated Products For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at 1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com. Power-Supply Controller IC o Wide Input Voltage Range, 11V to 76V ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC ABSOLUTE MAXIMUM RATINGS AVIN, PVIN, XFRMRH to GND................................-0.3V to +80V BST to GND ............................................................-0.3V to +95V BST, DRVH to XFRMRH..........................................-0.3V to +12V REG9, DRVDD, DRVL to GND................................-0.3V to +12V DRVB, LXVDD, LXL, LXH to ...
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Parallelable, Clamped Two-Switch ELECTRICAL CHARACTERISTICS (continued) (AVIN = 12V, PVIN = 12V UVLO C = 4.7µ unless otherwise noted. Typical values are at T REG5 A MIN MAX ence outputs unconnected ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC ELECTRICAL CHARACTERISTICS (continued) (AVIN = 12V, PVIN = 12V UVLO STT C = 4.7µ unless otherwise noted. Typical values are at T REG5 A MIN ...
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Parallelable, Clamped Two-Switch ELECTRICAL CHARACTERISTICS (continued) (AVIN = 12V, PVIN = 12V UVLO C = 4.7µ unless otherwise noted. Typical values are at T REG5 A MIN MAX ence outputs unconnected ...
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Parallelable, Clamped Two-Switch Power-Supply Controller 12V 3V, V AVIN PVIN UVLO STT 4.7µ +25°C, unless otherwise noted.) A AVIN STANDBY CURRENT vs. AVIN SUPPLY VOLTAGE 300 ...
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Parallelable, Clamped Two-Switch ( 12V 3V, V AVIN PVIN UVLO STT 4.7µ +25°C, unless otherwise noted.) A REG5 OUTPUT VOLTAGE vs. TEMPERATURE 5.001 5.000 4.999 4.998 4.997 4.996 4.995 4.994 4.993 ...
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Parallelable, Clamped Two-Switch Power-Supply Controller 12V 3V, V AVIN PVIN UVLO STT 4.7µ +25°C, unless otherwise noted.) A CURRENT-LIMIT THRESHOLD vs. TEMPERATURE 170 165 160 155 150 145 140 ...
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Parallelable, Clamped Two-Switch ( 12V 3V, V AVIN PVIN UVLO STT 4.7µ +25°C, unless otherwise noted.) A CON TO DRVL PROPAGATION DELAY vs. TEMPERATURE 110 50mV OVERDRIVE 105 100 95 90 ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC PIN NAME Synchronous-Pulse Transformer Driver, PMOS Open Drain. LXH is the high-side driver for the secondary- side synchronous-pulse transformer. LXH can also drive a high-speed switching optocoupler. If not 13 LXH used, connect LXH ...
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Parallelable, Clamped Two-Switch 9V PVIN LDO REG9 OK 18R STT R 1.25V 1.125V UVLO 1.25V 1.125V INTERNAL INTERNAL SUPPLY AVIN REGULATOR 1.25V REFERENCE RCOSC OSC SYNCIN SYNCOUT RCFF 2.34V CPWM CON COMP FB 64µA E/A CSS SHDN GND ______________________________________________________________________________________ Power-Supply ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC Detailed Description The MAX5051 controller IC is designed for two-switch forward converter power-supply topologies. It incorpo- rates an advanced set of protection features that makes it uniquely suitable when high reliability and comprehensive fault ...
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Parallelable, Clamped Two-Switch V IN+ C11 0.1µF R12 1MΩ C12 220nF FLTINT GND RCOSC C13 STARTUP MAX5051 100pF RCFF C14 CON 390pF COMP R13 100kΩ R14 24.9kΩ R15 1MΩ R11 39.2kΩ V IN- Figure 2. Typical Application Circuit If the ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC diode is a high-voltage, small-signal Schottky type. It may be helpful to connect a resistor in series with this diode to minimize noise as well as reduce the peak charging currents any ...
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Parallelable, Clamped Two-Switch in control. Thus, the output-voltage slew rate is constant at light or heavy loads. Once the soft-start ends, the voltage on CSS regulates to 1.24V. Do not load CSS with external circuitry. A suitable range of capacitors ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC Normally PVIN is derived from a tertiary winding of the transformer. However, at startup there is no energy delivered through the transformer, hence, a special bootstrap sequence is required. Figure 6 shows the voltages ...
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Parallelable, Clamped Two-Switch Integrating Fault Protection The integrating fault protection feature allows transient overcurrent conditions to be ignored for a programmable amount of time, giving the power supply time to behave like a current source to the load. This can ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC Figure 8. Schematic of a 48V Input 3.3V at 15A Output Synchronously Rectified, Isolated Power Supply 18 ______________________________________________________________________________________ ...
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Parallelable, Clamped Two-Switch LOAD CURRENT (A) Figure 9. Efficiency at Nominal Output Voltage vs. Load Current 48V Nominal Input Voltage R = 0.22Ω L 4ms/div Figure ...
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Parallelable, Clamped Two-Switch Power-Supply Controller IC 2µs/div Figure 13. Output Voltage Ripple At Nominal Input Voltage and Full Load Current (Scope Bandwidth = 20MHz) Pin Configuration TOP VIEW RCOSC 1 SYNCOUT 2 RCFF 3 CON 4 CSS 5 MAX5051 COMP ...
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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. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 21 © 2003 Maxim Integrated Products ...