MAX5068AAUE+T Maxim Integrated Products, MAX5068AAUE+T Datasheet
MAX5068AAUE+T
Specifications of MAX5068AAUE+T
Related parts for MAX5068AAUE+T
MAX5068AAUE+T Summary of contents
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... Networking System Power Supplies Server Power Supplies Industrial Power Conversion Selector Guide appears at end of data sheet. ________________________________________________________________ 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. ♦ Current-Mode Control with 47µA (typ) Startup Current ♦ ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator ABSOLUTE MAXIMUM RATINGS IN to PGND ............................................................-0.3V to +30V IN to AGND.............................................................-0.3V to +30V V to PGND..........................................................-0.3V to +13V AGND..........................................................-0.3V to +13V CC FB, COMP, CS, HYST, SYNC, REG5 ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator ELECTRICAL CHARACTERISTICS (continued +12V for the MAX5068B/E/ 1µ 100kΩ; NDRV = floating; T VCC RT PARAMETER SYMBOL CS Input Bias Current CS Blanking ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator ELECTRICAL CHARACTERISTICS (continued +12V for the MAX5068B/E/ 1µ 100kΩ; NDRV = floating; T VCC RT PARAMETER SYMBOL NDRV Switching Frequency f RT Voltage ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator (V = +12V for the MAX5068B/E/ 1µ 100kΩ; NDRV = floating; V VCC RT BOOTSTRAP UVLO WAKE-UP LEVEL vs. TEMPERATURE 21.6 MAX5068A/C/D 21.5 21.4 21.3 21.2 ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator (V = +12V for the MAX5068B/E/ 1µ 100kΩ; NDRV = floating; V VCC RT REG5 OUTPUT VOLTAGE vs 4.985 I = 100µA REG5 ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator (V = +12V for the MAX5068B/E/ 1µ 100kΩ; NDRV = floating; V VCC RT FLTINT CURRENT vs. TEMPERATURE 63.0 62.9 62.8 62.7 62.6 62.5 62.4 62.3 ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator PIN MAX5068A MAX5068C MAX5068D MAX5068B MAX5068E MAX5068F — 3 — 2 — ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator Detailed Description The MAX5068 is a current-mode PWM controller for use in isolated and nonisolated power-supply applications. A bootstrap UVLO with a programmable hysteresis, very low startup, and low operating current result ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator Figure 1. Nonisolated Power Supply with Programmable Input Supply Voltage Use the MAX5068C/D/E/F in forward converter applica- tions with greater than 50% duty ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator MAX5068C/E 1.23V 1.18V Figure 2. Setting the MAX5068C/E Undervoltage Lockout Threshold MAX5068A/B/D/F UVLO with Programmable Hysteresis In addition to programmable undervoltage lockout dur- ing startup, the MAX5068A/B/D/F incorporate a UVLO/EN hysteresis that ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator During startup, the UVLO circuit keeps the PWM com- parator, ILIM comparator, oscillator, and output driver shut down to reduce current consumption. Once V reaches 23.6V, the UVLO circuit turns on both ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator FLTINT C3 MAX5068A REG5 SYNC AGND Figure 6. Secondary-Side, Regulated, Isolated Power Supply Assuming C1 > C3, calculate ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator Use the following formula to calculate the internal oscil- lator frequency osc R RT where f is the oscillator frequency and R OSC resistor connected from RT to ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator where I = 60µ the desired fault-integra- FLTINT SH tion time during which current-limit events from the cur- rent-limit comparator are ignored. For example, a 0.1µF capacitor gives a fault-integration ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator optimally compensated, the current loop responds to input-voltage transients within one cycle. The current-sense resistor (R ), connected between CS the source of the MOSFET and ground, sets the current limit. The ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator FLTINT C3 MAX5068C REG5 SYNC AGND PART MAX DUTY BOOTSTRAP NUMBER CYCLE UVLO MAX5068A 50% Yes MAX5068B 50% No ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator HYST* UVLO/EN UVLO 1.23V/ 1.18V 2.8V/ 1.6V 60µA Q FLTINT CURENT-LIMIT COMPARATOR 314mV 5kΩ CS 70ns AGND BLANKING ***SCOMP COMPENSATION DIGITAL 1.23V SOFT-START FB *MAX5068A/B/D AND MAX5068F ONLY. **MAX5068A/B/C AND MAX5068E ONLY. ...
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High-Frequency, Current-Mode PWM Controller with Accurate Programmable Oscillator TOP VIEW RT 1 SYNC 2 SCOMP 3 MAX5068C UVLO/ COMP 7 FLTINT 8 TSSOP-EP ______________________________________________________________________________________ Pin Configurations (continued REG5 HYST 2 ...
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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. 20 ____________________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 ...