MAX5072EVKIT Maxim Integrated Products, MAX5072EVKIT Datasheet
MAX5072EVKIT
Specifications of MAX5072EVKIT
Related parts for MAX5072EVKIT
MAX5072EVKIT Summary of contents
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... Exposed pad. Ordering Information continued 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. ♦ 4.5V to 5.5V or 5.5V to 23V Input Supply Voltage Range ♦ ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ABSOLUTE MAXIMUM RATINGS V+ to PGND............................................................-0.3V to +25V SGND to PGND .....................................................-0.3V to +0. SGND...................-0.3V to the lower of +6V or (V+ + 0.3V) BST1/VDD1, BST2/VDD2, DRAIN_, ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ELECTRICAL CHARACTERISTICS (continued 5.5V to 23V, EN_ = VL, SYNC = GND 10kΩ (circuit of Figure 1), T ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ELECTRICAL CHARACTERISTICS (continued 5.5V to 23V, EN_ = VL, SYNC = GND 10kΩ (circuit of Figure 1), T ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ELECTRICAL CHARACTERISTICS (continued 5.5V to 23V, EN_ = VL, SYNC = GND 10kΩ (circuit of Figure 1), T ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ( 5.2V +25°C, unless otherwise noted.) A OUTPUT1 EFFICIENCY (BUCK CONVERTER) vs. LOAD CURRENT 100 ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ( 5.2V +25°C, unless otherwise noted.) A LINE-TRANSIENT RESPONSE (BUCK CONVERTER) MAX5072 toc10 V IN 5V/div 3.3V/1.5A OUT1 AC-COUPLED 200mV/div V ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ( 5.2V +25°C, unless otherwise noted.) A EXTERNAL SYNCHRONIZATION 200ns/div V+ SWITCHING SUPPLY CURRENT (I vs. TEMPERATURE 2.2MHz SW 25 ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ( 5.2V +25°C, unless otherwise noted.) A MANUAL RESET (MR) 100ms/div PIN NAME Clock Output. CLKOUT is 45° phase-shifted with respect to converter 2 ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output PIN NAME Oscillator Frequency Set Input. Connect a resistor from OSC to SGND (R frequency (see the Oscillator section). Set R 11 OSC input frequency when using external synchronization ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output PIN NAME Power Ground. Connect rectifier diode anode, input capacitor negative, output capacitor negative, and 28, 30 PGND VL bypass capacitor returns to PGND. 29 SGND ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output Detailed Description The MAX5072 converter uses a pulse-width modulation (PWM) voltage-mode control scheme for each out-of- phase controller nonsynchronous rectification and uses an external low-forward-drop Schottky diode ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output V+ MAX5072 CONVERTER 1 OSCILLATOR BYPASS FREQUENCY F_SEL1 VREF DIVIDER DIGITAL EN1 SOFT-START V CC SYNC MAIN CKO OSCILLATOR OSC MR PFI OSCILLATOR EN2 Figure 2. Functional Diagram ______________________________________________________________________________________ ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output V IN DRAIN2 OUTPUT2 SOURCE2 DUTY CYCLE = 50% SYNC CLKIN MASTER SYNC CLKOUT (MASTER) CLKOUT (SLAVE) SOURCE1 (MASTER) SYNC PHASE SOURCE2 (MASTER) SOURCE1 (SLAVE) SOURCE2 (SLAVE) C (RIPPLE) ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output Input Voltage (V+)/Internal Linear All internal control circuitry operates from an internally regulated nominal voltage of 5.2V (VL). At higher input voltages (V+) of 5.5V to 23V ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output DRAIN2 DRAIN1 OUTPUT2 SOURCE2 SOURCE1 MAX5072 FB2 FB1 VL EN2 EN1 PGOOD1 SEQUENCING—OUTPUT 2 DELAYED WITH RESPECT TO OUTPUT 1. Figure 4. Power-Supply Sequencing Configurations Dying ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output In deep overload or short-circuit conditions when the FB voltage drops below 0.4V, the switching frequency is reduced to 1 provide sufficient time for the SW ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output For output voltages below 0.8V, set the MAX5072 out- put voltage by connecting a voltage-divider from the output to FB_ to BYPASS (Figure 6). Select R BYPASS resistor) higher ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ripple of 100mV or less, yielding an ESR and capaci- tance value of 20mΩ and 6.8µF for 1.25MHz frequency. Use a 100µF capacitor at low input voltages to avoid ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output I D ∆ × × f × SW ∆ V ESR ESR = I ∆ L where ( ) V − V × IN ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output V × I × INMAX For the boost converter +(I RMS ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output ZERO ESR , 2 π × ESR π × × OUT OUT Calculate the unity-gain crossover frequency as: f ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output The transconductance error-amplifier gain is × The total loop gain at f should be equal × G ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output f ZERO RHP , f ≤ π × R × C Place a zero ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output Layout Procedure 1) Place the power components first, with ground ter- minals adjacent (inductor, C IN_ all these connections on the top layer with wide, copper-filled areas (2oz copper ...
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Dual-Output Buck or Boost Converter with POR and Power-Fail Output (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information go to www.maxim-ic.com/packages.) 26 ______________________________________________________________________________________ Package Information ...
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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 ____________________ 27 © 2006 Maxim Integrated Products Package Information (continued registered trademark of Maxim Integrated Products, Inc ...