MAX8598ETE+ Maxim Integrated Products, MAX8598ETE+ Datasheet
MAX8598ETE+
Specifications of MAX8598ETE+
Related parts for MAX8598ETE+
MAX8598ETE+ Summary of contents
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... Adjustable Hiccup Current Limit for Output Short-Circuit Protection ♦ Output Overvoltage Protection (MAX8599) ♦ Small, Low-Profile Thin QFN Package PART MAX8597ETP MAX8597ETP+ MAX8598ETE MAX8598ETE+ MAX8599ETE Applications MAX8599ETE+ +Denotes lead-free package. Pin Configurations appear at end of data sheet. Features Ordering Information TEMP RANGE PIN-PACKAGE 20 Thin QFN 4mm x 4mm -40° ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers ABSOLUTE MAXIMUM RATINGS V+, ILIM to GND .....................................................-0.3V to +30V AVL GND........................................................-0.3V to +6V PGND to GND .......................................................-0.3V to +0.3V FB, EN, POK, AIN-, AIN+, REFIN to GND ................-0.3V to +6V AOUT, REFOUT, FREQ, ...
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ELECTRICAL CHARACTERISTICS (continued 5V AVL EN REFIN V - 0.2V 0.65V, GND = PGND = 0V unless otherwise noted.) PARAMETER DH Minimum ...
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... CURRENT-LIMIT COMPARATOR (all current limits are tested at V ILIM Sink Current V ILIM Comparator Input Offset Voltage Error SOFT-START Soft-Start Source Current V SS Soft-Start Sink Current V SS Dual Mode is a trademark of Maxim Integrated Products, Inc. 4 _______________________________________________________________________________________ = 6V 1V 4.7µF, C BST LX VL REFOUT = 0.01µ 20kΩ ...
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ELECTRICAL CHARACTERISTICS (continued 5V AVL EN REFIN V - 0.2V 0.65V, GND = PGND = 0V unless otherwise noted.) (Note 1) PARAMETER ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers ELECTRICAL CHARACTERISTICS (continued 5V AVL EN REFIN V - 0.2V 0.65V, GND = PGND = 0V unless otherwise ...
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Figure +25°C, 500kHz switching frequency OUTPUT PREBIASED STARTUP OUT 1ms/div OUTPUT VOLTAGE vs 12V ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers (Circuit of Figure +25°C, 500kHz switching frequency 50% LOAD STEP AT 5A/µs V OUT (AC-COUPLED) I OUT 40µs/div SHORT-CIRCUIT RESPONSE V OUT 4ms/div 8 _______________________________________________________________________________________ Typical Operating ...
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Low-Dropout, Wide-Input-Voltage, FREQ OSC 1V P-P BIAS AVL COMP GND OVP (MAX8599) AOUT (MAX8597) AIN+ (MAX8597) AIN- (MAX8597) _______________________________________________________________________________________ Step-Down Controllers MAX8597 MAX8598 MAX8599 CONTROL LOGIC PWM 1/20 COUNTER REFERENCE V REG SOFT-START EAMP UVP 1. REG 0.7 ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers PIN NAME MAX8598/ MAX8597 MAX8599 Filtered VL Input. Connect to VL through a 10Ω resistor. Bypass to GND with a 0.22µF or larger 1 1 AVL ceramic capacitor. External Reference Input. FB tracks the voltage input ...
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PIN NAME MAX8598/ MAX8597 MAX8599 Frequency Adjust Input. Connect a resistor from FREQ to GND to set the switching frequency FREQ The range of the FREQ resistor is 14.3kΩ to 100kΩ (corresponding to 1400kHz to 200kHz). Output of ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers current ramps down through the low-side MOSFET body diode; 20ns after DH goes low, the low-side MOSFET turns on, resulting in a lower voltage drop to increase effi- ciency. The low-side MOSFET turns off at the ...
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MAX8598/MAX8599 Only) The power-OK signal (POK open-drain output that goes high impedance when FB is above 91% of its nom- inal threshold. There is an eight clock-cycle delay before POK goes high impedance. For 500kHz switching fre- ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers V (10.8V TO 13.2V OFF AVL R4 V (0V TO 5V) 100kΩ ADJ C15 R5 0.01µF 32.4kΩ 0.033µF R6 48.7kΩ R9 6.04kΩ R7 48.7kΩ 4.7pF R12 R10 47kΩ 820pF 93.1kΩ R11 5.1kΩ C10 ...
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V (10.8V TO 13.2V OFF REFIN R3 70kΩ D2 CMPD914 R4 18.2kΩ R5 6.98kΩ R6 10kΩ R7 390Ω R8 5.6kΩ 8200pF C10 1000pF Figure 3. MAX8597 1MHz Tracking Supply with Clamp (Output voltage tracks V REFIN from ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers Setting the Output Voltage Fixed Output Voltage The output voltage is set by a resistor-divider network from the output to GND with FB at the center tap (R4 and R5 in Figure 4). Select R4 between ...
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I has a maximum value when the input voltage RMS equals twice the output voltage ( Ceramic capacitors are recom- RMS(MAX) LOAD mended due to their low ESR and ESL at high frequen- cy, with ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers where R is the high-side MOSFET driver’s average DH on-resistance (1.25Ω typ) and R GATE gate resistance of the MOSFET (typically 0.5Ω to 2Ω): HSDR gs GS ...
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R2 ILIM DS(ON Figure 5. Adding RC for More Accurate Sensing the MOSFET the inductance from the drain to the source lead. Alternately, to save board space and cost, the RC net- works ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers When the output capacitor is comprised of paralleling n number of the same capacitors, then EACH and ESR ESR_EACH Thus, the resulting f is the same as ...
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Case 2: Crossover frequency is greater than the output-capacitor ESR zero (f > The modulator gain MOD(FC) MOD(DC) P_LC Since the output-capacitor ESR-zero frequency is high- er than the ...
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Low-Dropout, Wide-Input-Voltage, Step-Down Controllers Applications Information PC Board Layout Guide Careful PC board layout is critical to achieve low switching losses and clean, stable operation. The switching power stage requires particular attention. Follow these guidelines for good PC board layout: ...
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For the latest package outline information www.maxim-ic.com/packages.) ______________________________________________________________________________________ Low-Dropout, Wide-Input-Voltage, Step-Down Controllers Package Information PACKAGE OUTLINE, 12, 16, 20, 24, 28L THIN QFN, 4x4x0.8mm ...
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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. 24 ____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 2005 Maxim Integrated Products ...