MAX15046BAEE+ Maxim Integrated Products, MAX15046BAEE+ Datasheet
MAX15046BAEE+
Specifications of MAX15046BAEE+
Related parts for MAX15046BAEE+
MAX15046BAEE+ Summary of contents
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... Power-Good (PGOOD) Output and Enable Input S (EN) with Q5% Accurate Threshold Thermally Enhanced 16-Pin QSOP Package S Industrial Power Supplies (PLC, Industrial Computers, Fieldbus Components, Fieldbus Couplers) Telecom Power Supplies Base Stations PART MAX15046AAEE+ MAX15046BAEE+ + Denotes a lead(Pb)-free/RoHS-compliant package. *EP = Exposed pad CSP MAX15046 PGOOD LX ...
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High-Performance, Synchronous Buck Controller ABSOLUTE MAXIMUM RATINGS IN to GND ..............................................................-0.3V to +45V V to GND ..................... -0.3V to lower EN, DRV to GND .....................................................-0.3V to +6V PGOOD to GND ....................................................-0.3V to +45V PGND to GND ...
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High-Performance, Synchronous ELECTRICAL CHARACTERISTICS (continued 24V 5V GND PGND noted. Typical values are +25NC.) (Note 2) A PARAMETER V Minimum Voltage COMP-RAMP COMP Source/Sink Current ENABLE (EN) ...
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High-Performance Synchronous Buck Controller ELECTRICAL CHARACTERISTICS (continued 24V 5V GND PGND noted. Typical values are +25NC.) (Note 2) A PARAMETER DL Peak Current DH, DL Break-Before-Make Time ...
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High-Performance Synchronous (V = 24V +25NC, unless otherwise noted EFFICIENCY vs. LOAD CURRENT (V = 24V) IN 100 3.3V V OUT = 1.8V 60 OUT V = 1.2V OUT V ...
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High-Performance, Synchronous Buck Controller (V = 24V +25NC, unless otherwise noted LIM REFERENCE CURRENT vs. TEMPERATURE -40 -25 - ...
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High-Performance, Synchronous (V = 24V +25NC, unless otherwise noted STARTUP WITH PREBIASED OUTPUT (2V) MAX15046 toc15c 24V IN 10V/div 2V V OUT 2V/div PGOOD 5V/div V = 3.3V OUT 4ms/div DH_ AND DL_ DISOVERLAP MAX15046 ...
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High-Performance, Synchronous Buck Controller PIN NAME Regulator Input. Connect to the input rail of the buck converter. Bypass IN to PGND with a 100nF 1 IN minimum ceramic capacitor. When operating in the 5V Q10% range, connect IN to ...
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High-Performance, Synchronous VREF OSCILLATOR RT ENABLE COMPARATOR EN EN_INT VREF BGAP_OK BANDGAP BGAP_OK V_BGAP OK GENERATOR VIN_OK INTERNAL V_BGAP VOLTAGE REGULATOR VL_OK UVLO BGAP_OK VDRV_OK DRV BGAP_OK UVLO V_DRV THERMAL VIN_OK SHUTDOWN SHUTDOWN AND ILIM ...
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High-Performance, Synchronous Buck Controller Detailed Description The MAX15046 synchronous step-down controller oper- ates from a 4.5V to 40V input-voltage range and gener- ates an adjustable output voltage from 85% of the input- voltage down to 0.6V while supporting loads ...
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High-Performance, Synchronous to function properly. The stray impedance in the gate discharge path can cause the sense circuitry to interpret the MOSFET gate as “off” while the V is still high. To minimize stray impedance, use very short, wide ...
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High-Performance, Synchronous Buck Controller When the valley current limit is reached during soft-start, the MAX15046 regulates to the output impedance times the limited inductor current and turns off after 4096 clock cycles. When starting up into a large capacitive ...
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High-Performance, Synchronous MAX15046 stops both DL and DH drivers and waits for 4096 switching cycles (hiccup timeout delay) before attempting a new soft-start sequence. The hiccup-mode protection remains active during the soft-start time. Undervoltage Lockout The MAX15046 provides an ...
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High-Performance, Synchronous Buck Controller Setting the Switching Frequency An external resistor connecting RT to GND sets the switching frequency (f ). The relationship between f SW and R is: RT 17.3 10 × ...
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High-Performance, Synchronous Connect an external resistor (R LIM to adjust the current-limit threshold, which is temper- ature-compensated with a temperature coefficient of 2300ppm/NC. The relationship between the current-limit threshold (V ) and R is: ITH LIM × ...
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High-Performance, Synchronous Buck Controller Compensation Design The MAX15046 provides an internal transconductance amplifier with the inverting input and the output available for external frequency compensation. The flexibility of external compensation offers wide selection of output filtering components, especially the ...
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High-Performance, Synchronous The total loop gain, which is the product of the modulator gain and the error-amplifier gain at f × GAIN GAIN 1 MOD ESR IN FB × × ...
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High-Performance, Synchronous Buck Controller So π × R × 0 The gain of the modulator (GAIN the pulse-width modulator, LC filter, feedback divider, and associated circuitry at crossover frequency is: V ...
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High-Performance, Synchronous OUT REF Figure 4. Type III Compensation Network overall thermal budget. Ensure that the DL gate driver can drive the low-side ...
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High-Performance, Synchronous Buck Controller PCB Layout Guidelines Careful PCB layout is critical to achieve clean and stable operation. The switching power stage requires particular attention. Follow these guidelines for good PCB layout: 1) Place decoupling capacitors as close as ...
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High-Performance, Synchronous V IN +24V C1 100FF R7 51kI ON OFF R9 32.4kI C13 68pF R8 C15 22.6kI 15pF C14 1500pF Q1: VISHAY SILICONIX Si7850DP Q2: VISHAY SILICONIX Si7460DP D1: DIODES INC. ZHCS506 L1: VISHAY IHLP-4040PZ ER1R5M C1: PANASONIC ...
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High-Performance, Synchronous Buck Controller V IN +4.5V TO +5. PGOOD ENABLE AUX +4.5V TO +5. PGOOD ENABLE _____________________________________________________________________________________ Typical Application Circuits (continued) TYPICAL ...
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High-Performance, Synchronous TOP VIEW + PGOOD 3 MAX15046A EN 4 LIM 5 COMP QSOP Chip Information PROCESS: BiCMOS ______________________________________________________________________________________ 16 CSP PGOOD BST ...
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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 2010 Maxim Integrated Products © ...