max5035ausat Maxim Integrated Products, Inc., max5035ausat Datasheet
max5035ausat
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max5035ausat Summary of contents
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Rev 2; 5/04 1A, 76V, High-Efficiency MAXPower General Description The MAX5035 easy-to-use, high-efficiency, high-volt- age, step-down DC-DC converter operates from an input voltage up to 76V and consumes only 270µA qui- escent current at no load. This pulse-width modulated ...
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High-Efficiency MAXPower Step-Down DC-DC Converter ABSOLUTE MAXIMUM RATINGS (Voltages referenced to GND, unless otherwise specified.) V .........................................................................-0.3V to +80V IN SGND ....................................................................-0.3V to +0.3V LX.................................................................-0. BST ...............................................................-0. BST (transient < 100ns) ................................-0. ...
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High-Efficiency MAXPower ELECTRICAL CHARACTERISTICS (continued) (MAX5035_U_ +12V +12V ON/OFF OUT Typical Application Circuit.) PARAMETER SYMBOL PFM Threshold FB Input Bias Current ON/OFF CONTROL INPUT ON/OFF Input-Voltage Threshold V ...
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High-Efficiency MAXPower Step-Down DC-DC Converter ELECTRICAL CHARACTERISTICS (MAX5035_A_ +12V +12V ON/OFF OUT the Typical Application Circuit.) (Note 2) PARAMETER SYMBOL Efficiency Quiescent Supply Current Shutdown Current I SHDN ...
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High-Efficiency MAXPower (V = 12V 12V -40°C to +125°C, unless otherwise noted. Typical values are ON/OFF A Application Circuit, if applicable.) V vs. TEMPERATURE OUT (MAX5035AASA 3.3V) OUT 3.40 ...
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High-Efficiency MAXPower Step-Down DC-DC Converter (V = 12V 12V -40°C to +125°C, unless otherwise noted. Typical values are ON/OFF A Application Circuit, if applicable.) EFFICIENCY vs. LOAD CURRENT (MAX5035AASA ...
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High-Efficiency MAXPower (V = 12V 12V -40°C to +125°C, unless otherwise noted. Typical values are ON/OFF A Application Circuit, if applicable.) OUTPUT VOLTAGE vs. INPUT VOLTAGE 15 MAX5035DASA V = 12V ...
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High-Efficiency MAXPower Step-Down DC-DC Converter (V = 12V 12V -40°C to +125°C, unless otherwise noted. Typical values are ON/OFF A Application Circuit, if applicable.) MAX5035DASA LX WAVEFORMS 4µs/div A: SWITCH VOLTAGE ...
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High-Efficiency MAXPower PIN NAME 1 BST Boost Capacitor Connection. Connect a 0.1µF ceramic capacitor from BST to LX Internal Regulator Output. Bypass VD to GND with a 0.1µF ceramic capacitor. 3 SGND Internal Connection. SGND must ...
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High-Efficiency MAXPower Step-Down DC-DC Converter Detailed Description The MAX5035 step-down DC-DC converter operates from a 7.5V to 76V input voltage range. A unique volt- age-mode control scheme with voltage feed-forward and an internal switching DMOS FET provides high ...
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High-Efficiency MAXPower The MAX5035 features internal compensation for opti- mum closed-loop bandwidth and phase margin. With the preset compensation strongly advised to sense the output immediately after the primary LC. Inductor Selection The choice of an ...
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High-Efficiency MAXPower Step-Down DC-DC Converter Ensure that the ripple specification of the input capaci- tor exceeds the worst-case capacitor RMS ripple cur- rent. Use the following equations to calculate the input capacitor RMS current ...
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High-Efficiency MAXPower ground configuration). A ground plane is required. Minimize lead lengths to reduce stray capacitance, trace resistance, and radiated noise. In particular, place the Schottky rectifier diode right next to the Figure 2. ...
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High-Efficiency MAXPower Step-Down DC-DC Converter Table 2. Typical External Components Selection (Circuit of Figure 2) (continued) V ( OUT 3 3 ______________________________________________________________________________________ (A) EXTERNAL ...
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High-Efficiency MAXPower Table 3. Component Suppliers SUPPLIER AVX Coilcraft Diodes Incorporated Panasonic Sanyo TDK Vishay V IN 12V C 68µF *LOCATE PTC AS CLOSE TO HEAT-DISSIPATING COMPONENTS AS POSSIBLE. Figure 3. Load Temperature Monitoring with ON/ ______________________________________________________________________________________ Step-Down ...
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High-Efficiency MAXPower Step-Down DC-DC Converter V IN 7.5V TO 36V C IN 68µ 68µF Figure 4. Dual-Sequenced DC-DC Converters (Startup Delay Determined by R1/R1’, Ct/Ct’ and Rt/Rt’) 16 ______________________________________________________________________________________ MAX5035B FB R1 BST ON/OFF 0.1µF V ...
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High-Efficiency MAXPower (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages TOP VIEW FRONT VIEW ______________________________________________________________________________________ Step-Down DC-DC ...
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High-Efficiency MAXPower Step-Down DC-DC Converter (The package drawing(s) in this data sheet may not reflect the most current specifications. For the latest package outline information www.maxim-ic.com/packages.) Maxim cannot assume responsibility for use of any circuitry other ...