MAX5080ATE+T Maxim Integrated Products, MAX5080ATE+T Datasheet
MAX5080ATE+T
Specifications of MAX5080ATE+T
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MAX5080ATE+T Summary of contents
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... PGND Typical Operating Circuits 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. 1A, 40V, MAXPower Step-Down ♦ 4.5V to 40V (MAX5080) or 7.5V to 40V (MAX5081) Input Voltage Range ♦ ...
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MAXPower Step-Down DC-DC Converters ABSOLUTE MAXIMUM RATINGS IN, ON/OFF to SGND..............................................-0.3V to +45V LX to SGND .................................................-0. BST to SGND ................................................-0. BST to LX................................................................-0.3V to +12V PGND to SGND .....................................................-0.3V to +0.3V REG, DVREG, ...
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ELECTRICAL CHARACTERISTICS (continued 12V ON/OFF REG DVREG are 25°C.) (Note 1) A PARAMETER SYMBOL FB Offset Voltage OSCILLATOR Frequency Maximum Duty Cycle SYNC High-Level Voltage SYNC Low-Level Voltage ...
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MAXPower Step-Down DC-DC Converters ELECTRICAL CHARACTERISTICS (continued 12V ON/OFF REG DVREG are 25°C.) (Note 1) A PARAMETER SYMBOL THERMAL SHUTDOWN Thermal Shutdown Temperature Thermal ...
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Figure 5 (MAX5080) and Figure 6 (MAX5081 OPERATING FREQUENCY vs. TEMPERATURE 260 258 256 254 V = 4.5V IN 252 250 248 246 V = 40V IN 244 242 240 -40 - ...
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MAXPower Step-Down DC-DC Converters (V = 12V, see Figure 5 (MAX5080) and Figure 6 (MAX5081 OUTPUT VOLTAGE vs. TEMPERATURE 3.40 MAX5080 3.38 3.36 3. LOAD 3.32 3.30 3.28 3.26 3.24 3.22 3.20 -40 ...
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Figure 5 (MAX5080) and Figure 6 (MAX5081 LOAD-TRANSIENT RESPONSE V = 4.5V 0.25A OUT MAX5080 0 200µs/div LX VOLTAGE AND INDUCTOR CURRENT 0 2µs/div _______________________________________________________________________________________ 1A, 40V, MAXPower Step-Down ...
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MAXPower Step-Down DC-DC Converters PIN NAME MAX5080 MAX5081 1 1 COMP Error Amplifier Output. Connect COMP to the compensation feedback network. Feedback Regulation Point. Connect to the center tap of a resistive divider from converter ...
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IN LDO REG 1.23V EN REF V I REF SS 1.23V SS E/A FB COMP IN EN SYNC RAMP OSC 0.3V Figure 1. MAX5080 Simplified Block Diagram Internal Linear Regulator (REG) REG is the output terminal (MAX5080), ...
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MAXPower Step-Down DC-DC Converters IN LDO REG 1.23V EN REF V I REF SS 1.23V SS E/A FB COMP IN EN SYNC RAMP OSC 0.3V Figure 2. MAX5081 Simplified Block Diagram Soft-Start and Reference (SS the ...
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For applications that do not require a 4.5V minimum input, use the MAX5081. In this device the charge pump is omitted and the input voltage range is from 7.5V to 40V. In this situation the boost diode and the boost ...
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MAXPower Step-Down DC-DC Converters ⎡ ⎤ V OUT − ⎢ 1 ⎥ V ⎣ ⎦ FB where V = 1.23V. FB Inductor Selection Three key inductor parameters must be specified for operation with ...
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Input Capacitors Selection section) and f is the converter’s switching frequency. SW The allowable deviation of the output voltage during fast load transients also determines the output capaci- ...
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MAXPower Step-Down DC-DC Converters OUT EA R4 REF GAIN CLOSED-LOOP (dB) GAIN Figure 3. Error Amplifier Compensation Circuit (Closed-Loop and Error-Amplifier Gain Plot) ...
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OUT EA R4 REF GAIN CLOSED-LOOP (dB) GAIN Figure 4. Error Amplifier Compensation Circuit (Closed-Loop and Error Amplifier Gain Plot) for Higher ESR Output Capacitors Since R3 >> ...
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MAXPower Step-Down DC-DC Converters V IN 4.5V TO 40V R1 1.4MΩ REG C1 10µF ON/OFF R2 549kΩ C2 0.1µF PGND Figure 5. MAX5080 Typical Application Circuit V IN 7.5V TO 40V R1 1.4MΩ REG C1 10µF ON/OFF R2 ...
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V IN 7.5V TO 40V IN R1 REG C1 ON/OFF SYNC SGND PGND R2 C2 PGND TOP VIEW MAX5080 REG 15 SGND TQFN ______________________________________________________________________________________ 1A, 40V, MAXPower Step-Down DC-DC ...
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MAXPower Step-Down DC-DC Converters (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.) 18 ______________________________________________________________________________________ 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 ____________________ 19 © 2007 Maxim Integrated Products ...