MAX724ECK Maxim Integrated Products, MAX724ECK Datasheet
MAX724ECK
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MAX724ECK Summary of contents
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Not Recommended for New Designs This product was manufactured for Maxim by an outside wafer foundry using a process that is no longer available not recommended for new designs. The data sheet remains available for existing users. A ...
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... On-Chip Power Switch (MAX724) 2A On-Chip Power Switch (MAX726) Adjustable Output: 2.5V to 35V 100kHz Switching Frequency Excellent Dynamic Characteristics Few External Components 8.5mA Quiescent Current TO-220 Package ______________Ordering Information PART MAX724CCK MAX724ECK MAX726CCK MAX726ECK __________________Pin Configuration FRONT VIEW OUTPUT 2.8k 470 F 2.21k CASE IS CONNECTED TO GROUND. ...
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Step-Down, PWM, Switch-Mode DC-DC Regulators ABSOLUTE MAXIMUM RATINGS Input Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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ELECTRICAL CHARACTERISTICS (continued 25V unless otherwise noted MIN MAX PARAMETER Error-Amplifier Voltage Gain Error-Amplifier Transconductance Error-Amplifier Source Current Error-Amplifier Sink Current Feedback Pin Bias Current Reference Voltage Reference Voltage Tolerance ...
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Step-Down, PWM, Switch-Mode DC-DC Regulators ____________________________Typical Operating Characteristics (continued) REFERENCE VOLTAGE vs. JUNCTION TEMPERATURE 2.25 2.24 2.23 2.22 2.21 2.20 2.19 2.18 2.17 -40 - 100 125 JUNCTION TEMPERATURE (°C) ERROR-AMPLIFIER PHASE AND g 8000 ...
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Description PIN NAME Feedback Input is the error amplifier's inverting input, and controls output voltage by adjusting switch duty cycle Input bias current is typically 0.5µA when the error amplifier is balanced (I by reducing the oscillator ...
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Step-Down, PWM, Switch-Mode DC-DC Regulators In DCM, ringing occurs the latter part of the SW switch off-cycle. This is due to the inductor resonating with the parallel capacitance of the catch diode and the V node. ...
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Inductor Selection Although most MAX724 designs perform satisfactorily with 50 H inductors (100µH for the MAX726), the MAX724/MAX726 are able to operate with values rang- ing from 200 H. In some cases, inductors other than 50 H ...
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Step-Down, PWM, Switch-Mode DC-DC Regulators CONTINUOUS-CURRENT MODE (I OUT - AVG OUT 3. ...
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Be sure that the selected capacitor can handle the ripple current over the required temperature range. Also locate the input capacitor very close to the MAX724/MAX726 and use minimum length leads (surface-mount or radial through-hole types). In most applications, ESR ...
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Step-Down, PWM, Switch-Mode DC-DC Regulators (400k ) 2000 V(DC 1/[2 (400k )]C POLE - V(MID) 90° PHASE SHIFT V(HI) M FREQUENCY Figure 5. Error-Amplifier Gain as Set by ...
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Applications Positive-to-Negative DC-DC Inverter The MAX724/MAX726 can convert positive input volt- ages to negative outputs if the sum of input and output voltage is greater than 8V, and the minimum positive supply is 4.5V. The connection in Figure 7 ...
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... Maxim reserves the right to change the circuitry and specifications without notice at any time. implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 12 __________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 (408) 737-7600 © ...