EL7558BCM Elantec Inc, EL7558BCM Datasheet
EL7558BCM
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EL7558BCM Summary of contents
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... EL7558BCM 28-Pin HSOP - MDP0042 EL7558BCM-T13 28-Pin HSOP 13” MDP0042 Note: All information contained in this data sheet has been carefully checked and is believed to be accurate as of the date of publication; however, this data sheet cannot be a “controlled document”. Current revisions, if any, to these specifications are maintained at the factory and are available upon your request. We recommend checking the revision level before finalization of your design documentation. © ...
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EL7558BC Integrated Adjustable 8 Amp Synchronous Switcher Absolute Maximum Ratings Storage Temperature Range Supply ( Ambient Operating Temperature Important Note: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all ...
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Electrical Characteristics 5V 1nF 470pF OSC SLOPE Parameter Description Controller - Doubler V Voltage Doubler Output C2V Controller - Oscillator F Oscillator Ramp Amplitude RAMP I Oscillator Charge Current ...
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EL7558BC Integrated Adjustable 8 Amp Synchronous Switcher Typical Performance Curves Efficiency =3.5V) LOAD OUT =4. = =5. 0.5 1.5 2.5 3.5 4.5 5.5 I ...
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Typical Performance Curves Line Regulation vs C SLOPE V =V =5.0V ±10 0.8 0.7 0.6 0.5 I =0.5A OUT 0.4 0.3 I =6A OUT 0.2 0.1 0 100 125 C (pF) SLOPE OUT ...
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EL7558BC Integrated Adjustable 8 Amp Synchronous Switcher Typical Performance Curves OSC 60 T =25°C A OUTEN =5. =4. Discontinuous Mode Continuous Mode 0 ...
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Typical Performance Curves Minimum Output Voltage vs F OSC 2.3 T =120°C 2 1.9 1.7 V =5V DD 1.5 1 1.1 0.9 0.7 200 400 600 F (kHz) OSC Integrated Adjustable 8 Amp Synchronous Switcher ...
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EL7558BC Integrated Adjustable 8 Amp Synchronous Switcher Pin Descriptions I = Input Output Supply Pin Number Pin Name Pin Type 1 FB1 I Voltage feedback pin for the buck regulator. Active when VCC2DET is logic low. ...
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Block Diagram Integrated Adjustable 8 Amp Synchronous Switcher 9 EL7558BC ...
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EL7558BC Integrated Adjustable 8 Amp Synchronous Switcher Applications Information Circuit Description General The EL7558BC is a fixed frequency, current mode con- trolled DC:DC converter with integrated N-channel power MOSFETS and a high precision reference. The device incorporates all of the ...
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If I LMAX has not been reached, the regulator output voltage is then compared to the reference voltage VREF. The resultant error voltage is summed with the current feedback and slope compensation ramp. The ...
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EL7558BC Integrated Adjustable 8 Amp Synchronous Switcher exceeds the thermal trip-point, the OT pin will output a logic 0. The upper and lower trip points are set to 135 ºC and 100ºC respectively. To enable thermal shutdown this pin should ...
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EL7558BC Integrated Adjustable 8 Amp Synchronous Switcher General Disclaimer Specifications contained in this data sheet are in effect as of the publication date shown. Elantec, Inc. reserves the right to make changes in the cir- cuitry or specifications contained herein ...