The control of class DE amplifier is an important problem since its switching operations do not satisfy class E switching conditions when the load resistance varies from the initial designed values. Therefore, several of control schemes of class DE amplifier were proposed. However, the changes of ...
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where R50 and R51 are the resistance of the resistors 50 and 51. The reflected voltage VAUX further charges a capacitor 65 via a rectifier 60 to power the close-loop PWM controller 70. A current-sense resistor 30 serves as a current sense device. The current-sense resistor 30 is connec...
current HS sink resistance LS source current LS sink resistance BOOT - PHASE = 5 V to 12 V BOOT - PHASE = 5 V to 12 V VCC = 5 V to 12 V VCC = 5 V to 12 V Over-current protection IOCSET OCSET current source VOC_SW OC switch-over threshold VOCTH_FIXED Fixed OC threshold 1...
6.2 Multi-phase section - current reading and current sharing loop The L6751B embeds a flexible, fully-differential current sense circuitry that is able to read across inductor parasitic resistance or across a sense resistor placed in series to the induc- tor element. The fully-differential ...
(normal mode) SKIP = BATT COMP Clamp Low Voltage COMP Clamp High Voltage MAX8506 Transconductance MAX8507 MAX8508 Current-Sense Transresistance OSCILLATOR Internal Oscillator Frequency LOGIC INPUTS (SHDN, HP, SKIP) Logic-Input High Voltage Logic-Input Low Voltage Logic Input Current VBATT = 2.6V ...
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4.5-V to 20-V operating voltage – 24-V absolute maximum voltage • High output current capability – 5-A peak current drive • Low on-state resistance MOSFETs – RDS(ON) (HS + LS) at TA = 25°C : 130-mΩ (typical) • Ultra-low Q-current sleep mode – 3-µA (max.) ...