stable start by applying a reference voltage to the reference input terminal of an error amplifier, by connecting two resistances between a control input terminal and a current detecting resistance, and by connecting a circuit which lowers a voltage at the connection point gradually from a start ...
Brand new Honeywell Lynx Touch L5100 wireless alarm system for Home, (KIT) New Honeywell 24 VAC Non Spring Return Foot Mounted Actuator Model M9184A1019 HONEYWELL SECURITRAM SB FF-SB12R04K-S2 FF-SB12E04K-S2 HONEYWELL MEASUREX BG4MMU 60147679-002 CONTROL CIRCUIT BOARD CARD MODULE 59051 HONE...
Soft-start circuit applied to DC-DC (direct-current) converterThe invention provides a soft-start circuit applied to a DC-DC (direct-current) converter. The soft-start circuit comprises a converting unit, a sampling circuit, a soft-start switch and an error amplifier. The converting unit is ...
SOFT START CONTROL CIRCUIT FOR DCDC CONVERTER专利内容由知识产权出版社提供 专利名称:SOFT START CONTROL CIRCUIT FOR DC/DC CONVERT ER 发明人:IWANAMI YOSHITOMO 申请号:JP1739381 申请日:19810210 公开号:JPS57132762A 公开日:19820817 摘要:PURPOSE:To smoothen the rise of a rush current of the input ...
Soft-start voltage circuit 专利名称：Soft-start voltage circuit 发明人：Shun-Hau Kao,Mao-Chuan Chien 申请号：US12271939 申请日：20081117 公开号：US07906945B2 公开日：20110315 专利内容由知识产权出版社提供 专利附图：摘要：A soft-start voltage circuit includes an operational amplifier, a first and a...
wherein the output side circuit comprises a closed-loop soft-start circuit, and wherein the closed-loop soft-start circuit comprises:an error amplifier having a first input coupled to a lower of a reference voltage and a ramp voltage and having a second input coupled to a voltage representativ...
amplifier ramps up at a relatively slow rate to avoid overshoot of the desired output voltage of the converter during the start- up phase of the converter; and a ramp disable circuit for disabling the ramp signal upon reaching a value corresponding to the normal operating phase of the ...
The invention relates to a simple soft start circuit which comprises an input wiring terminal for being connected with 220V single-phase alternating current, wherein the output end of the input wiring terminal is connected with a power conversion circuit through a protection circuit; the power conve...
Using this soft-start method with such regulators could cause the start-up waveform to have an initial voltage spike before the slow rise to the output voltage. Figure 5. Results from soft-start circuit using RC and diode Either method limits the in-rush current, slowing the ramp time of ...
The present invention discloses a switching regulator and a method to provide a soft start for a switching regulator. The switching regulator comprises an error amplifier, a compensatory capacitor, a trigger, a comparator and a bias current regulative circuit. The method including: a feedback ...