Single Inductor Bipolar Outputs DC-DC Converter with Current Mode Control Circuit

Nobukazu Takai; Takashi Okada; Kenji Takahashi; Hajime Yokoo; Shunsuke Miwa; Kengo Tsushida; Hiroyuki Iwase; Kazuki Murakami; Haruo Kobayashi; Takahiro Odaguchi; Shigeki Takayama; Takeshi Oomori; Isao Nakanishi; Kenji Nemoto; Junichi Matsuda

doi:10.4028/www.scientific.net/KEM.534.220

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A High Efficiency, Extended Load Range Boost Regulator Optimized Forenergy Harvesting Applications
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Single Inductor Bipolar Outputs DC-DC Converter with Current Mode Control Circuit
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Desialylation of N-Linked Carbohydrate Chain of Fibrinogen
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Single Inductor Bipolar Outputs DC-DC Converter with Current Mode Control Circuit

Abstract:

Mobile equipment such as organic-EL display, digital still camera and so on re-quire both positive and negative power supply voltage to obtain high quality. Single InductorMultiple-Output (SIMO) DC-DC converter can provide a pair of positive and negative outputvoltages with only one external inductor. This paper describes SIMO DC-DC Converter usingproposed current-mode control (CMC) circuit. The proposed CMC circuit realizes high responsespeed for the change of load current. Spectre simulations with 0.18 m CMOS process parameterare performed to verify the validity of the proposed converter. The simulation results indicatethat the proposed converter has higher response time compared with conventional converter.