The low-power and low-area PWM by light intensity for photoflash in 0.35-μm CMOS

The pulse width modulator by light intensity is presented. Light intensity sensing is achieved by using capacitor, photodiode, and comparator. And IGBT driver has short circuit protection using delay cell. The pulse width modulator has the operating range of V MS from 0.5V to 2.9V. The pulse width m...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	Woo Kwan Lee, Won Ho Choi, Young Jae Min, Hoon Ki Kim, Soo-Won Kim
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	Capacitors CMOS technology Driver circuits Insulated gate bipolar transistors Intensity modulation Optical modulation Photodiodes Protection Pulse width modulation Space vector pulse width modulation
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