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This paper presents a precise 1.175 V voltage reference bandgap circuit with an additional temperature compensated current output for DC-DC switch mode converters. The nominal temperature coefficient (TC) of the bandgap voltage is 13 ppm/°C from −40 °C to 140 °C. With the proposed circuit architecture output voltage deviations as low as ±18 mV (±3 s) from the nominal bandgap voltage are achieved....
For multicolor LED driver applications several integrated high voltage (HV) LDMOS transistors in ASICs have to be driven efficiently and securely. The presented digital PWM gate driver is based on gate charge modulation (GCM) and employs a digital centric closed loop gate-source voltage (VGS) control to ensure stable operation over a large temperature and supply voltage range. This enables secure...
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