Abstract
This paper presents a high power Low Dropout Voltage Regulator Design with an enhanced resistive bank circuit for powering an RF IC for DSRC applications. Due to the addition of the enhanced resistor bank circuit, the feedback takes part in the amplified output from the input, such that the gain is controlled much more by the feedback network. A low pass filter is used to remove excess noise. The quiescent current of the proposed LDO structure is reduced to 3.85 μA from a 3.3 V supply voltage, to improve the power efficiency of LDO. Phase Margin of the bandgap reference circuit is 62.30°. For a load current of 100 mA settling time of 26 μs is achieved by the proposed LDO. PSRR of -46 dB is achieved till 1 kHz of frequency. Line regulation and Load regulation of the proposed LDO is 30.6 mV/V and 0.278 mV/mA respectively. This structure is implemented using 130 nm Bipolar-CMOS-DMOS (BCD) technology with an active area of 206 μm X 161 μm.
| Original language | English |
|---|---|
| Title of host publication | ITC-CSCC 2020 - 35th International Technical Conference on Circuits/Systems, Computers and Communications |
| Publisher | Institute of Electrical and Electronics Engineers Inc. |
| Pages | 94-98 |
| Number of pages | 5 |
| ISBN (Electronic) | 9784885523281 |
| State | Published - Jul 2020 |
| Externally published | Yes |
| Event | 35th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2020 - Nagoya, Japan Duration: 3 Jul 2020 → 6 Jul 2020 |
Publication series
| Name | ITC-CSCC 2020 - 35th International Technical Conference on Circuits/Systems, Computers and Communications |
|---|
Conference
| Conference | 35th International Technical Conference on Circuits/Systems, Computers and Communications, ITC-CSCC 2020 |
|---|---|
| Country/Territory | Japan |
| City | Nagoya |
| Period | 3/07/20 → 6/07/20 |
UN SDGs
This output contributes to the following UN Sustainable Development Goals (SDGs)
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SDG 10 Reduced Inequalities
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SDG 11 Sustainable Cities and Communities
Keywords
- Bandgap Reference (BGR)
- Dedicated Short Range Communication (DSRC)
- Intelligent Transport System (ITS)
- Low Drop Out voltage regulator (LDO)
- Power Supply Rejection Ratio (PSRR)
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