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An on-chip differential-amplifier-based DC-to-DC voltage down converter (VDC) is proposed. The converter is a negative feedback-type voltage follower with precise internal reference voltage generator and high current drive capability. VDC converts 5 V to lower voltage so that the internal circuits of the chip are used. In this paper, 3 V is used as a test vehicle. The proposed VDC has characteristics such as output voltage remains 3 V over a large load current range (0-100 mA) and temperature dependency of 3.2 mV/°C. The VDC chip was fabricated in a 0.8 μm single-poly-double-metal CMOS process and layout size is 690×210 μm2. The output voltage is stabilized within ±2.8% for supply voltage with ±10% variation achieved
Published in:
Circuits and Systems II: Analog and Digital Signal Processing, IEEE Transactions on
(Volume:45
,
Issue:
5
)
Date of Publication: May 1998
- Page(s):
- 617 - 625
- ISSN :
- 1057-7130
- INSPEC Accession Number:
- 5925310
- Digital Object Identifier :
- 10.1109/82.673644
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 06 August 2002
- Issue Date :
- May 1998
- Sponsored by :
- IEEE Circuits and Systems Society
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