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PCF8883US/7EA/1 датащи(PDF) 9 Page - NXP Semiconductors

номер детали PCF8883US/7EA/1
подробное описание детали  Capacitive touch/proximity switch with auto-calibration, large voltage operating range, and very low power consumption
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производитель  NXP [NXP Semiconductors]
домашняя страница  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCF8883US/7EA/1 датащи(HTML) 9 Page - NXP Semiconductors

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PCF8883
All information provided in this document is subject to legal disclaimers.
© NXP Semiconductors N.V. 2016. All rights reserved.
Product data sheet
Rev. 4.1 — 14 September 2016
9 of 35
NXP Semiconductors
PCF8883
Capacitive touch/proximity switch with auto-calibration
8.2 Voltage regulator
The PCF8883 implements a chip-internal voltage regulator supplied by pin VDD that
provides an internal supply (VDD(INTREGD)) limited to a maximum of 4.6 V. The lock-in
voltage Vlockin on VDD is typically 4.0 V. Figure 7 shows the relationship between VDD and
VDD(INTREGD).
Fig 6.
Switching modes timing diagram of PCF8883
013aaa077
Capacitance
on input
OUT
(push-button)
OUT
(toggle)
OUT
(pulse)
t
t
t
t
tclk(H) = CTYPE · 2 ms/nF
tclk(H) = CTYPE · 2 ms/nF
tclk(H) = CTYPE · 2 ms/nF
Fig 7.
Integrated voltage regulator



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