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XC6408 Datenblatt(PDF) 14 Page - Torex Semiconductor

Teile-Nr. XC6408
Beschreibung  28V Operation Voltage Regulator with Voltage Detector
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Hersteller  TOREX [Torex Semiconductor]
Homepage  http://www.torex.co.jp
Logo TOREX - Torex Semiconductor

XC6408 Datenblatt(HTML) 14 Page - Torex Semiconductor

XC6408 Datenblatt HTML 10Page - Torex Semiconductor XC6408 Datenblatt HTML 11Page - Torex Semiconductor XC6408 Datenblatt HTML 12Page - Torex Semiconductor XC6408 Datenblatt HTML 13Page - Torex Semiconductor XC6408 Datenblatt HTML 14Page - Torex Semiconductor XC6408 Datenblatt HTML 15Page - Torex Semiconductor XC6408 Datenblatt HTML 16Page - Torex Semiconductor XC6408 Datenblatt HTML 17Page - Torex Semiconductor XC6408 Datenblatt HTML 18Page - Torex Semiconductor
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XC6408 Series
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Cd connencted Capacitance (pF)
<Voltage detector>
(XC6408D and XC6408E)
The detector function of the XC6408D/E series has hysteresis, and when the detected voltage rises higher than the release
voltage (typically about 105% of the detect voltage), the output of the VDOUT pin inverts.
(XC6408D)
The detector function of the XC6408D series is connected to the VROUT pin inside the IC and detects the VROUT output
voltage.
The voltage divided by the detector’s internal resistance which is connected to the VROUT pin is compared to the IC internal
reference voltage, and if the voltage of the VROUT pin falls below the threshold value, low level signal is output from VDOUT.
A capacitor (Cd) can be connected to the Cd pin to add a delay time to the output signal of the VDOUT pin at voltage release.
The delay time is determined by the constant current value determined by the internal current generator circuit, and the Cd
capacitance value. The relationship between the Cd capacitance value and the delay time is shown below.
(XC6408E)
The detector function of the XC6408E series detects the VSEN pin voltage.
The voltage divided by the detector internal resistance that is connected to the VSEN pin is compared to the IC internal
reference voltage, and if the voltage of the VSEN pin falls below the threshold value, low level signal is output from VDOUT.
■ OPERATIONAL EXPLANATION (Continued)
●Release Delay Time vs. Cd connected Capacitance
XC6408D


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