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RT9746 Scheda tecnica(PDF) 1 Page - Richtek Technology Corporation |
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RT9746 Scheda tecnica(HTML) 1 Page - Richtek Technology Corporation |
1 / 10 page RT9746 ® DS9746-00 March 2016 www.richtek.com 1 © Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. Applications Cellular Phone Smart Handheld Device VBUS OVP with a PTVS Diode General Description The RT9746 is an overvoltage protection devices feature a low 35m Ω (typ) RON internal FET with PTVS diode. The PTVS also protects the devices from surges up to 100V. When the input voltage exceeds the overvoltage threshold, the internal FET is turned off to prevent damage to the protected down stream components. The internal Over Voltage Thresholds (OVP) are preset to 6.8V typical. The RT9746 also feature an over-current protection and up to 4.5A. The RT9746 is offered in a small WL-CSP-12B (BSC) package provides small PCB area applications. Marking Information Features PTVS Diode Embedded for VBUS Surge Protection Warning Indicator for OVP or UVP 28V Maximum Rating for DC Adapter Integrated Over-Voltage and Over Current Protection FET on VBUS for Fault Isolation Ordering Information Note : Richtek products are : RoHS compliant and compatible with the current require- ments of IPC/JEDEC J-STD-020. Suitable for use in SnPb or Pb-free soldering processes. Pin Configurations (TOP VIEW) WL-CSP-12B 1.92x1.27 (BSC) GND_ PTVS VOUT GND VOUT WRNB GND_ PTVS VOUT VIN VIN OVPFB VIN GND_ PTVS A3 A4 A1 A2 B3 B4 B1 B2 C3 C4 C1 C2 3CW 3C : Product Code W : Date Code RT9746WSC Package Type WSC : WL-CSP-12B 1.92x1.27 RT9746 OVP Threshold Option Default : 6.8V A : 11.5V B : 14.5V C : 6.2V RT9746 VOUT GND_PTVS VIN WRNB OVPFB R2 R1 CIN Adaptor Charger Processor VDDIO GND COUT R3 Simplified Application Circuit |
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