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RT9701

Richtek
Part Number RT9701
Manufacturer Richtek
Description Power Distribution Switches
Published Mar 31, 2015
Detailed Description RT9701 100mΩ Power Distribution Switches General Description The RT9701 is an integrated 100mΩ power switch for self-p...
Datasheet PDF File RT9701 PDF File

RT9701
RT9701

Overview
RT9701 100mΩ Power Distribution Switches General Description The RT9701 is an integrated 100mΩ power switch for self-powered and bus-powered Universal Series Bus (USB) applications.
A built-in charge pump is used to drive the N-Channel MOSFET that is free of parasitic body diode to eliminate any reversed current flow across the switch when it is powered off.
Its low quiescent current (23uA) and small package (SOT-23-5) is particularly suitable in battery-powered portable equipment.
Several protection functions include soft start to limit inrush current during plug-in, current limiting at 1.
5A to meet USB power requirement, and thermal shutdown to protect damage under over current conditions.
Ordering Information RT9701 Package Type B : SOT-23-5 BL : SOT-23-5 (L-Type) Note : Lead Plating System P : Pb Free G : Green (Halogen Free and Pb Free) 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.
Marking Information For marking information, contact our sales representative directly or through a Richtek distributor located in your area.
Features z 100mΩ Typ.
High-Side NMOSFET (SOT-23-5) z Guaranteed 1.
1A Continuous Current z 1.
5A Current Limit z Small SOT-23-5 Package Minimizes Board Space z Soft Start z Thermal Protection z Low 23uA Supply Current z Wide Input Voltage Range : 2.
2V to 6V z UL Approved - #E219878 z RoHS Compliant and 100% Lead (Pb)-Free Applications z Battery-Powered Equipment z Motherboard USB Power Switch z USB Device Power Switch z Hot-Plug Power Supplies z Battery-Charger Circuits Pin Configurations (TOP VIEW) VOUT 5 EN 4 23 VOUT GND VIN SOT-23-5 VOUT 5 VIN 4 23 VOUT GND VIN SOT-23-5 (L-Type) Typical Application Circuit VIN CIN 1uF RT9701xBL VIN VOUT VIN VOUT GND VOUT * COUT 470uF * 470uF, Low ESR Electrolytic DS9701-16 April 2011 www.
richtek.
com 1 RT9701 Test Circuits VIN CIN + 1uF RT9701xBL VIN VOUT VI...


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