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ManualsBrandsOMNI-VISION ManualsLoad SwitchOMNI-VISION WS4667E Ultra-low Ron Load Switch

Table Of Contents

SOT-23-6L

4275 Burton Drive

Santa Clara, CA 95054

USA

Tel: + 1 408 567 3000

Fax: + 1 408 567 3001

www.ovt.com

OMNIVISION reserves the right to make changes to their products or to discontinue

any product or service without further notice. OMNIVISION and the OMNIVISION logo

are trademarks or registered trademarks of OmniVision Technologies, Inc.

All other trademarks are the property of their respective owners.

1 2022/1/4 - Rev. 0.5

WS4667E

4.5A, 22mΩ, Ultra-low Ron Load Switch

with Quick Output Discharge

Descriptions

The WS4667E is a small, ultra-low Ron, single channel

load switch with controlled turn on. The device

contains an N-channel MOSFET that can operate over

an input voltage range of 0.8V to 3.5V and supports a

maximum continuous current of 4.5A .

This device is suitable for driving processor power rails

with very strict voltage dropout tolerances. Quick rise

time of the device allows for power rails to come up

quickly when the device is enabled, thereby reducing

response time for power distribution. The ON terminal

can be directly connected with the low-voltage control

signals generated by microcontrollers or low-voltage

discrete logic circuit.

The WS4667E is available in SOT23-6L package.

Standard product is Pb-free and Halogen-free.

Features

 Input Voltage Range: 0.8V to 3.5V

 Ultra-Low On Resistance (R

)

ON =

22mΩ at V

BIAS

= 5V

 4.5 A Maximum Continuous Switch Current

 Low Control Input Threshold Enables Use of 1.2V,

1.8V, 2.5V and 3.3V Logic

 Quick Output Discharge (QOD)

 SOT23-6L Package

 ESD Performance Tested per JESD 22

2kV HBM and 1kV CDM

Applications

 Ultrabook

 Notebooks/Netbooks

 Tablet PC

 Consumer Electronics

 Set-top Boxes/Residential Gateways

 Telecom Systems

Http://www.ovt.com

SOT23-6L

Pin configuration (Top view)

SOT23-6L

For detail order information, please see page 2.

Order Information

For detail order information, please see page 2.

Summary of content (14 pages)

PAGE 1
WS4667E 4.5A, 22mΩ, Ultra-low Ron Load Switch with Quick Output Discharge Http://www.ovt.com Descriptions The WS4667E is a small, ultra-low Ron, single channel load switch with controlled turn on. The device contains an N-channel MOSFET that can operate over an input voltage range of 0.8V to 3.5V and supports a SOT23-6L maximum continuous current of 4.5A . This device is suitable for driving processor power rails with very strict voltage dropout tolerances.
PAGE 2
WS4667E Order Information Ordering No. Continuous Rise Current Time 4.5A 3.4us WS4667EAA6/TR Output Enable Package Discharge Resistor Active High Yes SOT23-6L Operating Temperature -40~85oC Marking Shipping 4667 EEYW 3000/Reel& Tape Marking Information 4667 = Device code EE = Special code Y = Year code W = Week code Marking 2 4275 Burton Drive Santa Clara, CA 95054 USA Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.
PAGE 3
WS4667E Typical Application Pin Description Pin Number Symbol I/O 1 GND -- 2 VIN I 3 NC -- 4 VOUT O 5 VBIAS -- Bias voltage. Power supply to the device. 6 ON I Active high switch control input. Do not leave floating. Description Ground. Switch input. Place ceramic bypass capacitor(s) between this terminal and GND. Not connected. Switch output. Place ceramic bypass capacitor(s) between this terminal and GND.
PAGE 4
WS4667E Absolute Maximum Ratings Symbol Parameter Value Unit Input voltage range -0.3～5.5 V VOUT Output voltage range -0.3～5.5 V VBIAS Bias voltage range -0.3～5.5 V VON Input voltage range -0.3～5.5 V IMAX Maximum continuous switch current 4.
PAGE 5
WS4667E Electrical Characteristics VBIAS=5.0V, Cin=1uF, TA=25°C, unless otherwise noted. Parameter Symbol Test Conditions Min Typ Max Unit VBIAS Quiescent Current IQ,VBIAS IOUT =0mA, VIN = 3.0V 20 40 μA VBIAS Shutdown Current ISD,VBIAS VON = 0V , VOUT = 0V 0.1 1 μA VIN = 3.0V 0.001 0.3 VIN = 2.5V 0.001 0.3 VIN = 2.0V 0.001 0.3 VIN = 1.05V 0.001 0.3 VIN = 0.8V 0.001 0.3 0.1 1 VIN Shutdown Current ON Pin Input Leakage Current ISD,VIN ION VON = 0V , VOUT = 0V VON = 5.
PAGE 6
WS4667E Electrical Characteristics (Continued) VBIAS=3.0V, Cin=1uF, TA=25°C, unless otherwise noted. Parameter Symbol Test Conditions Min Typ Max Unit VBIAS Quiescent Current IQ,VBIAS IOUT =0mA,VIN = 1.0V 12 25 μA VBIAS Shutdown Current ISD,VBIAS VON = 0V , VOUT = 0V 0.1 1 μA VIN Shutdown Current ISD,VIN ON Pin Input Leakage Current ION VON = 5.5V ON Logic High Input Voltage VON,H VIN = 0.8V to 1.0V ON Logic Low Input Voltage VON,L VIN = 0.8V to 1.
PAGE 7
WS4667E Switching Characteristics Parameter Test Conditions Min Typ Max Unit VIN = 2.5V，VON = VBIAS = 5V, TA = 25 °C (unless otherwise noted) tON tOFF Turn-on time 4.1 Turn-off time tR VOUT rise time tF VOUT fall time tD ON delay time 1.2 RL = 10Ω, CL = 0.1uF 3.4 μs 2 3.1 VIN = 1.05V, VON = VBIAS = 5V, TA = 25 °C (unless otherwise noted) tON tOFF Turn-on time 4 Turn-off time 1.3 tR VOUT rise time RL = 10Ω, CL = 0.1uF 1.5 tF VOUT fall time 1.8 tD ON delay time 3.
PAGE 8
WS4667E Typical Characteristics IQ,BIAS vs. VBIAS ISD,BIAS vs. VBIAS RPD vs. VBIAS VIH,ON & VIL,ON vs. VBIAS ISD,VIN vs. VIN RON VS. VIN 8 4275 Burton Drive Santa Clara, CA 95054 USA Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.com OMNIVISION reserves the right to make changes to their products or to discontinue any product or service without further notice. OMNIVISION and the OMNIVISION logo are trademarks or registered trademarks of OmniVision Technologies, Inc.
PAGE 9
WS4667E RON vs. VIN RON vs. VIN tD vs. VIN tF vs. VIN tOFF vs. VIN tON vs. VIN 9 4275 Burton Drive Santa Clara, CA 95054 USA Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.com OMNIVISION reserves the right to make changes to their products or to discontinue any product or service without further notice. OMNIVISION and the OMNIVISION logo are trademarks or registered trademarks of OmniVision Technologies, Inc. All other trademarks are the property of their respective owners. 2022/1/4 - Rev. 0.
PAGE 10
WS4667E tR vs. VIN RON vs. Temperature RON vs. Temperature 10 4275 Burton Drive Santa Clara, CA 95054 USA Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.com OMNIVISION reserves the right to make changes to their products or to discontinue any product or service without further notice. OMNIVISION and the OMNIVISION logo are trademarks or registered trademarks of OmniVision Technologies, Inc. All other trademarks are the property of their respective owners. 2022/1/4 - Rev. 0.
PAGE 11
WS4667E Working Waveforms Start up by EN Shutdown by EN VBIAS=5V,VIN=2.5V,CIN=1uF,COUT=0.1uF,RLOAD=10Ω VBIAS=5V,VIN=2.5V,CIN=1uF,COUT=0.1uF,RLOAD=10Ω Start up by VBIAS Shutdown by VBIAS VBIAS=5V,VIN=2.5V,CIN=1uF,COUT=0.1uF,RLOAD=10Ω VBIAS=5V,VIN=2.5V,CIN=1uF,COUT=0.1uF,RLOAD=10Ω 11 4275 Burton Drive Santa Clara, CA 95054 USA Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.
PAGE 12
WS4667E Detailed Description Overview The WS4667E device is a 3.5V, 4.5A load switch in a DFN3x2-8L package. To reduce voltage drop for low voltage and high current rails, the device implements an ultra-low resistance N-channel MOSFET. The device has a controlled, fixed slew rate for applications that require a specific rise-time. During shutdown, the device has very low leakage currents, thereby reducing unnecessary leakages for downstream modules during standby.
PAGE 13
WS4667E PACKAGE OUTLINE DIMENSIONS SOT-23-6L D b E E1 L1 L L2 θ e c e1 SIDE VIEW TOP VIEW 0.55 2.30 1.50 A2 A1 A 0.80 0.95 SIDE VIEW RECOMMENDED LAND PATTERN(unit:mm) Symbol Dimensions in Millimeters Min. Typ. Max. A 1.05 - 1.25 A1 0 - 0.15 A2 1.00 1.10 1.20 b 0.30 0.40 0.50 c 0.10 - 0.21 D 2.72 2.92 3.12 E 2.60 2.80 3.00 E1 1.40 1.60 1.80 e 0.95BSC e1 1.80 1.90 2.00 L 0.30 - 0.60 L1 0.59Ref L2 0.
PAGE 14
WS4667E TAPE AND REEL INFORMATION Reel Dimensions RD Reel Dimensions Tape Dimensions W P1 Quadrant Assignments For PIN1 Orientation In Tape Q1 Q2 Q1 Q2 Q3 Q4 Q3 Q4 RD Reel Dimension W Overall width of the carrier tape P1 Pitch between successive cavity centers Pin1 Pin1 Quadrant User Direction of Feed 7inch 13inch 1 8mm 12mm 16mm 2mm 4mm 8mm Q1 Q2 Q3 14 4275 Burton Drive Santa Clara, CA 95054 USA Tel: + 1 408 567 3000 Fax: + 1 408 567 3001 www.ovt.