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PDF WS4665 Data sheet ( Hoja de datos )
| Número de pieza | WS4665 | |
| Descripción | Load Switch | |
| Fabricantes | WillSEMI | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de WS4665 (archivo pdf) en la parte inferior de esta página. Total 15 Páginas | ||
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WS4665
6A, 14mΩLoad Switch with Quick Output
Discharge and Adjustable Rise Time
WS4665
http//:www.sh-willsemi.com
DESCRIPTION
The WS4665 is a single channel load switch that
provides configurable rise time to minimize inrush
current. The device contains an N-channel MOSFET
that can operate over an input voltage range of 0.8V to
5.5V and can support a maximum continuous current
of 6A. The switch is controlled by an on/off input (ON),
which is capable of interfacing directly with low-voltage
control signals. In the WS4665, a 230 Ω on-chip load
resistor is added for quick output discharge when
switch is turned off.
The WS4665 is available in a small, space-saving
2.00mm x 2.00mm 8-pin DFN package.
Pin configuration (Top view)
FEATURES
l Integrated Single Channel Load Switch
l Input Voltage Range: 0.8V to 5.5V
l Ultra-Low On Resistance （RON）
- RON = 14mΩ at VIN = 5V (VBIAS = 5V)
l 6-A Maximum Continuous Switch Current
l Low Control Input Threshold Enables Use of 1.2-V,
1.8-V, 2.5-V and 3.3-V Logic
l Configurable Rise Time
l Quick Output Discharge (QOD)
l DFN8 2x2 8L Package
l ESD Performance Tested per JESD 22
- 2000V HBM and 1000V CDM
Device
WS4665D-8/TR
DFN2x2-8L
4665 = Device code
DA = Package code
Y = Year code
W = Week code
Marking
Order information
Package
DFN2x2-8L
Shipping
3000/Reel&Tape
APPLICATIONS
l Ultrabook TM
l Notebooks/Netbooks
l Tablet PC
l Consumer Electronics
l Set-top Boxes/Residential Gateways
l Telecom Systems
Will Semiconductor Ltd.
1 May, 2015 - Rev. 1.1
1 page  
WS4665
ELECTRICAL CHARACTERISTICS (Continuous)
Unless otherwise noted, the specification in the following table applies over the operating ambient
temperature -40°C ≤ TA ≤ 85°C and VBIAS=2.5V. Typical values are for TA=25°C.
Parameter
Test Conditions
Power Supplies and Currents
IIN(VBIAS-ON)
VBIAS quiescent current
IIN(VBIAS-OFF)
VBIAS shutdown current
IOUT = 0mA, VIN = VON = 2.5V
VON = GND, VOUT = 0V
VIN = 2.5V
IIN(VIN-OFF)
VIN off-state supply current
VON = GND,
VOUT = 0V
VIN = 1.8V
VIN = 1.2V
VIN = 0.8V
ION VON = 5.5V
ON pin input leakage current
Resistance Characteristics
VIN = 2.5V
RON ON-state resistance
IOUT = -200mA,
VBIAS = 2.5V
VIN = 1.8V
VIN = 1.5V
VIN = 1.2V
RPD
Output pull-down resistance
VIN = 0.8V
VIN = 2.5V, VON = 0V,
IOUT = 1mA
TA Min Typ Max Unit
Full 35 45 μA
Full 0.01 μA
0.001 0.5
0.001 0.47
Full μA
0 0.41
0 0.4
Full 0.01 μA
25°C
Full
25°C
Full
25°C
Full
25°C
Full
25°C
Full
Full
16
15.7
15.6
15.6
15.5
255
22
21.7
21.5
21.4
21.3
270
mΩ
mΩ
mΩ
mΩ
mΩ
Ω
SWITCHING CHARACTERISTICS MEASUREMENT INFORMATION
VIN
CIN=1UF ON
+- (A) ON
OFF
GND
VBIAS
WS4665
VOUT
CT
GND
CL
RL
GND
TEST CIRCUIT
Will Semiconductor Ltd.
5 May, 2015 - Rev. 1.1
5 Page 
WS4665
TYPICAL AC SCOPE CAPTURES at TA=25℃， CT=1nF（CH1=ON， CH2=VOUT）
TURN-ON RESPONSE TIME
(VIN=0.8V,VBIAS=2.5V,CIN=1uF,CL=0.1uF,RL=10Ω)
TURN-ON RESPONSE TIME
(VIN=0.8V,VBIAS=5.0V,CIN=1uF,CL=0.1uF,RL=10Ω)
TURN-ON RESPONSE TIME
(VIN=2.5,VBIAS=2.5V,CIN=1uF,CL=0.1uF,RL=10Ω)
TURN-ON RESPONSE TIME
(VIN=5.0V,VBIAS=5.0V,CIN=1uF,CL=0.1uF,RL=10Ω)
TURN-OFF RESPONSE TIME
(VIN=0.8V,VBIAS=2.5V,CIN=1uF,CL=0.1uF,RL=10Ω)
TURN-OFF RESPONSE TIME
(VIN=0.8V,VBIAS=5.0V,CIN=1uF,CL=0.1uF,RL=10Ω)
TURN-OFF RESPONSE TIME
(VIN=0.8V,VBIAS=2.5V,CIN=1uF,CL=0.1uF,RL=10Ω)
TURN-OFF RESPONSE TIME
(VIN=0.8V,VBIAS=5.0V,CIN=1uF,CL=0.1uF,RL=10Ω)
Will Semiconductor Ltd.
11 May, 2015 - Rev. 1.1
11 Page | ||
| Páginas | Total 15 Páginas | |
| PDF Descargar | [ Datasheet WS4665.PDF ] | |
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