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PDF WD1015 Data sheet ( Hoja de datos )

Número de pieza WD1015
Descripción Step-down DC-DC Converter
Fabricantes WillSEMI 
Logotipo WillSEMI Logotipo



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No Preview Available ! WD1015 Hoja de datos, Descripción, Manual

WD1015
WD1015
1.5MHz, 1.2A, Step-down DC-DC Converter
Http//:www.sh-willsemi.com
Descriptions
The WD1015 is a high efficiency, synchronous step
down DC-DC converter optimized for battery powered
portable applications. It supports up to 1.2A output
current. With a wide input voltage range of 2.7V to 5.5V,
the device supports applications powered by single
Li-ion battery with extended voltage range, two and
three alkaline cell, 3.3V and 5V input voltage range.
The WD1015 operates at 1.5MHz fixed switching
frequency with Pulse-Width-Modulation (PWM) and
enters Pulse-Skipping-Modulation (PSM) operation
at light load current to maintain high efficiency over the
entire load current range. 100% duty cycle capability
provides low dropout operation, extending battery life
in portable systems.
SOT-23-5L
The switching frequency is internally set at 1.5MHz,
allowing the use of tiny surface mount inductor and
input/output capacitors. Low output voltage is easily
supported with the 0.6V feedback reference voltage.
Pin configuration (Top view)
The WD1015 is available in SOT-23-5L package.
Standard product is Pb-free and Halogen-free.
Features
Input voltage range
: 2.7~5.5V
Continue output current : 1.2A
Switching frequency
: 1.5MHz (Typ.)
Efficiency
: Up to 92%
Feedback reference voltage : 0.6V
100% duty cycle for low dropout operation
Adjustable Output Voltage
WD15 = Device code
YY = Year code
WW = Week code
Marking
Order information
Applications
Cellphones
PADs
STBs
DSCs
Device
Package
Shipping
WD1015EA-5/TR SOT-23-5L 3000/Reel&Tape
Will Semiconductor Ltd.
1 Feb, 2016 - Rev. 1.5

1 page




WD1015 pdf
Typical Characteristics (Ta=25oC, VIN=3.6V, unless otherwise noted)
WD1015
Efficiency vs. Output current
Output voltage vs. Load current
1.5
1.4
1.3
1.2
1.1
1.0
0.9
0.8
-25
VIN = 3.6V
IO = 300mA
0 25 50 75
Temperature (oC)
100 125
Output voltage vs. Temperature
Will Semiconductor Ltd.
Efficiency vs. Output current
3.0
2.9
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
0.0
VOUT = 2.5 V
VIN = 3.6V
VIN = 5.0V
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
Load Current ( A )
Output voltage vs. Load current
1.0
2.8
2.7
2.6
2.5
2.4
2.3
2.2
2.1
2.0
-25
V = 3.6V
IN
IO = 300mA
0 25 50 75
Temperature (oC)
100 125
Output voltage vs. Temperature
5 Feb, 2016 - Rev. 1.5

5 Page





WD1015 arduino
Package outline dimensions
SOT-23-5L
WD1015
Symbol
A
A1
A2
b
c
D
E
E1
e
e1
L
θ
Will Semiconductor Ltd.
Min.
1.050
0.000
1.050
0.300
0.100
2.820
1.500
2.650
1.800
0.300
0o
Dimensions In Millimeters
Typ.
-
-
-
0.400
-
2.900
1.600
2.800
0.950 Typ.
1.900
-
-
Max.
1.250
0.100
1.150
0.500
0.200
3.020
1.700
2.950
2.000
0.600
8o
11 Feb, 2016 - Rev. 1.5

11 Page







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