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WD3131 반도체 회로 부품 판매점

26V Step-Up White LED Driver



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WillSEMI
WD3131 데이터시트, 핀배열, 회로
WD3131
High Efficiency, 26V Step-Up White LED
Driver
WD3131
Http//:www.sh-willsemi.com
Descriptions
The WD3131 is a constant current, high efficiency LED
driver. Internal MOSFET can drive up to 6 white LEDs
in series and 3S13P LEDs with Min. 1.5A current limit
and 26V OVP. A Pulse-Width-Modulation (PWM) signal
can be applied to the EN pin for LED dimming. The
device operates with 1MHz fixed switching frequency
to reduce output ripple, improve conversion efficiency,
and allows use small external components.
The WD3131 is available in SOT-23-6L package.
Standard product is Pb-free and Halogen-free.
SOT-23-6L
Features
Input voltage range
: 3~5.5V
Open LED Protection
: 26V
Reference Voltage
: 200mV (±5%)
Switching frequency
: 1MHz (Typ.)
Efficiency
: Up to 92%
Main switch current limit : 1.5A (Min.)
PWM Dimming frequency : (5KHz to 200KHz)
PWM Dimming Duty
: Min. 4%
Pin configuration (Top view)
654
3131
EAYW
Applications
Smart Phones
Tablets
Portable games
123
3131 = Device Code
EA = Package Code
Y = Year code
W = Week code
Marking
Order information
Device
Package
Shipping
WD3131E-6/TR SOT-23-6L 3000/Reel&Tape
Will Semiconductor Ltd.
1 Nov, 2014 - Rev. 1.0


WD3131 데이터시트, 핀배열, 회로
Typical applications
Block diagram
WD3131
Pin descriptions
Symbol
LX
GND
FB
EN
OVP
VIN
Pin No.
1
2
3
4
5
6
Descriptions
Switch Output
Ground
Feedback
Enable, Active High
OVP Pin, Connect
to VOUT
Power Supply
Will Semiconductor Ltd.
2 Nov, 2014 - Rev. 1.0




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WD3131 led

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