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LP3350 Scheda tecnica(PDF) 3 Page - Lowpower Semiconductor inc

Il numero della parte LP3350
Spiegazioni elettronici  LED Driver with PWM Dimming Control
PDF  7 Pages
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Produttore elettronici  POWER [Lowpower Semiconductor inc]
Homepage  http://www.lowpowersemi.com
Logo POWER - Lowpower Semiconductor inc

LP3350 Scheda tecnica(HTML) 3 Page - Lowpower Semiconductor inc

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Preliminary Datasheet
LP3350
Email: marketing@lowpowersemi.com www.lowpowersemi.com
Page 3 of 7
LP3350–00 Version 0.3 NOV-2017
Function Block Diagram
CS
OVP
Internal
Regulator
UVLO
GATE
Gate
Driver
Control
Logic
OSC
OTP
OCP
OVP
CTRL
EN / PWM
COMP
FB
EA and
Comp.
VIN
GND
Figure 3. Function Block Diagram
Functional Pin Description
Pin NO.
Pin Name
Description
1
VIN
Input Supply Pin. Decouple with 10
μF ceramic capacitor close to the pin.
2
GATE
External NMOS Gate Drive Pin.
3
GND
Ground.
4
CS
Current Sense Input Pin.
5
FB
Regulator Feedback Input. Connect to an external resistive to set the output current.
6
COMP
Regulator Error Amplifier Compensation Pin.
7
OVP
Over Voltage Protection Sense Input. Connect to an external resistive voltage divider
from the V+ to GND.
8
CTRL
Enable and External PWM Dimming Control.



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