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RT8472 डेटा पत्रक PDF( Datasheet डाउनलोड )


डेटा पत्रक - High Brightness LED Driver - Richtek

भाग संख्या RT8472
समारोह High Brightness LED Driver
मैन्युफैक्चरर्स Richtek 
लोगो Richtek लोगो 
पूर्व दर्शन
1 Page
		
<?=RT8472?> डेटा पत्रक पीडीएफ

RT8472 pdf
RT8472
Typical Application Circuit
VIN
5V to 30V
CIN
10µF/50V
RT8472
5 VIN
SENSE 4
RS
optional
3 ADJ
2 GND
LX 1
L
D
Functional Pin Description
Pin No.
1
Pin Name
LX
Pin Function
Switching Node. Open drain output of internal N-MOSFET.
2 GND
3 ADJ
4 SENSE
Ground.
Dimming Control Input :
--- Analog signal input for analog PWM dimming.
--- PWM signal input for digital PWM dimming.
Output Current Sense Terminal. Sense LED string current.
5 VIN
Supply Input Voltage.
Function Block Diagram
VIN
Regulator
Bandgap
UVLO
UVLO
VCC
1.25V
+
-
Ramp Gen.
+ Dimming
ADJ -
SENSE
UVLO
Dimming
MOSFET
LX
GND
Copyright ©2013 Richtek Technology Corporation. All rights reserved.
www.richtek.com
2
is a registered trademark of Richtek Technology Corporation.
DS8472-01 March 2013

विन्यास 11 पेज
डाउनलोड[ RT8472 Datasheet.PDF ]


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