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RT2519W Datasheet(PDF) 2 Page - Richtek Technology Corporation

No. de Pieza. RT2519W
Descripción  1A, Low Noise, Ultra High PSRR, Low-Dropout Linear Regulator
Descarga  13 Pages
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Fabricante  RICHTEK [Richtek Technology Corporation]
Página de inicio  http://www.richtek.com
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RT2519W Datasheet(HTML) 2 Page - Richtek Technology Corporation

 
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RT2519W
2
DS2519W-00 May 2019
www.richtek.com
©
Copyright 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Functional Pin Description
Functional Block Diagram
Pin No.
Pin Name
Pin Function
1, 2
VOUT
Output of the regulator. Decouple this pin to GND with at least 4.7
F for stability.
3
FB
Feedback voltage input. This pin is used to set the desired output voltage via an
external resistive divider. The feedback reference voltage is 0.8V typically.
4
GND
System ground.
5
EN
Enable control input. Connecting this pin to logic high enables the regulator or
driving this pin low puts it into shutdown mode. EN can be connected to IN if not
used. (EN pin is not allowed to be left floating.)
6
NR
Noise reduction input. Decouple this pin to GND with an external capacitor can not
only reduce output noise to very low levels but also slow down the VOUT rise like a
soft-start behavior.
7, 8
VIN
Supply input. A minimum of 1
F ceramic capacitor should be placed as close as
possible to this pin for better noise rejection.
Pin Configuration
(TOP VIEW)
VDFN-8AL 3x3
VOUT
FB
VOUT
GND
VIN
VIN
EN
NR
4
1
3
2
5
8
6
7
Control Logic
Bandgap
EN
VIN
GND
FB
VOUT
Current
Limit
Quick Start-Up
-
Thermal
Protection
UVLO
NR
Marking Information
8S=YM
DNN
8S= : Product Code
YMDNN : Date Code


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