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RT2519W Datasheet(PDF) 5 Page - Richtek Technology Corporation

Part # RT2519W
Description  1A, Low Noise, Ultra High PSRR, Low-Dropout Linear Regulator
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Manufacturer  RICHTEK [Richtek Technology Corporation]
Direct Link  http://www.richtek.com
Logo RICHTEK - Richtek Technology Corporation

RT2519W Datasheet(HTML) 5 Page - Richtek Technology Corporation

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RT2519W
5
DS2519W-00 May 2019
www.richtek.com
©
Copyright 2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
Parameter
Symbol
Test Conditions
Min
Typ
Max
Unit
Enable Voltage
Enable Threshold
Voltage
VIH
VEN rising
2.2V
 VIN  6V,
ROUT = 1k
1.2
--
--
V
VIL
VEN falling, ROUT = 1k
--
--
0.4
Enable Input Current
IIH
VIN = 6V, VEN = 6V
--
0.02
1
A
Feedback Input Current IFB
VIN = 5.5V, VFB = 0.8V
--
0.02
1
A
Current Limit
Output Current Limit
ILIM
VIN = 3.3V, VOUT = 0.85 x VOUT
1.1
1.4
2
A
Power-Up Time
Power-Up Time
VOUT = 3.3V,
ROUT = 3.3k,
COUT = 4.7F
CNR = 1nF
--
0.16
--
ms
CNR = 10nF
--
1.6
--
Dropout Voltage
Dropout Voltage
VDROP
VOUT + 0.5V  VIN  6V,
VFB = 0V
VIN  2.2V,
IOUT = 500mA
--
--
160
mV
VIN  2.5V,
IOUT = 750mA
--
--
210
VIN  2.5V,
IOUT = 1A
--
--
370
Power Supply Ripple Rejection and Noise
Power Supply Ripple
Rejection
PSRR
VIN = 4.3V, VOUT = 3.3V,
IOUT = 750mA
f = 100Hz
--
48
--
dB
f = 1kHz
--
63
--
f = 10kHz
--
63
--
f = 1MHz
--
38
--
Output Noise Voltage
BW = 100Hz to 100kHz,
VIN = 4.3V, VOUT = 3.3V,
IOUT = 100mA
CNR = 1nF
--
15.6 x
VOUT
--
VRMS
CNR = 10nF
--
15.6 x
VOUT
--
CNR = 0.1F
--
15.1 x
VOUT
--
Over-Temperature Protection
Thermal Shutdown
TSD
--
160
--
°C
Thermal Shutdown
Recovery
--
140
--


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