RT2519W
Parameter
Enable Voltage
Enable Threshold
Voltage
Enable Input Current
Current Limit
Output Current Limit
Power-Up Time
Power-Up Time
Dropout Voltage
V
IN
2.2V,
I
OUT
= 500mA
Dropout Voltage
V
DROP
V
OUT
+ 0.5V
V
IN
6V,
V
FB
= 0V
V
IN
2.5V,
I
OUT
= 750mA
V
IN
2.5V,
I
OUT
= 1A
Power Supply Ripple Rejection and Noise
f = 100Hz
Power Supply Ripple
Rejection
PSRR
V
IN
= 4.3V, V
OUT
= 3.3V, f = 1kHz
I
OUT
= 750mA
f = 10kHz
f = 1MHz
C
NR
= 1nF
Output Noise Voltage
BW = 100Hz to 100kHz,
V
IN
= 4.3V, V
OUT
= 3.3V, C
NR
= 10nF
I
OUT
= 100mA
C
NR
= 0.1F
Over-Temperature Protection
Thermal Shutdown
Thermal Shutdown
Recovery
T
SD
--
--
160
140
--
--
°C
--
--
--
--
--
--
--
48
63
63
38
15.6 x
V
OUT
15.6 x
V
OUT
15.1 x
V
OUT
--
--
--
--
--
--
--
V
RMS
dB
--
--
--
--
--
--
160
210
370
mV
V
OUT
= 3.3V,
R
OUT
= 3.3k,
C
OUT
= 4.7F
C
NR
= 1nF
C
NR
= 10nF
--
--
0.16
1.6
--
--
ms
I
LIM
V
IN
=
3.3V, V
OUT
= 0.85 x V
OUT
1.1
1.4
2
A
V
IH
V
IL
I
IH
V
EN
rising
2.2V
V
IN
6V,
R
OUT
= 1k
1.2
--
--
--
--
--
0.02
0.02
--
0.4
1
1
A
A
V
Symbol
Test Conditions
Min
Typ
Max
Unit
V
EN
falling, R
OUT
= 1k
V
IN
= 6V, V
EN
= 6V
V
IN
= 5.5V, V
FB
= 0.8V
Feedback Input Current I
FB
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2519W-00 May 2019
www.richtek.com
5
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
