RT2519W
Typical Operating Characteristics
Reference Voltage vs. Temperature
0.810
UVLO vs. Temperature
2.2
2.1
Reference Voltage (V)
0.805
Logic-High
2.0
UVLO (V)
0.800
0.795
V
IN
= 2.2V
V
IN
= 3.3V
V
IN
= 4.3V
V
IN
= 5.5V
V
IN
= 6V
I
OUT
= 1mA
1.9
Logic-Low
1.8
1.7
1.6
V
OUT
= 0.8V, V
EN
= 2.2V
1.5
-50
-25
0
25
50
75
100
125
0.790
-50
-25
0
25
50
75
100
125
Temperature (°C)
Temperature (°C)
Shutdown Current vs. Temperature
2.5
Dropout Voltage vs. Input Voltage
200
V
EN
= 0.4V
Shutdown Current (μA)1
1.5
1.0
V
IN
= 2.2V
V
IN
= 3.3V
V
IN
= 4.3V
V
IN
= 5V
V
IN
= 5.5V
V
IN
= 6V
Dropout Voltage (mV)
2.0
150
0°C
25°C
−40°C
85°C
125°C
100
0.5
50
I
OUT
= 1000mA
0.0
-50
-25
0
25
50
75
100
125
0
2
3
4
5
6
Temperature (°C)
Input Voltage (V)
Dropout Voltage vs. Output Current
200
90
80
PSRR vs. Frequency
Dropout Voltage (mV)
150
PSRR (dB)
100
0°C
−40°C
25°C
85°C
125°C
70
60
50
40
30
20
I
OUT
= 10mA
I
OUT
= 100mA
I
OUT
= 750mA
I
OUT
= 1000mA
50
V
IN
= 2.5V
0
0
200
400
600
800
1000
10
0
10
100
1k
No C
IN
, V
IN
= 4.3V,
C
OUT
= 4.7μF, V
OUT
= 3.3V
10k
100k
1M
10M
Output Current (mA)
Frequency (Hz)
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS2519W-00 May 2019
www.richtek.com
7
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
