RT2519W
Typical Operating Characteristics
UVLO vs. Temperature
Reference Voltage vs. Temperature
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
0.810
Logic-High
Logic-Low
0.805
VIN = 2.2V
0.800
VIN = 3.3V
VIN = 4.3V
VIN = 5.5V
VIN = 6V
0.795
0.790
VOUT = 0.8V, VEN = 2.2V
50 75 100 125
IOUT = 1mA
75 100 125
-50
-25
0
25
-50
-25
0
25
50
Temperature (°C)
Temperature (°C)
Shutdown Current vs. Temperature
Dropout Voltage vs. Input Voltage
2.5
2.0
1.5
1.0
0.5
0.0
200
150
100
50
VEN = 0.4V
0°C
25°C
−40°C
85°C
125°C
VIN = 2.2V
VIN = 3.3V
V
V
IN = 4.3V
IN = 5V
VIN = 5.5V
IN = 6V
V
IOUT = 1000mA
5 6
0
-50
-25
0
25
50
75
100
125
2
3
4
Temperature (°C)
Input Voltage (V)
Dropout Voltage vs. Output Current
PSRR vs. Frequency
200
150
100
50
90
80
70
60
50
40
30
20
10
0
0°C
−40°C
25°C
85°C
125°C
IOUT = 10mA
IOUT = 100mA
IOUT = 750mA
IOUT = 1000mA
No CIN, VIN = 4.3V,
COUT = 4.7μF, VOUT = 3.3V
VIN = 2.5V
800 1000
0
0
200
400
600
10
100
1k
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 ]
