RT9198 Datasheet, PDF (6/15 Pages) Richtek Technology Corporation – 300mA, Low Noise, Ultra-Fast CMOS LDO Regulator

RT9198/A
Typical Operating Characteristics
Output Voltage vs. Temperature
2
VIN = 5V
CIN = COUT = 1uF
1.9
1.8
No Load
1.7
1.6
-50 -25
0
25 50 75
Temperature (°C)
100 125
EN Pin Shutdown Threshold vs. Temperature
1.5
1.25
RT9198/A-15
VIN = 3.3V
CIN = COUT = 1uF
1
0.75
0.5
0.25
-50 -25
0
25
50 75
Temperature (°C)
100 125
Dropout Voltage vs. Load Current
300
RT9198/A-33
CIN = COUT = 1uF
250
TJ = 125°C
200
TJ = 25°C
150
TJ = -40°C
100
50
0
0
0.05 0.1 0.15 0.2 0.25 0.3
Load Current (A)
www.richtek.com
6
Quiesent Current vs. Temperature
100
RT9198/A-15
95
VIN = 3.3V
CIN = COUT = 1uF
90
85
80
75
70
65
60
-50 -25
0
25 50 75
Temperature (°C)
100 125
Current Limit vs. Input Voltage
600
RT9198/A-15
CIN = COUT = 1uF
550
500
450
400
350
300
2 2.5 3 3.5 4 4.5 5 5.5 6 6.5
Input Voltage (V)
PSRR
20
VOUT = 2.5V
CIN = COUT = 1uF, X7R
0
-20
-40
ILOAD = 100mA
-60
ILOAD = 10mA
-80
0¹.0⁰1
1₀0_.10
1₁K
1₁0₀K
Frequency (kHHzz) )
1₁0₀0₀K
1¹0^M00
DS9198/A-10 November 2006