RT9054 Datasheet, PDF (6/11 Pages) Richtek Technology Corporation – Portable Power Management 300mA Dual LDO Regulator

RT9054
Typical Operating Characteristics
Output Voltage vs. Temperature
1.9
RT9054-GS, VOUT1
1.85
Output Voltage vs. Temperature
3.4
RT9054-GS, VOUT2
3.35
1.8
3.3
1.75
3.25
1.7
-50 -25
0
25 50 75
Temperature (°C)
100 125
3.2
-50 -25
0
25 50 75 100 125
Temperature (°C)
Quiescent Current vs. Temperature
70
RT9054-GS
VIN = VENx = 4.3V
65
60
55
50
-50 -25
0
25
50 75
Temperature (°C)
100 125
Dropout Voltage vs. Load Current
350
RT9054-GS, VOUT2
300
TJ = 125°C
250
TJ = 25°C
200
150
TJ = -40°C
100
50
0
0
50
100 150 200 250 300
Load Current (mA)
Power On from V_IN
RT9054-FM, VEN1 = VEN2 = 1.5V
Both ILOAD = 10mA
VIN
(5V/Div)
VOUT1
(1V/Div)
VOUT2
(2V/Div)
Line Transient Response
RT9054-GS, Both ILOAD = 1mA
VIN = 3.8V to 4.8V
VIN ^4.8
(V)
3.8
VOUT2
(10mV/Div)
VOUT1
(10mV/Div)
Time (10μs/Div)
Time (100μs/Div)
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
www.richtek.com
6
is a registered trademark of Richtek Technology Corporation.
DS9054-03 February 2012