RT9912A RICHTEK [Richtek Technology Corporation], RT9912A Datasheet - Page 9

• Manufacturer Part Number: RT9912A
• Description: Multi-Channel Power Management IC for Portable Device
• Manufacturer: RICHTEK [Richtek Technology Corporation]

(200mV/Div)
DS9912A-01 April 2011
FB4
(1V/Div)
RESET
3.10
3.08
3.05
3.03
3.00
2.98
2.95
2.93
2.90
4.0
3.5
3.0
2.5
2.0
1.5
1.0
3.3
0
CH3 Output Voltage vs. Output Current
LDO Output Voltage vs. Input Voltage
0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45 0.5
3.55
3.8
RESET Power On
Output Current (A)
Input Voltage (V)
4.05
Time (5ms/Div)
4.3
4.55
4.8
I
OUT
V
V
V
V
OUT
IN
IN
IN
V
= 200mA
DD4
= 4.5V
= 3.9V
= 3.3V
5.05
= 3.3V
= 1V
5.3
(200mV/Div)
FB4
(1V/Div)
RESET
3.3
3.2
3.1
3.0
2.9
2.8
2.7
400
350
300
250
200
150
100
50
0
-40
LDO Dropout Voltage vs. Output Current
0
CH3 Output Voltage vs. Temperature
-20
50
0
RESET Power Off
Output Current (mA)
100
Time (5ms/Div)
20
Temperature (°C)
150
40
RT9912A
60
V
200
OUT
www.richtek.com
= 3V, No Load
80
V
V
V
IN
IN
IN
V
V
250
OUT
DD4
= 4.5V
= 3.9V
= 3.3V
100
= 1V
= 3V
120
300
9