RT9511 RICHTEK [Richtek Technology Corporation], RT9511 Datasheet - Page 13

• Manufacturer Part Number: RT9511
• Description: Fully Integrated Battery Charger with Two Step-Down Converters
• Manufacturer: RICHTEK [Richtek Technology Corporation]

(10mV/Div)
DS9511-01 April 2011
V
(5V/Div)
OUT
V
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
LX
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
2.5
2.5
V
IN
2.8
2.8
= 3.6V, V
Current Limit vs. Input Voltage
Frequency vs. Input Voltage
3.1
3.1
Output Ripple Voltage
V
OUT
3.4
3.4
IN
Time (500ns/Div)
Input Voltage (V)
Input Voltage (V)
= 3.6V, V
= 1.2V, I
3.7
3.7
4
4
OUT
OUT
= 1A
= 1.2V,
4.3
4.3
4.6
4.6
I
OUT
V
4.9
OUT
4.9
= 300mA
= 1.2V
5.2
5.2
5.5
5.5
(10mV/Div)
V
(5V/Div)
OUT
V
LX
1.60
1.55
1.50
1.45
1.40
1.35
1.30
1.25
1.20
2.2
2.1
2.0
1.9
1.8
1.7
1.6
1.5
1.4
1.3
1.2
-40
-40
V
IN
= 5V, V
-15
-15
Current Limit vs. Temperature
Frequency vs. Temperature
Output Ripple Voltage
OUT
V
10
10
IN
= 1.2V, I
Temperature (°C)
Temperature (°C)
Time (500ns/Div)
= 3.6V, V
35
35
OUT
V
V
V
OUT
IN
IN
IN
= 1A
60
60
= 5V
= 3.6V
= 3.3V
= 1.2V,
RT9511
www.richtek.com
85
85
I
OUT
V
OUT
= 300mA
110
110
= 1.2V
13
135
135