RT9907GQV RICHTEK [Richtek Technology Corporation], RT9907GQV Datasheet - Page 10

• Manufacturer Part Number: RT9907GQV
• Description: 3 Channel DC/DC Converters IC with High-Efficiency Step-Up and Step-Down
• Manufacturer: RICHTEK [Richtek Technology Corporation]

RT9907
www.richtek.com
10
100
90
80
70
60
50
1
V
V
V
IN
IN
OUT
Buck2 Efficiency vs. Output Current
= 2.5V, V
= 3V, V
= 1.8V
Boost LX & Output Ripple
Boost LX & Output Ripple
OUT
OUT
V
IN
Output Current (mA)
= 3.3V, @I
10
= 4.5 V
= 3.3V, @I
Time (1us/Div)
Time (1us/Div)
V
IN
IN
= 2.5V
OUT
= 3.8V
OUT
= 400mA
= 400mA
100
V
IN
= 3V
Preliminary
1000
100
100
90
80
70
60
50
90
80
70
60
50
40
30
1
1
V
V
V
Buck2 Efficiency vs. Output Current
OUT
OUT
V
IN
Buck2 Efficiency vs. Output Current
IN
= 3V, V
= 3V
= 1.5V
= 2.5V
Boost LX & Output Ripple
V
V
IN
IN
OUT
= 3.8V
= 4.5V
Output Current (mA)
= 3.3V, @I
10
10
Output Current (mA)
Time (1us/Div)
V
IN
V
= 3.8V
IN
DS9907-07 August 2007
= 4.5
OUT
V
= 100mA
IN
V
= 3V
100
IN
100
= 2.2V
V
IN
= 2.5V
1000
1000