RT9907GQV RICHTEK [Richtek Technology Corporation], RT9907GQV Datasheet - Page 8

• 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
Typical Operating Characteristics
www.richtek.com
8
3.332
3.328
3.326
3.324
3.322
3.318
3.316
0.808
0.806
0.804
0.802
0.798
0.796
0.794
0.792
3.33
3.32
100
0.8
90
80
70
60
50
2.4
-50
1
Boost Output Voltage vs. V
V
V
BAT
Boost Efficiency vs. Output Current
OUT
Reference Voltage vs. Temperature
2.8
= 2.5V, V
-30
= 3.3V
3.2
-10
DD1
Output Current (mA)
Temperature
10
V
= 3.3V, I
3.6
DDM
10
Voltage (V)
4
OUT
30
= 250mA
(°C)
4.4
100
DDM
50
4.8
Voltage
70
5.2
Preliminary
Boost
V
3V
2.5V
2V
1.8V
IN
1000
5.6
90
1800
1600
1400
1200
1000
3.345
3.335
3.325
3.315
3.305
800
600
400
200
3.34
3.33
3.32
3.31
0
1.5
0
V
Boost Output Voltage vs. V
V
IN
BAT
Boost Load Transient Response
= 1.8V, V
2
Oscillator Ferquency vs. R
= 2.5V, V
100
2.5
OUT
DDM
200
= 3.3V, @I
Time (1ms/Div)
V
3
= 3.3V, I
DD1
R
RT
DS9907-07 August 2007
300
Voltage (V)
3.5
(kΩ)
OUT
OUT
= 250mA
= 100mA to 400mA
4
400
DD1
4.5
RT
500
Voltage
5
600
5.5