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R1211X Datasheet, PDF (18/33 Pages) RICOH electronics devices division – Step-up DC/DC Controller
<Components>
Inductor (L)
: 22µH (TDK LDR655312T-220)
Diode (SD)
: CRS02 (Toshiba)
Capacitors
C1: 680pF(Ceramic), C2: 22µF (Tantalum)+2.2µF (Ceramic),
C3: 68µF (Tantalum)+2.2µF (Ceramic), C5: 22µF (Tantalum)
NMOS Transistor : IRF7601 (International Rectifier)
Resistors
: R1: 90kΩ, R2: 10kΩ, R3: 30kΩ
s TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current
R1211X002A
5.1
L=10uH
VOUT=5V
R1211X002A
10.2
L=10uH
VOUT=10V
5
VIN=2.5V
VIN=3.3V
4.9
1
10
100
Output Current IOUT [mA]
R1211X002A
15.3
L=10uH
VOUT=15V
1000
10
VIN=2.5V
VIN=3.3V
VIN=5.0V
9.8
1
10
100
Output Current IOUT [mA]
R1211X002B
5.1
L=10uH
VOUT=5V
1000
15
VIN=2.5V
VIN=3.3V
VIN=5.0V
14.7
1
10
100
Output Current IOUT [mA]
R1211X002B
10.2
L=10uH
VOUT=10V
1000
5
VIN=2.5V
VIN=3.3V
4.9
1
10
100
Output Current IOUT [mA]
R1211X002B
15.3
L=10uH
VOUT=15V
1000
10
9.8
1
VIN=2.5V
VIN=3.3V
VIN=5.0V
10
100
Output Current IOUT [mA]
15
1000
14.7
1
VIN=2.5V
VIN=3.3V
VIN=5.0V
10
100
Output Current IOUT [mA]
1000
Rev. 1.10
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