R1212D002A RICOH [RICOH electronics devices division], R1212D002A Datasheet - Page 18

• Manufacturer Part Number: R1212D002A
• Description: STEP-UP DC/DC CONTOLLER
• Manufacturer: RICOH [RICOH electronics devices division]

18
R1212D
Fig.12 Output Current vs. Output Voltage/Efficiency, Response Characteristics Test Circuit
Inductor
NMOS
Diode
C1
C2
C3
C4
C5
C1
C2
C6
R5
LDR655312T-100(TDK) [R1212DxxxA]
LDR655312T-4R7(TDK) [R1212DxxxB]
LDR655312T-220(TDK) [R1212DxxxC]
CPH6415 (Sanyo)
CRS02 (Toshiba)
1500pF[R1212DxxxC]
1500pF[R1212DxxxC]
1000pF[R1212DxxxA]
1000pF[R1212DxxxA]
680pF[R1212DxxxB]
680pF[R1212DxxxB]
V
D
GND
V
IN
ELAY
REFOUT
Inductor
2.2 µ F
15 µ F
1 µ F
A
MPOUT
DTC
EXT
V
FB
C5
R6
NMOS
R4
SetV
Diode
C6
C7
R1
R2
R3
R4
R5
R6
C7
R3
C4
120k
30k
5V
Ω
Ω
R1
R2
V
OUT
240k
300k
180k
0.1 µ F
0.1 µ F
4.7k
20k
10V
1k
Ω
C3
Ω
Ω
Ω
Ω
Ω
140k
10k
15V
Ω
Ω