XC9502 Series
2ch. Step-up / down DC/DC Controller ICs
!
Peripheral Components Used for Test Circuits
Circuits 1, 2
L1, L2 :
22µH (SUMIDA CDRH5D28) : XC9502B092A
15µH (SUMIDA CDRH5D28) : XC9502B093A
10µH (SUMIDA CDRH5D28) : XC9502B095A
CRS02 (Schottky diode, TOSHIBA)
EC10QS06 (Schottky diode, NIHON INTER)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
35MCE335MB2 x 3 (Tantalum, NIHON CHEMICON)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
2SD1628 (SANYO)
2SA1213 (TOSHIBA)
Please use by the conditions as below.
RFB11 + RFB12
≤
1MΩ
RFB21 + RFB22
≤
1MΩ
RFB11 / RFB12 = (Setting Output Voltage / 0.9) -1
VOUT2=(0.9-VOUT1) X (RFB21/RFB22) + 0.9V
Please adjust as below:
fzfb=1/(2 x
π
x CFB1 x RFB11) = 1kHz ~50kHz ( 12kHz usual)
fzfb=1/(2 x
π
x CFB2 x RFB21) = 1kHz ~50kHz ( 12kHz usual)
22µH (SUMIDA CDRH5D28)
MA2Q737 (Schottky diode, MATSUSHITA)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
XP161A1355P (TOREX)
SD1, SD2 :
CL1, CL2 :
CIN :
NPN Tr1 :
PNP Tr1 :
RFB :
CFB :
Circuits 4
L1 :
SD1 :
CL1 :
CIN :
N-ch MOSFET1 :
Circuits 5
L1 :
22µH (SUMIDA CDRH5D28) : XC9502B092A
15µH (SUMIDA CDRH5D28) : XC9502B093A
10µH (SUMIDA CDRH5D28) : XC9502B095A
MA2Q737 (Schottky, MATSUSHITA)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
XP161A1355P (TOREX)
SD1 :
CL1 :
CIN :
N-ch MOSFET1 :
Circuit 7
L1 :
SD1 :
CL1 :
CIN :
P-ch MOSFET1 :
Circuit 8
L2 :
22µH (SUMIDA CDRH5D28)
MA2Q737 (Schottky diode, MATSUSHITA)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
XP162A12A6P (TOREX)
SD2 :
CL2 :
CIN :
P-ch MOSFET1 :
22µH (SUMIDA CDRH5D28) : XC9502B092A
15µH (SUMIDA CDRH5D28) : XC9502B093A
10µH (SUMIDA CDRH5D28) : XC9502B095A
MA2Q737 (Schottky, MATSUSHITA)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
16MCE476MD2 (Tantalum, NIHON CHEMICON)
XP161A12A6P (TOREX)
10
TOREX [ TOREX SEMICONDUCTOR ]
