XC9303
Series
■TEST
CIRCUITS
Circuit
①
Circuit
②
Circuit
③
Circuit
④
Circuit
⑤
External Components:
Circuit
①
L:
22μH (CDRH127/LD, SUMIDA)
SD:
CMS02 (Schottky Barriar Diode, TOSHIBA)
C
L
:
16MCE476MD2 (Tantalum Type, NIHONCHEMICON)
C
IN
:
16MCE476MD2 (Tantalum Type, NIHONCHEMICON)
PNP Tr1:
2SA1213 (TOSHIBA)
Tr2:
CPH3409 (SANYO)
Tr3:
CPH3409 (SANYO)
R
FB
:
Please use by the conditions as below.
R
FB1
+ R
FB2
≦
1M
Ω
R
FB1
/ R
FB2
= (Setting Output Voltage / 0.9) -1
C
FB
:
fztb = 1 / (2 x
π×
C
FB
×
R
FB1
) =1kHz ~ 50kHz (12kHz usual)
Circuit
③
L:
SD:
C
L
:
C
IN
:
Tr1:
Tr2:
Tr3:
Circuit
④
L:
SD:
C
L
:
C
IN
:
Tr1:
Tr2:
22μH (CDRH127/LD, SUMIDA)
CMS02 (Schottky Barriar Diode, TOSHIBA)
16MCE476MD2 (Tantalum Type, NIHONCHEMICON)
16MCE476MD2 (Tantalum Type, NIHONCHEMICON)
CPH6315 (SANYO)
CPH3409 (SANYO)
CPH3409 (SANYO)
22μH (CDRH127 / LD, SUMIDA)
CMS02 (Schottky Barriar Diode, TOSHIBA)
16MCE476MD2 (Tantalum Type, NIHONCHEMICON)
16MCE476MD2 (Tantalum Type, NIHONCHEMICON)
CPH6315 (SANYO)
CPH3409 (SANYO)
7/20
TOREX [ TOREX SEMICONDUCTOR ]
