XC6371/6372/6373
Series
■BLOCK
DIAGRAMS
XC6371/72/73A, C
(The V
OUT
pin serves also as V
DD
)
(
p
)
Soft Start
Vref
Phase comp
Lx
VLx l imi ter
Buffer
PWM Control
OSC 50/100/180KHz
V
DD
V
OUT
V
SS
EXT
+
－
Chip Enable
CE
Note: The CE pin is only used with the XC6371C.
XC6371/72/73E
V
DD
Lx
VLx l imi ter
Buffer
PWM Control
OSC 50/100/180KHz
Soft Start
Vref
Phase comp
V
DD
V
SS
V
OUT
EXT
+
－
Note: Built-in transistor type units use the Lx pin.
■ABSOLUTE
MAXIMUM RATINGS
Ta=25℃
PARAMETER
V
OUT
Input Voltage
L
X
pin Voltage
L
X
pin Current
CE Input Voltage
SOT-89, 89-5
Power Dissipation
USP-6B
V
DD
Input Voltage
Operating Temperature Range
Storage Temperature Range
SYMBOL
V
OUT
V
LX
I
LX
V
CE
P
d
V
DD
Topr
Tstg
RATINGS
12
12
400
12
500
100
12
-30~＋80
-40~＋125
UNITS
V
V
mA
V
mW
V
℃
℃
588
TOREX [ TOREX SEMICONDUCTOR ]
