XC6221
Series
■MARKING RULE
●SOT-25 / USP-4
①Represents product series
5
4
MARK
PRODUCT SERIES
XC6221******
XC6221S*****
3
①
②
③
④
⑤
1
2
4
3
1
2
3
SOT-25
(TOP VIEW)
USP-4
(TOP VIEW)
②Represents type of regulator
MARK
OUTPUT VOLTAGE 0.1V INCREMENTS OUTPUT VOLTAGE 0.05V INCREMENTS
PRODUCT SERIES
VOUT =0.8~3.0V
VOUT =3.1~5.0V
VOUT =0.85~3.05V
VOUT =3.15~4.95V
V
X
A
B
E
F
L
XC6221A*****
XC6221B*****
M
Custom products:Represents last 1 digits of registered serial number.
0 to 9, reverse character 0 to 9 repeated (G, I, J, O, Q, W excepted)
ex.) CUSTOM PRODUCTS
MARK
0
SERIAL
01
PRODUCT SERIES
XC6221S01XM*
③Represents output voltage
MARK
OUTPUT VOLTAGE (V)
MARK
OUTPUT VOLTAGE (V)
0
1
2
3
4
5
6
7
8
9
A
B
C
D
E
-
-
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
4.5
-
-
3.15
3.25
3.35
3.45
3.55
3.65
3.75
3.85
3.95
4.05
4.15
4.25
4.35
4.45
4.55
F
H
K
L
1.6
1.7
1.8
1.9
2.0
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
3.0
4.6
1.65
1.75
1.85
1.95
2.05
2.15
2.25
2.35
2.45
2.55
2.65
2.75
2.85
2.95
3.05
4.65
4.7
4.75
-
-
4.8
4.85
-
-
4.9
4.95
-
-
M
N
P
R
S
T
5.0
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.8
0.9
1.0
1.1
1.2
1.3
1.4
1.5
0.85
0.95
1.05
1.15
1.25
1.35
1.45
1.55
U
V
X
Y
Z
Custom products:Represents last 1 digits of registered serial number.
0 to 9, reverse character 0 to 9 repeated (G, I, J, O, Q, W excepted)
ex.) CUSTOM PRODUCTS
MARK
0
SERIAL
01
PRODUCT SERIES
XC6221S01XM*
④⑤Represents production lot number
01, …, 09, 10, 11, …99, 0A, …,0Z, 1A, … 9Z, A0, …, Z9, AA, …, ZZ repeated.
(G, I, J, O, Q, W excepted)
*No character inversion used.
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