21/22
XC9220/XC9221
Series
USP-6C (TOP VIEW)
① represents product series
MARK PRODUCT SERIES
M XC9220xxxxxx
N XC9221xxxxxx
② represents product types
MARK FUNCTION PRODUCT SERIES
A
Soft-start internally set with integral protection function
XC922xAxxxxx
B
Soft-start externally set with integral protection function
XC922xBxxxxx
C
Soft-start internally set without integral protection function
XC922xCxxxxx
D
Soft-start externally set without integral protection function
XC922xDxxxxx
③ represents oscillation frequency
MARK OSCILLATION FREQUENCY PRODUCT SERIES
3 300kHz XC922xxxx3xx
5 500kHz XC922xxxx5xx
A 1.0MHz XC922xxxxAxx
① represents product series
MARK PRODUCT SERIES
1 XC9220xxxxxx
D XC9221xxxxxx
② represent product types
MARK FUNCTIONS PRODUCT SERIES
A
Soft-start internally set with integral protection function
XC922xAxxxxx
B
Soft-start externally set with integral protection function
XC922xBxxxxx
C
Soft-start internally set without integral protection function
XC922xCxxxxx
D
Soft-start externally set without integral protection function
XC922xDxxxxx
③④ represents FB voltage
MARK
③ ④
FB VOLTAGE PRODUCT SERIES
0 9 0.9V fixed XC922xx09xxx
⑤ represents oscillation frequency
MARK OSCILLATION FREQUENCY PRODUCT SERIES
3 300kHz XC922xxxx3xx
5 500kHz XC922xxxx5xx
A 1.0MHz XC922xxxxAxx
■ MARKING RULE
●SOT-25
④ represents production lot number
0 to 9, A to Z and inverted 0 to 9, A to Z repeated.
(G, I, J, O, Q, W excluded.)
●USP-6C
⑥ represents production lot number
0 to 9, A to Z repeated. (G, I, J, O, Q, W excluded.)
* No character inversion used.
SOT-25 (TOP VIEW)
