XC9220/XC9221
Series
■PIN
CONFIGURATION
V
IN
5
EXT/
4
1
2
3
* The dissipation pad for the USP-6C package
(preliminary) should be solder-plated in
recommended mount pattern and metal
masking so as to enhance mounting strength
and heat release. If the pad needs to be
connected to other pins, it should be
connected to the V
SS
(No.5) pin.
CE/C
SS
V
SS
FB
USP-6C
(BOTTOM VIEW)
SOT-25
(TOP VIEW)
■PIN
ASSIGNMENT
PIN NUMBER
SOT-25
USP-6C
1
2
3
4
-
5
6
5
4
3
2
1
PIN NAME
CE/C
SS
V
SS
FB
EXT/
NC
V
IN
FUNCTION
Chip Enable / Soft-Start
Ground
Output Voltage Sense
External Transistor Drive
No Connection
Power Supply
■PRODUCT
CLASSIFICATION
●Ordering
Information
XC9220
123456:
PWM control
XC9221
123456
: PWM/PFM automatic switching control
DESIGNATOR
DESCRIPTION
Type of DC/DC Controller
ICs
SYMBOL
A
B
C
D
DESCRIPTION
: Soft-start internally set with integral protection function
: Soft-start externally set with integral protection function
: Soft-start internally set without integral protection function
: Soft-start externally set without integral protection function
: FB Voltage (Fixed)
: 300kHz
: 500kHz
: 1.0MHz
: SOT-25
: USP-6C
: Embossed tape, standard feed
: Embossed tape, reverse feed
1
23
4
5
6
Output Voltage
09
3
Oscillation Frequency
5
A
M
E
R
L
Package
Device Orientation
2/22
TOREX [ TOREX SEMICONDUCTOR ]
