XC9223/9224 Series
1A Driver Transistor Built-In Step-Down DC/DC Converters
Preliminary
PIN CONFIGURATION
VIN 1
VDIN 2
AGND 3
VDOUT 4
FB 5
10 PGND
9 LX
8 CE
7 MODE/SYNC
6 LIM
PGND 10
LX 9
CE 8
MODE/SYNC 7
LIM 6
1 VIN
2 VDIN
3 AGND
4 VDOUT
5 FB
MSOP-10
(TOP VIEW)
USP-10
(BOTTOM VIEW)
* Please short the AGND pin and the PGND pin
(pin no. 3 and 10) before use.
* For mounting intensity and heat dissipation, please
refer to recommended mounting pattern and
recommended metal mask when soldering the pad
of USP-10.
PIN ASSIGNMENT
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
PIN NAME
VIN
VDIN
AGND
VDOUT
FB
LIM
MODE/SYNC
CE
LX
PGND
FUNCTIONS
Input
Voltage Detector Input
Analog Ground
VD Output
Output Voltage Monitor
Over Current Limit Setting
Mode Switch / External Clock Input
Chip Enable
Switch
Power Ground
PRODUCT CLASSIFICATION
Ordering Information
XC9223B
12345
XC9224B
12345
DESIGNATOR
<The CE pin is commonly used in the DC/DC block and the VD block.>
<No CE pin in the VD block.
DESCRIPTION
Reference Voltage
(The VD block is constantly operated.)>
DESCRIPTION
: Fixed voltage
: 1.0 MHz
: 2.0 MHz
: MSOP-10
: USP-10
: Embossed tape, Standard feed
: Embossed tape, Reverse feed
SYMBOL
08
1
1
3
2
DC/DC Oscillation Frequency
2
A
Package
D
4
5
R
Device Orientation
L
Data Sheet
2
DC000019
TOREX [ TOREX SEMICONDUCTOR ]
