Product specifications
2/22
XC9220
/
XC9221 Series
PIN NUMBER
SOT-25 USP-6C
PIN NAME FUNCTION
1 6 CE/CSS Chip Enable / Soft-Start
2 5 VSS Ground
3 4 FB Output Voltage Sense
4 3 EXT/ External Transistor Drive
- 2 NC No Connection
5 1 VIN Power Supply
DESIGNATOR ITEM SYMBOL DESCRIPTION
A Soft-start internally set with integral protection function
B Soft-start externally set with integral protection function
C Soft-start internally set without integral protection function
①
Type of DC/DC Controller
ICs
D Soft-start externally set without integral protection function
②③ Output Voltage 09 FB Voltage (Fixed)
3 300kHz
5 500kHz
④ Oscillation Frequency
A 1.0MHz
MR SOT-25 (3,000/Reel)
MR-G SOT-25 (3,000/Reel)
ER USP-6C (3,000/Reel)
⑤⑥-⑦
(*1)
Packages (Order Unit)
ER-G USP-6C (3,000/Reel)
■PIN CONFIGURATION
SOT-25
(TOP VIEW)
USP-6C
(BOTTOM VIEW)
■PIN ASSIGNMENT
■PRODUCT CLASSIFICATION
●Ordering Information
XC9220①②③④⑤⑥-⑦
(
*1
)
: PWM control
XC9221①②③④⑤⑥-⑦
(
*1
)
: PWM/PFM automatic switching control
* 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.
1 2 3
5 4
CE/C
SS
V
SS
FB
EXT/V
IN
(*1)
The “-G” suffix denotes Halogen and Antimony free as well as being fully EU RoHS compliant.