XC9220/XC9221
Series
■ELECTRICAL
CHARACTERISTICS
XC9220/XC9221 A and C series
PARAMETER
FB Voltage
Input Voltage Range
U.V.L.O. Voltage
(Minimum Operating Voltage)
Supply Current 2
Stand-by Current
Oscillation Frequency
Maximum Duty Ratio
PFM Duty Ratio
EXT/ High On Resistance
EXT/ Low On Resistance
Integral Protection Time
(*2)
Short-Circuit Protection
Soft-Start Time
Efficiency (*1)
FB Voltage
Temperature Characteristics
CE “High” Level Voltage
CE “Low” Level Voltage
CE “High” Level Current
CE “Low” Level Current
FB “High” Level Current
FB “Low” Level Current
Unless otherwise stated, V
IN
=5.0V
NOTE:
*1: EFFI = { (output voltage) x (output current)} / { (input voltage) x (input current) } x 100
*2: No Integral protection function is available with the XC9220/9221 C series.
** Refer to the CHARACTERISTICS CHART BY OSCILLATION FREQUENCY.
Ta = 25
O
C
CONDITIONS
MIN.
0.8865
2.8
1.9
V
IN
=5.0V, FB=1.0V
-
Connected to external
components
No load (XC9221 series only)
100
15
6
6
TYP.
MAX.
UNIT.
V
V
V
μA
μA
kHz
-
35
16
20
%
%
Ω
Ω
ms
0.7
-
-
-
0.3
0.1
0.1
0.1
0.1
V
ms
%
ppm
O
/ C
V
V
μA
μA
μA
μA
CIRCUIT
2
-
3
1
1
3
2
3
4
4
2
2
2
3
2
2
3
1
1
4
4
0.9000 0.9135
-
16.0
2.3
**
0.1
**
-
25
10
12
**
-
-
-
1.2
-
- 0.1
- 0.1
- 0.1
- 0.1
-
**
92
+100
-
-
-
-
-
-
2.7
SYMBOL
V
FB
V
IN
V
UVLO
I
DD2
I
STB
F
OSC
MAXDTY
PFMDTY
REXTBH
REXTBL
T
PRO
V
SHORT
T
SS
EFFI
V
FB
Topr V
FB
V
CEH
V
CEL
I
CEH
I
CEL
I
FBH
I
FBL
1.0
(XC9220/9221 A series)
V
IN
=CE=16V
V
IN
=16V, CE=0V
V
IN
=FB=16V
V
IN
=16V, FB=0V
4/22
TOREX [ TOREX SEMICONDUCTOR ]
