XC6365/6366
Series
■ELECTRICAL
CHARACTERISTICS (Continued)
XC6365A103MR, XC6366A103MR
PARAMETER
SYMBOL
Output Voltage
V
OUT
Maximum Input Voltage
V
IN
U.V.L.O. Voltage
V
UVLO
(Minimum Operating Voltage)
Supply Current 1
I
DD1
Supply Current 2
Stand-by Current
Oscillation Frequency
Maximum Duty Ratio
PFM Duty Ratio
CE "High" Voltage
CE "Low" Voltage
EXT "High" ON Resistance
EXT "Low" ON Resistance
Efficiency
Soft-Start Time
I
DD2
ISTB
FOSC
MAXDTY
PFMDTY
V
CEH
V
CEL
R
EXTBH
R
EXTBL
EFFI
T
SS
CONDITIONS
(V
OUT
=3.0V, FOSC=300kHz)
MIN.
2.975
10.0
0.9
-
-
-
-
255
100
15
0.65
-
-
-
-
5
TYP.
3.000
-
-
55
55
15
-
300
-
25
-
-
17
15
92
10
Ta=25℃
MAX. UNITS
3.075
V
-
V
2.2
100
100
27
0.5
345
-
35
-
0.20
24
20
-
20
V
μA
μA
μA
μA
kHz
%
%
V
V
μA
μA
%
msec
Same as I
DD1
,
Voltage which EXT/pin voltage holding “H” level
No external components, CE=V
IN
, V
OUT
=0V
No external components,
XC6365
CE=V
DD
, FB=1.2V
XC6366
No external components, CE=FB=0V
Measuring of EXT/ waveform,
V
IN
=output voltage + 0.1V
No load (XC6366 only)
No external components, FB=0V,
Voltage which EXT/pin voltage holding “L” level
No external components, V
OUT
=0V,
Voltage which EXT/pin voltage holding “H” level
Same as I
DD2
, V
EXT/=
V
IN
-0.4V
Same as I
DD1
, V
EXT/=
0.4V
Use of a XP162A12A6
transistor recommended
Connect R
SS
, C
SS
, CE, 0V→ 3.0V
(When V
IN
≦3.0V,
V
IN
=3.0V)
V
IN
=V
DD
= 4.5V, I
OUT
= 200mA
Conditions: 1. Unless otherwise stated, connect external components.
3. R
FB1
= 400kΩ, R
FB2
= 200kΩ, CFB = 100ppF
2. XC6365/66C series external components: C
SS
=0.033μF, R
SS
=470kΩ
710
TOREX [ TOREX SEMICONDUCTOR ]
