XC6365/6366
Series
■ELECTRICAL
CHARACTERISTICS (Continued)
XC6365A503MR, XC6366A503MR
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
Conditions:
(V
OUT
=5.0V, FOSC=300kHz)
CONDITIONS
MIN.
4.875
10.0
0.9
-
-
-
-
255
100
15
0.65
-
-
-
-
5
TYP.
5.000
-
-
67
67
16
-
300
-
25
-
-
12
10
93
10
Ta=25℃
MAX. UNITS
5.125
V
-
V
2.2
122
122
29
0.5
345
-
35
-
0.20
17
14
-
20
V
μA
μA
μA
μA
kHz
%
%
V
V
μA
μA
%
msec
I
DD2
ISTB
FOSC
MAXDTY
PFMDTY
V
CEH
V
CEL
R
EXTBH
R
EXTBL
EFFI
T
SS
Same as I
DD1
,
Voltage which EXT/pin voltage holding “H” level
No external components, CE=V
DD
, V
OUT
=0V
No external components,
XC6365
CE=V
OUT
=V
DD
XC6366
No external components, CE=V
OUT
=0V
Measuring of EXT/ waveform,
V
IN
=output voltage + 0.1V
No load (XC6366 only)
No external components, V
OUT
=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)
1. Unless otherwise stated, connect external components. V
IN
=V
DD
= 7.5V, I
OUT
= 330mA
2. XC6365/66C series external components: C
SS
=0.033μF, R
SS
=470kΩ
709