XC9201
Series
XC9201D09AR
PARAMETER
FB Voltage
Maximum Operating
Voltage
Minimum Operating
Voltage
U.V.L.O. Voltage
Supply Current 1
Supply Current 2
Stand-by Current
CLK Oscillation
Frequency
Ta=25℃
SYMBOL
V
FB
V
IN
max
V
IN
min
V
UVLO
I
DD
1
I
DD
2
I
STB
F
OSC
ΔF
OSC
ΔV
IN
�½�F
OSC
ΔF
OSC
EXT voltage = High
V
IN
=4.0V, CE=V
IN
=FB
V
IN
=20.0V, CE=V
IN
, FB=V
SS
V
IN
=4.0V, CE=FB=V
SS
RT=10.0kΩ, CT=220pF
V
IN
=2.5V∼20V
V
IN
=4.0V
280
1.0
1.400
115
130
0.5
330
±5
I
OUT
=300mA
CONDITIONS
MIN.
0.8775
20
2.200
2.0
220
235
2.0
380
TYP.
0.900
MAX.
0.9225
UNITS CIRCUITS
V
V
V
V
μA
μA
μA
kHz
%
q
q
q
t
w
w
w
e
e
Frequency
Input Stability
Frequency Temperature
Fluctuation
ΔT
OPR
�½�F
OSC
TOPR=−40∼+85℃
FB=V
SS
FB=V
IN
V
IN
pin voltage - I
SEN
pin voltage
V
IN
=4.0V, I
SEN
=4.0V
CE=V
IN
=20.0V, FB=0V
CE=0V, V
IN
=20.0V, FB=0V
Existance of CLK Oscillation,
FB=0V, CE：Voltage applied
90
4.5
−0.1
−0.1
0.6
100
±5
%
%
0
%
mV
μA
μA
μA
V
e
r
r
y
y
t
t
t
Maximum Duty Cycle MAXDTY
5
Minimum Duty Cycle
Current Limiter
Voltage
I
SEN
Current
CE "High" Current
CE "Low" Current
CE "High" Voltage
MINDTY
I
LIM
I
ISEN
I
CEH
I
CEL
V
CEH
150
7
0
0
220
13
0.1
0.1
CE "Low" Voltage
EXT "High"
ON Resistance
EXT "Low"
ON Resistance
V
CEL
R
EXTH
R
EXTL
EFFI
T
SS
R
CCGAIN
Dissapearance of CLK Oscillation,
FB=0V、CE：Voltage applied
EXT=V
IN
−0.4V, CE=FB=V
IN
*1
EXT=0.4V, CE=V
IN
, FB=V
SS
*1
27
24
93
Connect C
SS
and R
SS
, CE : 0V → 4.0V
5
10
400
0.2
40
34
V
Ω
Ω
%
t
r
r
q
q
u
Efficiency
(NOTE1)
Soft-start Time
CC/GAIN Pin
Output Impedance
20
ms
kΩ
V
IN
= 4.0V unless specified
External components : RFB1 = 200kΩ, RFB2 = 100kΩ, CFB = 82pF
*1 : On resistance = 0.4V / measurement current
NOTE1 : EFFI = {[(Output Voltage) x (Output Current)]
÷
[(Input Voltage) x (Input Current)]} x 100
NOTE2 : The capacity range of the condenser used to set the external CLK frequency is 180
∼
300pF
542
TOREX [ TOREX SEMICONDUCTOR ]
