
Electrical Characteristics
XC9101C25AKR
V
OUT
=2.5V, FOSC=300kHz, Ta=25
O
C
VIN = 2.0V unless specified
*1 : EFFI = {[(Output Voltage)
×
(Output Current)]
÷
[(Input Voltage)
×
(Input Current)]}
×
100
*2 : Soft-start Time Measuring CE : 0V
→
3.0V
3
PWM Controlled, PWM//PFM Switchable Step-Up DC/DC Converters
0.9
Frequency Input Stability
Frequency Temperature Fluctuation
VIN=2.0V~16V
V
IN
=2.0V
5
±10
XC9101/02 Series
Supply Current 1
Supply Current 2
Stand-by Current
PARAMETER
Output Voltage
Maximum Operating Voltage
Minimum Operating Voltage
CE "Low" Voltage
EXT "High" ON Resistance
EXT "Low" ON Resistance
CLK Oscillation Frequency
Maximum Duty Cycle
Current Limiter PFM
Current Limiter SENSE Voltage
Current Limiter Maximum Duty Cycle
Efficiency
Soft-start Time
CC/GAIN Pin Output Impedance
SYMBOL
V
OUT
V
IN
max
V
ST1
I
DD
1
I
DD
2
CE "High" Voltage
I
STB
F
OSC
F
OSC
V
IN
F
OSC
F
OSC
T
OPR
F
OSC
MAXDTY
IPFM
CLIM
V
CEH
V
CEL
REXTH
REXTL
EFFI
TSS
R
CCGAIN
CIRCUITS
UNITS
MAX.
TYP.
MIN.
CONDITIONS
I
OUT
=300mA
2.438
2.500
2.562
V
X
20
2.0
V
V
μ
A
μ
A
μ
A
Y
Y
Y
V
OUT
=
Set Output Voltage
×
0.95,
CE
=V
IN
130
V
OUT
=
Set Output Voltage
+ 0.5, CE=V
IN
20
kHz
% / V
Z
Z
V
IN
=20V, CE=V
SS
RT=3.0k
, CT=270pF
0.3
300
%
Z
83
400
Average SENSE Current (XC9102)
Operation switches to PWM when
exceeding this value.
IPFMDTY Max.duty of PFM
%
mA
\
\
V
OUT
=V
SS (Max.duty of PWM)
mV
]
\
%
\
Rsen : Resistance Voltage
1
150
\
[
[
X
Existance of CLK Oscillation
Dissapearance of CLK Oscillation
V
V
EXT=V
IN
- 0.5V, V
OUT
= V
SS
VIN=2.0V, *1
CE/SS 240k
, 0.0047pF connected *2
16
85
16
EXT=0.5V, V
OUT
=Set Voltage x 1.05
mS
k
`
^
%
500
5
83