
6/53
XC9504
Series
PARAMETER 
Supply Voltage (*1) 
SYMBOL 
V
DD
CONDITIONS 
MIN.
2.0 
0.9 
- 
2.0 
- 
- 
TYP. 
- 
- 
- 
- 
- 
165 
MAX. UNITS
10.0 
- 
0.0 
10.0 
0.0 
350 
CIRCUIT 
- 
V 
V
DD
V
DD
V
IN
V
DD
=V
OUT
FB=0V, FB2=1.2V 
EN1=3.0V, EN2=0, FB1=0V 
EN2=3.0V, EN1=0V, FB2=1.2V 
FB1=0V, FB2=0V 
FB1=1.2V, FB2=1.2V 
FB1=1.2V, FB2=0V 
Same as I
DD1
, EN1=EN2=0V 
Same as I
DD1
FB1=0V, FB2=3.0V 
FB1=0V, FB2=3.0V 
FB1=3.0V, FB2=0V 
EN1, 2=0V, FB1=3.0V, FB2=0V 
FB1=3.0V, FB2=0V, PWM1, 2=3.0V 
FB1=3.0V, FB2=0V, PWM1, 2=0V 
FB1=3.0V, FB2=0.8V 
FB1=1.0V, FB2=0V 
2.0V, I
OUT
=1mA 
V
OUT
0.9V, I
OUT
=1mA (note 2) 
V
OUT1
V
OUT2
V
OUT1
V
OUT2
V 
Output Voltage Range (*3) 
V
OUTSET
V 
Supply Current 1 
I
DD1
A 
Supply Current 1-1 
I
DD1-1
- 
110 
220 
A 
Supply Current 1-2 
I
DD1-2
- 
130 
270 
A 
Supply Current 2 
Stand-by Current 
Oscillation Frequency 
EN1, 2 "High" Voltage 
EN1, 2 "Low" Voltage 
EN1, 2 "High" Current 
EN1, 2 "Low" Current 
PWM1, 2 "High" Current 
PWM1, 2 "Low" Current 
FB1, 2 "High" Current 
FB1, 2 "Low" Current 
Unless otherwise stated, V
DD
=3.0V, PWM1, 2=3.0V, EN1, 2 = 3.0V 
I
DD2
I
STB
FOSC 
V
ENH
V
ENL
I
ENH
I
ENL
I
PWMH
I
PWML
I
FBH
V
FBL
- 
- 
100 
1.0 
500 
- 
- 
- 
- 
- 
- 
- 
- 
200 
3.0 
575 
- 
0.20 
0.50 
-0.50 
0.50 
-0.50 
0.50 
-0.50 
A 
A 
425
0.65
- 
- 
- 
- 
- 
- 
- 
kHz 
V 
V 
A 
A 
A 
A 
A 
A 
XC9504B095A
Common Characteristics 
Ta=25
PARAMETER 
FB 1 Voltage 
SYMBOL 
V
FB1
CONDITIONS 
MIN.
0.882
TYP. 
0.900 
MAX. UNITS 
0.918 
CIRCUIT 
V
DD
=3.0V, V
IN
=1.5V, I
OUT1
=10mA 
Using Tr: 2SD1628, 
I
OUT
=1.0mA, R
FB11
=200k
V
DD
V
OUT1
 : I
OUT1
=10mA 
FB1=0V 
Same as I
DD1
Same as I
DD2
No Load, V
PWM1
=0V 
I
OUT1
= 130mA, N-ch MOSFET: XP161A1355P
V
OUT1
0.95V, EN1=0V
FB1=0V, EXT1=V
DD
 -0.4V 
EN1=FB1=1.2V, EXT1=0.4V 
No Load 
No Load 
V 
, R
FB12
=75k
- 
- 
0.9 
V 
Operating Start Voltage 1
(*2)
V
ST1-1
- 
- 
- 
- 
2.0 
0.8 
87 
0 
38 
- 
20.0 
47 
30 
- 
0.20 
V 
V 
% 
% 
% 
% 
ms 
Oscillation Start Voltage 1
Maximum Duty Ratio 1 
Minimum Duty Ratio 1 
PFM Duty Ratio 1 
Efficiency 1 
Soft-Start Time 1 
EXT1 "High" ON Resistance 
EXT1 "Low" ON Resistance 
PWM1 "High" Voltage 
PWM1 "Low" Voltage 
Unless otherwise stated, V
DD
=EN1=PWM1=3.0V, EN2=PWM2=GND, EXT2=OPEN, FB2=OPEN, V
IN
=1.8V 
V
ST2-1
MINDTY1 
MAXDTY2 
PFMDTY1 
EFFI1 
T
SS1
R
EXTBH1
R
EXTBL1
V
PWMH1
V
PWML1
75 
- 
22 
- 
5.0 
- 
- 
0.65
- 
80 
- 
30 
83 
10.0 
28 
22 
- 
- 
0.65V 
V 
V 
Output 1 Characteristics
Step-Up Controller 
Ta=25
PARAMETER 
FB 2 Voltage 
SYMBOL 
V
FB2
CONDITIONS 
MIN.
0.882
TYP. 
0.900 
MAX. UNITS 
TEST CIRCUIT
0.918 
V 
V
DD
=3.0V 
I
OUT2
=1.0mA, R
FB11
=200k
R
FB21
=17.5k
EN1=PWM1=3.0V 
FB2=1.2V 
Same as I
DD1
Same as I
DD2
No Load, V
PWM2
=0V 
I
OUT2
= -150mA, P-ch MOSFET: XP162A12A6P
EN2=FB2= 0V, EXT2=V
DD
-0.4V 
FB2=3.0V, EXT2=0.4V 
No Load 
No Load 
, R
FB12
=75k
, 
Operating Start Voltage 2
V
ST1-2
, R
FB22
=10k
- 
- 
2.0 
V 
Oscillation Start Voltage 2
Maximum Duty Ratio 2 
Minimum Duty Ratio 2 
PFM Duty Ratio 2 
Efficiency 2 
(*4)
EXT2 "High" ON Resistance 
EXT2 "Low" ON Resistance 
PWM2 "High" Voltage 
PWM2 "Low" Voltage 
Unless otherwise stated, V
DD
=EN2=PWM2=3.0V, PWM1=EN1=GND, EXT1=OPEN, FB1=OPEN, V
IN
=3.0V 
V
ST2-2
MAXDTY2 
MINDTY2 
PFMDTY2 
EFFI2 
R
EXTBH2
R
EXTBL2
V
PWMH2
V
PWML2
- 
- 
2.0 
87 
0 
38 
- 
47 
30 
- 
0.20 
V 
% 
% 
% 
% 
75 
- 
22 
- 
- 
- 
0.65
- 
80 
- 
30 
71 
28 
22 
- 
- 
V 
V 
Output 2 Characteristics
 Inverting DC/DC Controller 
Ta=25
ELECTRICAL CHARACTERISTICS (Continued)
(FOSC = 500kHz)
(FOSC = 500kHz)
(FOSC = 500kHz)