XC9504 Datasheet, PDF (4/50 Pages) Torex Semiconductor – 2ch. Step-up / Inverting DC/DC Controller ICs

XC9504 Series
2ch. Step-up / Inverting DC/DC Controller ICs
Electrical Characteristics
XC9504B092A
Common Characteristics
PARAMETER
Supply Voltage (note 1)
Output Voltage Range
(note 3)
Supply Current 1
Supply Current 1-1
Supply Current 1-2
Supply Current 2
Stand-by Current
SYMBOL
VDD
CONDITIONS
VDD ≥ 2.0V, IOUT=1mA
VDD ≠ VOUT
VIN ≥ 0.9V, IOUT=1mA (note 2)
VOUTSET _VDD=VOUT
IDD1 FB=0V, FB2=1.2V
IDD1-1
IDD1-2
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
IDD2 FB1=1.2V, FB2=0V
ISTB Same as IDD1, EN1=EN2=0V
Oscillation Frequency
FOSC Same as IDD1
EN1, 2 "High" Voltage
VENH FB1=0V, FB2=3.0V
EN1, 2 "Low" Voltage
VENL FB1=0V, FB2=3.0V
EN1, 2 "High" Current
IENH FB1=3.0V, FB2=0V
EN1, 2 "Low" Current
IENL EN1, 2=0V, FB1=3.0V, FB2=0V
PWM1, 2 "High" Current IPWMH FB1=3.0V, FB2=0V, PWM1, 2=3.0V
PWM1, 2 "Low" Current IPWML FB1=3.0V, FB2=0V, PWM1, 2=0V
FB1, 2 "High" Current
IFBH FB1=3.0V, FB2=0.8V
FB1, 2 "Low" Current
VFBL FB1=1.0V, FB2=0V
Unless otherwise stated, VDD=3.0V, PWM1, 2=3.0V, EN1, 2 = 3.0V
VOUT1
VOUT2
VOUT1
VOUT2
MIN.
2.0
0.9
-
2.0
-
-
-
TYP.
-
-
-
-
-
90
60
MAX.
10.0
-
0.0
10.0
0.0
190
120
-
80 150
-
70 132
-
1 3.0
153 180 207
0.65 -
-
-
- 0.20
-
- 0.50
-
- -0.50
-
- 0.50
-
- -0.50
-
- 0.50
-
- -0.50
Output 1 Characteristics
Step-up Controller
PARAMETER
SYMBOL
CONDITIONS
MIN. TYP. MAX.
FB1 Voltage
Operation Start-up
Voltage1
(note 2)
VFB1
VST1-1
VDD=3.0V, VIN=1.5V, IOUT1=10mA
Using Tr: 2SD1628,
IOUT=1.0mA, RFB11=200kΩ, RFB12=75kΩ
VDD ≠ VOUT1 : IOUT1=10mA
0.882 0.900 0.918
-
-
0.9
-
- 2.0
Oscillation Start-up Voltage1 VST2-1 FB1=0V
-
-
0.8
Maximum Duty Ratio1 MINDTY1 Same as IDD1
75 80 87
Minimum Duty Ratio1 MAXDTY2 Same as IDD2
-
-
0
PFM Duty Ratio1
PFMDTY1 No Load, VPWM1=0V
22 30 38
Efficiency1
Soft-Start Time1
EFFI1 IOUT1= 130mA, Nch MOSFET: XP161A1355P -
85
-
TSS1 VOUT1 × 0.95V, EN1=0V→0.65V
5.0 10.0 20.0
EXT1 "High" ON Resistance REXTBH1 FB1=0V, EXT1=VDD -0.4V
-
28 47
EXT1 "Low" ON Resistance REXTBL1 EN1=FB1=1.2V, EXT1=0.4V
-
22 30
PWM1 "High" Voltage VPWMH1 No Load
0.65 -
-
PWM1 "Low" Voltage VPWML1 No Load
-
- 0.20
Unless otherwise stated, VDD=EN1=PWM1=3.0V, EN2=PWM2=GND, EXT2=OPEN, FB2=OPEN, VIN=1.8V
UNITS
V
V
V
µA
µA
µA
µA
µA
kHz
V
V
µA
µA
µA
µA
µA
µA
UNITS
V
V
V
V
%
%
%
%
msec
Ω
Ω
V
V
Ta=25^OC
TEST CIRCUIT
1
2
3
3
3
3
3
3
3
3
3
3
3
3
3
3
Ta=25^OC
TEST CIRCUIT
4
2
1
3
3
3
5
5
5
6
6
5
5
Output 2 Characteristics
Inverting DC/DC Controller
PARAMETER
SYMBOL
CONDITIONS
MIN. TYP. MAX.
FB2 Voltage
VFB2 VDD=3.0V
0.882 0.900 0.918
Operation Start-up
Voltage2
VST1-2 ^{IOUT2=1.0mA, RFB11=200kΩ, RFB12=75kΩ}
-
RFB21=17.5kΩ, RFB22=10kΩ, EN1=PWM1=3.0V
-
2.0
Oscillation Start-up Voltage2 VST2-2 FB2=1.2V
-
-
2.0
Maximum Duty Ratio2 MAXDTY2 Same as IDD1
75 80 87
Minimum Duty Ratio2 MINDTY3 Same as IDD2
-
-
0
PFM Duty Ratio2
PFMDTY2 No Load, VPWM2=0V
22 30 38
Efficiency2 (Note 4)
EFFI2 IOUT2= -150mA, Pch MOSFET: XP162A12A6P -
76
-
EXT2 "High" ON Resistance REXTBH2 EN2=FB2= 0V, EXT2=VDD-0.4V
-
28 47
EXT2 "Low" ON Resistance REXTBL2 FB2=3.0V, EXT2=0.4V
-
22 30
PWM2 "High" Voltage VPWMH2 No Load
0.65 -
-
PWM2 "Low" Voltage VPWML2 No Load
-
- 0.20
Unless otherwise stated, VDD=EN2=PWM2=3.0V, PWM1=EN1=GND, EXT1=OPEN, FB1=OPEN, VIN=3.0V
UNITS
V
V
V
%
%
%
%
Ω
Ω
V
V
Ta=25^OC
TEST CIRCUIT
3
12
3
3
3
7
7
6
6
7
7
4