參數(shù)資料
型號(hào)： XC9505B095A
廠商： TOREX SEMICONDUCTOR LTD.
英文描述： 2ch. Step-Down / Inverting DC/DC Controller ICs
中文描述： 2通道。降壓/反向DC / DC控制器芯片
文件頁數(shù)： 5/47頁
文件大小： 705K
代理商： XC9505B095A
Electrical Characteristics
XC9505B093A
PARAMETER
Common Characteristics
SYMBOL
V
DD
≥
2.0V, I
OUT1, 2
=1mA
Unless otherwise stated, V
DD
=3.0V, PWM1, 2=3.0V, EN1, 2 = 3.0V
Output 1 Characteristics
PARAMETER
Step-Down Controller
CONDITIONS
Unless otherwise stated, V
DD
=EN1=PWM1=3.0V, EN2=PWM2=GND, EXT2=OPEN, FB2=OPEN, V
IN
=1.8V
Output 2 Characteristics
PARAMETER
Inverting DC/DC Controller
CONDITIONS
I
OUT
2=1.0mA, RFB11=200k
, RFB12=75k
RFB21=17.5k
, RFB22=10k
, EN1=PWM1=3.0V
FB2=1.2V
Unless otherwise stated, V
DD
=EN2=PWM2=3.0V, PWM1=EN1=GND, EXT1=OPEN, FB1=OPEN, V
IN
=3.0V
3)
4)
6
5
5
Efficiency2 (Note 2)
EXT2 "High" ON Resistance
EFFI2
R
EXTBH2
EN2=FB2= 0V, EXT2=V
DD
-0.4V
I
OUT2
= -150mA, Pch MOSFET: XP162A12A6P
-
-
2
2
PFM Duty Ratio2
PFMDTY2 No Load, V
PWM2
=0V
22
30
75
38
-
%
%
6
-
-
2.0
87
V
%
Ta=25
O
C
Operation Start-up
Voltage2
VST1-2
-
-
2.0
V
1
2
Minimum Duty Ratio1
PFM Duty Ratio1
Efficiency1 (note 2)
MAXDTY2 Same as I
DD
2
PFMDTY1
No Load, VPWM1=0V
EFFI1
-
MAX.
0.918
2.0
UNITS
V
V
TEST CIRCUIT
3
1
VFB1
VINmin1
V
DD
=3.0V, V
IN
=1.5V, I
OUT1
=10mA
0.882
-
0.900
-
180
150
μ
A
μ
A
-
1.0
300
3.0
345
μ
A
kHz
Supply Current 1-1
Supply Current 1-2
I
DD1-1
I
DD1-2
EN1=3.0V, EN2=0, FB1=0V
EN2=3.0V, EN1=0, FB2=1.2V
μ
A
μ
A
60
80
120
150
-
-
Supply Current 1
I
DD1
FB=0V, FB2=1.2V
μ
A
100
190
-
Output Voltage Range
(note 1)
V
OUTSET
V
OUT1
V
OUT2
0.9
-
XC9505 Series
2ch. Step-Down / Inverting DC/DC Controller ICs
EFFI1, 2={ [ (Output voltage) x (Output current) ] / [ (Input voltage) x (Input Current) ] } x 100
Please be careful not to exceed the breakdown voltage level of the peripheral parts.
-
0.20
V
6
PWM2 "Low" Voltage
V
PWML2
No Load
-
-
-
V
6
PWM2 "High" Voltage
V
PWMH2
No Load
0.65
EXT2 "Low" ON Resistance
R
EXTBL2
FB2=3.0V, EXT2=0.4V
-
22
30
28
47
-
0
%
2
Minimum Duty Ratio2
MINDTY3 Same as I
DD
2
-
Maximum Duty Ratio2
MAXDTY2 Same as I
DD
1
75
80
Oscillation Start-up Voltage2
0.900
0.918
V
FB2 Voltage
VFB2
V
DD
=3.0V
0.882
VST2-2
TYP.
MAX.
UNITS
TEST CIRCUIT
SYMBOL
MIN.
-
0.20
V
4
PWM1 "Low" Voltage
V
PWML1
No Load
-
-
-
V
4
PWM1 "High" Voltage
V
PWMH1
No Load
0.65
22
30
5
EXT1 "Low" ON Resistance
R
EXTBL1
EN1=FB1=1.2V, EXT1=0.4V
-
4
5
EXT1 "High" ON Resistance
R
EXTBH1
FB1=0V, EXT1=V
DD
-0.4V
-
28
47
-
%
4
Soft-Start Time1
T
SS1
VOUT1
×
0.95V, EN1=0V
→
0.65V
5.0
10.0
20.0
msec
2
4
22
-
30
92
38
%
-
-
%
I
OUT1
= 250mA, Pch MOSFET: XP162A12A6P
-
100
%
2
Maximum Duty Ratio1
MINDTY1 Same as I
DD
1
-
Minimum Operating Voltage
FB1 Voltage
-
-0.50
μ
A
Ta=25
O
C
SYMBOL
MIN.
TYP.
2
FB1, 2 "Low" Current
V
FBL
FB1=1.0V, FB2=0V
-
-
0.50
μ
A
2
FB1, 2 "High" Current
I
FBH
FB1=3.0V, FB2=0.8V
-
-
-0.50
μ
A
2
PWM1, 2 "Low" Current
I
PWML
FB1=3.0V, FB2=0V, PWM1, 2=0V
-
-
0.50
μ
A
2
PWM1, 2 "High" Current
I
PWMH
FB1=3.0V, FB2=0V, PWM1, 2=3.0V
-
-
-0.50
μ
A
2
EN1, 2 "Low" Current
I
ENL
EN1, 2=0V, FB1=3.0V, FB2=0V
-
-
0.50
μ
A
2
EN1, 2 "High" Current
I
ENH
FB1=3.0V, FB2=0V
-
-
0.20
V
2
EN1, 2 "Low" Voltage
V
ENL
FB1=0V, FB2=3.0V
-
-
-
V
2
EN1, 2 "High" Voltage
V
ENH
FB1=0V, FB2=3.0V
0.65
2
Oscillation Frequency
FOSC
Same as I
DD1
255
Supply Current 2
Stand-by Current
I
DD2
I
STB
-
Same as I
DD1
, EN1=EN2=0V
μ
A
2
2
2
FB1=1.2V, FB2=0V
80
2
-
100
FB1=0V, FB2=0V
FB1=1.2V, FB2=1.2V
Supply Current 1-3
Supply Current 1-4
I
DD1-3
I
DD1-4
-
80
140
2
2
2
-
-
VIN
0.0
V
1
-
10.0
V
Supply Voltage
V
DD
2.0
Ta=25
O
C
CONDITIONS
MIN.
TYP.
MAX.
UNITS
TEST CIRCUIT
5
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