參數(shù)資料
型號(hào)： XC9502B095AR
廠商： TOREX SEMICONDUCTOR LTD.
英文描述： 2ch. Step-up / down DC/DC Controller ICs
中文描述： 2通道。升壓/降壓DC / DC控制器芯片
文件頁(yè)數(shù)： 6/40頁(yè)
文件大?。?/td> 631K
代理商： XC9502B095AR
!
Electrical Characteristics
Common Characteristics
PARAMETER
XC9502B095
(FOSC=500kHz)
MIN.
Ta=25
O
C
UNITS
VOUT1
VOUT2
VOUT1
VOUT2
Unless otherwise stated, VDD=3.0V, PWM1,2=3.0V, EN1, 2 =3.0V
Output 1 Characteristics
PARAMETER
Step-up Controller
Ta=25
O
C
UNITS
Using Tr: 2SD1628,
IOUT1=1.0mA, RFB11=200k
, RFB12=75k
VDD
≠
VOUT1: IOUT1=1mA
Unless otherwise stated, VDD=EN1=PWM1=3.0V, EN2=PWM2=GND, EXT2=OPEN, FB2=OPEN, VIN=1.8V
Output 2 Characteristics
PARAMETER
Step-down Controller
Ta=25
O
C
UNITS
Unless otherwise stated, VDD=EN2=PWM2=3.0V, PWM1=EN1=GND, EXT1=OPEN, FB1=OPEN, VIN=5.0V
Notes
1)
2)
3)
4)
Although the IC's step-up operations start from a V
DD
of 0.8V, the output voltage and switching frequency are stabilized at V
DD
≥
2.0V. Therefore, a V
DD
of more than 2.0V is recommended when V
DD
is supplied from V
IN
or other power sources.
Although the IC's switching operations start from a V
IN
of 0.9V, the IC's power supply pin (V
DD
) and output voltage monitor pin
(FB1) should be connected to V
OUT1
. With operations from V
IN
=0.9V, the 2nd channel's (output 2) EN2 pin should be set to chip
disable. Once ouput voltage V
OUT1
is more than 2.0V, the EN2 pin should be set to chip enable.
Please be careful not to exceed the breakdown voltage level of the peripheral parts.
EFFI={ [ (Output voltage) x (Output current) ] / [ (Input voltage) x (Input Current) ] } x 100
-
0.20
V
8
PWM2 "Low" Voltage
VPWML2
No Load
-
-
-
V
8
PWM2 "High" Voltage
VPWMH2
No Load
0.65
22
30
6
EXT2 "Low" ON Resistance
REXTBL2 FB2=0V, EXT2=0.4V
-
28
47
6
EXT2 "High" ON Resistance
REXTBH2 EN2=0, EXT2=VDD-0.4V
-
10.0
20.0
mS
8
Soft-Start Time2
TSS2
VOUT2
×
0.95V, EN2=0V
→
0.65V
5.0
91
-
%
8
Efficiency2
EFFI2
IOUT2=250mA
P-ch MOSFET : XP162A12A6P
-
30
38
%
8
PFM Duty Ratio2
PFMDTY2 No Load, VPWM2=0V
22
-
0
%
3
Minimum Duty Ratio2
MINDTY2
Same as IDD2
-
-
-
%
3
Maximum Duty Ratio2
MAXDTY2 Same as IDD1
100
-
2.0
V
1
Minimum Operation Voltage
VINmin
-
0.900
0.918
V
7
FB2 Voltage
VFB2
VIN=3.0V, IOUT2=10mA
0.882
TYP.
MAX.
TEST
CIRCUIT
SYMBOL
CONDITIONS
MIN.
-
0.20
V
5
PWM1 "Low" Voltage
VPWML1
No Load
-
-
-
V
5
PWM1 "High" Voltage
VPWMH1
No Load
0.65
22
30
6
EXT1 "Low" ON Resistance
REXTBL1 EN1=FB2=0V, EXT1=0.4V
-
28
47
6
EXT1 "High" ON Resistance
REXTBH1 FB1=0, EXT1=VDD-0.4V
-
10.0
20.0
mS
5
Soft-Start Time1
TSS1
VOUT1
×
0.95V, EN1=0V
→
0.65V
5.0
83
-
%
5
Efficiency1 (note 4)
EFFI1
IOUT=130mA
N-ch MOSFET:XP161A1355P
-
30
38
%
5
PFM Duty Ratio1
PFMDTY1 No Load, VPWM1=0V
22
-
0
%
3
Minimum Duty Ratio1
MINDTY1
Same as IDD2
-
3
3
Maximum Duty Ratio1
MAXDTY1 Same as IDD1
75
80
85
%
2.0
0.8
V
V
1
Oscillation Start-up Voltage1
VST2-1
FB1=0V
-
-
0.9
V
2
Operation Start-up Voltage1
(note 2)
VST1-1
-
-
-
-
0.900
0.918
V
4
FB1 Voltage
VFB1
VDD=3.0V, VIN=1.5V, IOUT1=10mA
0.882
TYP.
MAX.
TEST
CIRCUIT
SYMBOL
CONDITIONS
MIN.
-
-0.50
μ
A
3
FB1,2 "Low" Current
VFBL
FB1, 2=1.0V
-
-
0.50
μ
A
3
FB1,2 "High" Current
IFBH
FB1, 2=3.0V
-
-
-0.50
μ
A
3
PWM1,2 "Low" Current
IPWML
FB1, 2=3.0V, PWM=0V
-
-
0.50
μ
A
3
PWM1,2 "High" Current
IPWMH
FB1, 2=3.0V, PWM=3.0V
-
-
-0.50
μ
A
3
EN1,2 "Low" Current
IENL
EN1,2=0V, FB1,2=3.0V
-
-
0.50
μ
A
3
EN1,2 "High" Current
IENH
EN1,2=3.0V
-
-
0.20
V
3
EN1,2 "Low" Voltage
VENL
FB1,2=0V
-
-
-
V
3
EN1,2 "High" Voltage
VENH
FB1,2=0V
0.65
500
575
kHz
3
Switching Frequency
FOSC
Same as IDD1
425
1.0
3.0
μ
A
3
Stand-by Current
ISTB
Same as IDD1, EN1=EN2=0V
-
90
190
μ
A
3
Supply Current 2
IDD2
FB1, 2=1.0V
-
90
190
μ
A
3
Supply Current 1-4
IDD1-4
FB1=1.0V, FB2=0V
-
130
240
μ
A
3
Supply Current 1-3
IDD1-3
FB1=0V, FB2=1.0V
-
80
150
μ
A
3
Supply Current 1-2
IDD1-2
EN2=3.0V, EN1=0V, FB2=0V
-
110
220
μ
A
3
Supply Current 1-1
IDD1-1
EN1=3.0V, EN2=0V, FB1=0V
-
130
250
μ
A
3
Supply Current 1
IDD1
FB1, 2=0V
-
-
-
10.0
VIN
V
V
2
-
-
-
V
V
1
VIN
Output Voltage Range
(note 3)
VOUTSET
VDD
≥
2.0V, IOUT1, 2=1mA
VDD
≠
VOUT1
VIN
≥
0.9V, IOUT1, 2=1mA
VDD=VOUT1
0.9
0.9
2.0
0.9
-
-
V
1
Max. Input Voltage
VIN
10.0
-
10.0
V
1
Supply Voltage (note 1)
VDD
2.0
XC9502 Series
2ch. Step-up / down DC/DC Controller ICs
SYMBOL
CONDITIONS
TYP.
MAX.
TEST
CIRCUIT
6
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