參數(shù)資料
型號(hào): XC9502B095AL
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
文件頁數(shù): 4/40頁
文件大?。?/td> 631K
代理商: XC9502B095AL
!
Electrical Characteristics
Common Characteristics
PARAMETER
XC9502B092
(FOSC=180kHz)
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
CONDITIONS
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)
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.
2)
3)
4)
IOUT2=250mA
P-ch MOSFET : XP162A12A6P
VOUT2
×
0.95V, EN2=0V
0.65V
%
MAXDTY2
MINDTY2
100
-
22
-
-
-
0
Same as IDD1
Same as IDD2
%
%
MAX.
0.900
-
0.918
2.0
Efficiency1 (note 4)
EFFI1
IOUT=130mA
N-ch MOSFET:XP161A1355P
VOUT1
×
0.95V, EN1=0V
0.65V
REXTBH1 FB1=0, EXT1=VDD-0.4V
EN1=FB2=0V, EXT1=0.4V
No Load
VPWML1
-
Oscillation Start-up Voltage1
Maximum Duty Ratio1
Minimum Duty Ratio1
VST2-1
MAXDTY1 Same as IDD1
MINDTY1
-
-
MIN.
0.882
IFBH
VFBL
FB1, 2=3.0V
FB1, 2=1.0V
FB1,2 "Low" Current
-
-
60
1.0
180
-
-
-
-
-
-
-
130
3.0
207
-
0.20
0.50
-0.50
0.50
-0.50
0.50
FB1=1.0V, FB2=0V
FB1, 2=1.0V
Same as IDD1, EN1=EN2=0V
Same as IDD1
FB1,2=0V
FB1,2=0V
EN1,2=3.0V
EN1,2=0V, FB1,2=3.0V
FB1, 2=3.0V, PWM=3.0V
Same as IDD2
No Load, VPWM1=0V
-
-
0.900
Max. Input Voltage
VIN
10.0
0.9
0.9
2.0
0.9
-
-
V
V
V
V
1
Supply Current 1-4
Supply Current 2
-
SYMBOL
CONDITIONS
μ
A
μ
A
kHz
Stand-by Current
Switching Frequency
EN1,2 "High" Voltage
EN1,2 "Low" Voltage
EN1,2 "High" Current
EN1,2 "Low" Current
ISTB
FOSC
VENH
VENL
IENH
IENL
MIN.
SYMBOL
3
3
Efficiency2 (note 4)
EFFI2
8
92
-
-
%
8
8
8
V
V
TYP.
FB1 Voltage
VFB1
Soft-Start Time1
EXT1 "High" ON Resistance
EXT1 "Low" ON Resistance
PWM1 "High" Voltage
PWM1 "Low" Voltage
VDD=3.0V, VIN=1.5V, IOUT1=10mA
0.65
-
FB1=0V
-
2.0
-
PWM1,2 "Low" Current
FB1,2 "High" Current
IDD1-4
IDD2
IPWML
FB1, 2=3.0V, PWM=0V
FB1, 2=0V
EN1=3.0V, EN2=0V, FB1=0V
EN2=3.0V, EN1=0V, FB2=0V
FB1=0V, FB2=1.0V
Soft-Start Time2
EXT2 "High" ON Resistance
SYMBOL
Supply Voltage (note 1)
VDD
PWM1,2 "High" Current
IPWMH
VPWMH2
VPWML2
No Load
No Load
EN2=0, EXT2=VDD-0.4V
REXTBL2 FB2=0V, EXT2=0.4V
EXT2 "Low" ON Resistance
PWM2 "High" Voltage
REXTBH2
Minimum Operation Voltage
Maximum Duty Ratio2
5.0
-
6
6
%
10.0
28
30
38
-
47
30
-
22
-
-
PWM2 "Low" Voltage
8
0.20
TSS2
VINmin
-
PFM Duty Ratio2
PFMDTY2 No Load, VPWM2=0V
Minimum Duty Ratio2
MAX.
TYP.
120
110
160
85
-
60
130
-
-
VIN
10.0
60
50
70
VIN
160
CONDITIONS
2ch. Step-up / down DC/DC Controller ICs
TEST
CIRCUIT
1
MAX.
-
-
-
TYP.
XC9502 Series
-
-
-
Output Voltage Range
(note 3)
VOUTSET
Supply Current 1-1
Supply Current 1-2
Supply Current 1-3
IDD1-1
IDD1-2
IDD1-3
Supply Current 1
IDD1
VIN
0.9V, IOUT1, 2=1mA
VDD=VOUT1
μ
A
μ
A
μ
A
153
0.65
-
-
-
-
V
V
μ
A
μ
A
μ
A
0.918
-0.50
-
V
V
%
V
Operation Start-up Voltage1
(note 2)
VST1-1
-
-
0.9
%
%
80
-
85
0
-
-
2.0
0.8
28
22
-
-
47
30
20.0
10.0
30
38
FB2 Voltage
VFB2
VIN=3.0V, IOUT2=10mA
0.882
REXTBL1
VPWMH1
-
-
-
22
PFM Duty Ratio1
75
PFMDTY1
TSS1
5.0
No Load
-
0.65
V
V
VDD
2.0V, IOUT1, 2=1mA
VDD
VOUT1
V
μ
A
μ
A
70
-
V
-
10.0
3
3
1
3
3
3
3
3
2
3
3
3
3
3
μ
A
μ
A
V
μ
A
5
5
5
mS
5
6
3
3
3
6
EFFI={ [ (Output voltage) x (Output current) ] / [ (Input voltage) x (Input Current) ] } x 100
0.20
20.0
mS
7
1
TEST
CIRCUIT
4
V
V
TEST
CIRCUIT
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.
3
3
3
3
5
2
1
4
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