參數(shù)資料
型號(hào)： XC9503
廠商： TOREX SEMICONDUCTOR LTD.
英文描述： 2ch.Step-Down DC/DC Controller ICs
中文描述： 2ch.Step型DC / DC控制器芯片
文件頁數(shù)： 6/32頁
文件大小： 1803K
代理商： XC9503
6/32
XC9503
Series
PARAMETER
Supply Voltage
Maximum Input Voltage
SYMBOL
V
DD
V
IN
CONDITIONS
MIN.
2.0
10.0
0.9
0.9
-
TYP.
-
-
-
-
90
MAX.
10.0
-
10.0
10.0
170
UNITS
V
V
V
V
μ
A
CIRCUIT
①
①
V
OUT1
V
OUT2
Output Voltage Range (* 1)
V
OUTSET
V
IN
≧
2.0V, I
OUT1, 2
=1mA
①
Supply Current 1
I
DD1
FB1, 2=0V
EN1=3.0V, EN2=0V, FB1=0V
EN2=3.0V, EN1=0V, FB2=0V
FB1=0V, FB2=1.0V
FB1=1.0V, FB2=0V
FB1, 2=1.0V
Same as I
DD1
, EN1=EN2=0V
Same as I
DD1
FB1, 2=0V
FB1, 2=0V
EN1, 2=3.0V
EN1, 2=0V, FB1, 2=3.0V
FB1, 2=3.0V, PWM=3.0V
FB1, 2=3.0V, PWM=0V
FB1, 2=3.0V
FB1, 2=1.0V
②
Supply Current 1-1
I
DD1-1
-
80
150
μ
A
②
Supply Current 1-2
I
DD1-2
-
100
180
μ
A
②
Supply Current 2
Stand-by Current
Switching 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
-
-
-
-
-
-
-
-
190
3.0
575
-
0.20
0.50
-0.50
0.50
-0.50
0.50
-0.50
μ
A
μ
A
kHz
V
V
μ
A
μ
A
μ
A
μ
A
μ
A
μ
A
②
②
②
②
②
②
②
②
②
②
②
425
0.65
-
-
-
-
-
-
-
PARAMETER
FB 1 Voltage
Minimum Operation Voltage
Maximum Duty Ratio 1
Minimum Duty Ratio 1
PFM Duty Ratio 1
SYMBOL
V
FB1
V
INmin1
MAXDTY1
MINDTY1
PFMDTY1
CONDITIONS
MIN.
0.882
-
100
-
22
TYP.
0.900
-
-
-
30
MAX.
0.918
2.0
-
0
38
UNITS
V
V
%
%
%
CIRCUIT
③
①
②
②
④
V
IN
=3.0V, I
OUT1
=10mA
Same as I
DD1
Same as I
DD2
No Load, V
PWM1
=0V
I
OUT1
=250mA
P-ch MOSFET: XP162A12A6P
V
OUT1
×
0.95V, EN1=0V
→
0.65V
EN1=0, EXT1=V
DD
-0.4V
FB2=0V, EXT1=0.4V
No Load
No Load
Efficiency1 (* 4)
EFFI1
-
91
-
%
④
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, PWM2=EN2=GND, EXT2=OPEN, FB2=OPEN, V
IN
=5.0V
T
SS1
R
EXTBH1
R
EXTBL1
V
PWMH1
V
PWML1
5.0
-
-
0.65
-
10.0
28
22
-
-
20.0
47
30
-
0.20
ms
Ω
Ω
V
V
④
⑤
⑤
④
④
PARAMETER
FB 2 Voltage
Minimum Operation Voltage
Maximum Duty Ratio 2
Minimum Duty Ratio 2
PFM Duty Ratio 2
SYMBOL
V
FB2
V
INmin2
MAXDTY2
MINDTY2
PFMDTY2
CONDITIONS
MIN.
0.882
-
100
-
22
TYP.
0.900
-
-
-
30
MAX.
0.918
2.0
-
0
38
UNITS
V
V
%
%
%
CIRCUIT
⑥
①
②
②
⑦
V
IN
=3.0V, I
OUT2
=10mA
Same as I
DD1
Same as I
DD2
No Load, V
PWM2
=0V
I
OUT2
=250mA
P-ch MOSFET: XP162A12A6P
V
OUT2
×
0.95V, EN2=0V
→
0.65V
EN2=0, EXT2=V
DD
-0.4V
FB2=0V, EXT2=0.4V
No Load
No Load
Efficiency 1 (* 2)
EFFI2
-
91
-
%
⑦
Soft-Start Time 1
EXT1 "High" ON Resistance
EXT1 "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
=5.0V
NOTE:
*1 : Please be careful not to exceed the breakdown voltage level of the peripheral parts.
T
SS2
R
EXTBH2
R
EXTBL2
V
PWMH2
V
PWML2
5.0
-
-
0.65
-
10.0
28
22
-
-
20.0
47
30
-
0.20
ms
Ω
Ω
V
V
⑦
⑤
⑤
⑦
⑦
■
ELECTRICAL CHARACTERISTICS (Continued)
Common Characteristics
XC9503B095A
Output 1 Characteristics
Output 2 Characteristics
*2 : EFFI={ [ (output voltage)
×
(output current) ] / [ input voltage]
×
(input current) ] }
×
100
Ta=25
℃
Step-Down Controller
Step-Down Controller
相關(guān)PDF資料
PDF描述
XC9503_1 2ch.Step-Down DC/DC Controller ICs
XC9504B092CAL 2 ch. Step-Up / Inverting DC/DC Controller ICs
XC9504B092CAR 2 ch. Step-Up / Inverting DC/DC Controller ICs
XC9504B092CDL 2 ch. Step-Up / Inverting DC/DC Controller ICs
XC9504B092CDR 2 ch. Step-Up / Inverting DC/DC Controller ICs
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
XC9503_1 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2ch.Step-Down DC/DC Controller ICs
XC9503B092 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2ch Step-down DC/DC Controller ICs
XC9503B092A 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2ch Step-down DC/DC Controller ICs
XC9503B092AL 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2ch Step-down DC/DC Controller ICs
XC9503B092AR 制造商:TOREX 制造商全稱:Torex Semiconductor 功能描述:2ch Step-down DC/DC Controller ICs
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