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參數(shù)資料
| 型號： | XC9303E093KL |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | High Efficiency, Synchronous Step-Up & Down DC / DC Controller ICs |
| 中文描述： | 高，同步降壓效率最高 |
| 文件頁數(shù)： | 4/20頁 |
| 文件大?。?/td> | 921K |
| 代理商： | XC9303E093KL |
4/20
XC9303
Series
PARAMETER
SYMBOL
CONDITIONS
MIN.
TYP.
MAX.
UNITS
CIRCUIT
Supply Voltage
V
DD
2.0
-
10.0
V
①
Maximum Input Voltage
V
IN
10.0
-
-
V
①
Output Voltage Range (*1)
V
OUTSET
V
IN
≧
2.0V, I
OUT
=1mA
V
OUT
2.0
-
6.0
V
①
Supply Current 1
I
DD1
FB = 0V
-
90
170
μ
A
②
Supply Current 2
I
DD2
FB = 1.0V
-
55
110
μ
A
②
Stand-by Current
I
STB
Same as I
DD1
, CE = 0V
-
-
3.0
μ
A
②
Oscillation Frequency
FOSC
Same as I
DD1
255
300
345
kHz
②
FB Voltage
V
FB
V
IN
=3.0V, I
OUT
=10mA
0.882
0.900
0.918
V
③
Minimum Operation Voltage
V
INmin
-
-
2.0
V
①
Maximum Duty Ratio
MAXDTY
Same as I
DD1
72
78
88
%
②
Minimum Duty Ratio
MINDTY
Same as I
DD2
-
-
0
%
②
PFM Duty Ratio
PFMDTY
No Load, V
PWM
=0V
22
30
38
%
④
Efficiency (*2)
EFFI
I
OUT1
=100mA (*3)
-
84
-
%
④
Soft-Start Time
TSS
V
OUT
×
0.95V, CE=0V
→
0.65V
5.0
10.0
20.0
ms
④
EXT1 "High" ON Resistance
R
EXTBH1
CE = 0, EXT1= V
DD
- 0.4V
-
26
37
Ω
⑤
EXT1 "Low" ON Resistance
R
EXTBL1
FB = 0V, EXT1 = 0.4V
-
19
30
Ω
⑤
EXT2 "High" ON Resistance
R
EXTBH2
EXT2 = V
DD
- 0.4V
-
23
31
Ω
⑤
EXT2 "Low" ON Resistance
R
EXTBL2
CE = 0V, EXT2 = V
DD
- 0.4V
-
19
30
Ω
⑤
PWM "High" Voltage
V
PWMH
No Load
0.65
-
-
V
④
PWM "Low" Voltage
V
PWML
No Load
-
-
0.20
V
④
CE "High" Voltage
V
CEH
FB = 0V
0.65
-
-
V
②
CE "Low" Voltage
V
CEL
FB = 0V
-
-
0.2
V
②
CE "High" Current
I
CEH
-
-
0.5
μ
A
②
CE "Low" Current
I
CEL
CE = 0V
-
-
- 0.5
μ
A
②
PWM "High" Current
I
PWMH
-
-
0.5
μ
A
②
PWM "Low" Current
I
PWML
PWM=0V
-
-
- 0.5
μ
A
②
FB "High" Current
I
FBH
-
-
0.50
μ
A
②
FB "Low" Current
I
FBL
FB = 1.0V
-
-
- 0.50
μ
A
②
■
ELECTRICAL CHARACTERISTICS
(FOSC = 300kHz)
Ta=25
℃
XC9303B093
NOTE *1: Please be careful not to exceed the breakdown voltage level of the external components.
*2: EFFI={ [ (output voltage) x (output current) ] / [ (input voltage) x (input current) ] } x 100
*3: Tr1:
CPH6315
(SANYO)
Tr2:
CPH3409
(SANYO)
Tr3:
CPH3409
(SANYO)
SD:
CMS02
(TOSHIBA)
L:
22
μ
H
(CDRH127/LD, SUMIDA)
C
L
:
16V, 47
μ
F x 2
(Tantalum MCE Series, NICHICEMI)
C
IN
:
16V, 47
μ
F
(Tantalum MCE Series, NICHICEMI)
R
FB1
:
200k
Ω
R
FB2
:
75k
Ω
C
FB
:
62pF
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