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參數(shù)資料
| 型號： | XC6368A405MR |
| 廠商： | TOREX SEMICONDUCTOR LTD. |
| 英文描述： | PWM Controlled, PWM/PFM Switchable Step-Up DC/DC Controllers |
| 中文描述： | PWM控制，PWM / PFM切換升壓DC / DC控制器 |
| 文件頁數(shù)： | 8/27頁 |
| 文件大?。?/td> | 1665K |
| 代理商： | XC6368A405MR |
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XC6367/6368
Series
560
PARAMETER
Output Voltage
Supply Voltage (* 1)
Maximum Input Voltage
Oscillation Start Voltage 1
Oscillation Start Voltage 2
Oscillation Hold Voltage
Supply Current 1
Supply Current 2
Stand-by Current
Oscillation Frequency
Maximum Duty Ratio
PFM Duty Ratio (* 3)
CE "High" Voltage
CE "Low" Voltage
EXT "High" ON Resistance
EXT "Low" ON Resistance
Efficiency (* 2)
SYMBOL
V
OUT
V
DD
V
IN
V
ST1
V
ST2
V
HLD
I
DD1
I
DD2
I
STB
FOSC
MAXDTY
PFMDTY
V
CEH
V
CEL
R
EXTH
R
EXTL
EFFI
CONDITIONS
MIN.
2.925
2.0
10.0
-
-
-
-
-
-
255
78
15
0.65
-
-
-
-
TYP.
3.000
-
-
-
-
-
120
20
-
300
85
25
-
-
32
20
84
MAX.
3.075
10.0
-
0.9
0.8
0.7
190
34
0.5
345
92
35
-
0.20
47
30
-
UNITS
V
V
V
V
V
V
μ
A
μ
A
μ
A
kHz
%
%
V
V
Ω
Ω
%
Tr: 2SD1628, I
OUT
=1.0mA
V
DD
=CE: Apply voltage, FB=0V
Tr: 2SD1628, I
OUT
=1.0mA
V
DD
=CE=2.85V,FB=0V
V
DD
=CE=3.5V,FB=1.2V
V
DD
=2.85V, CE=0V, FB=0V
Same as I
DD1
Same as I
DD1
I
OUT
=0mA
V
DD
=2.85V,FB=0V
V
DD
=2.85V,FB=0V
Same as I
DD1
, V
EXT
=V
DD
-0.4V
Same as I
DD1
, V
EXT
=0.4V
Connect R
SS
and C
SS
,
CE:0V
→
3.0V (XC6367D/68D series)
Soft-Start Time
T
SS
5
10
20
msec
XC6367B103MR, XC6368B103MR
V
OUT
=3.0V , FOSC=300kHz, Ta=25
℃
Conditions: Unless otherwise stated, V
IN
=1.8V, I
OUT
=120mA
External components : R
FB1
= 400k
Ω
, R
FB2
= 200k
Ω
, C
FB
= 47pF
NOTE:
* 1: When taking V
DD
from another power source please ensure that V
DD
= 2.0V or more.
Oscillation will occur with a value of V
DD
= 0.8V or more, but with a value of V
DD
= 2.0V or more,
output voltage and oscillation frequency will be stable.
* 2: EFFI = {[(output voltage) x (output current)]
÷
[(input voltage) x (input current)] x 100
* 3: Applies to the XC6368 series only (duty ratio when control changes to PFM).
■
ELECTRICAL CHARACTERISTICS (Continued)
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