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參數(shù)資料
| 型號： | XC6367E423MR |
| 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)： | 9/28頁 |
| 文件大小： | 441K |
| 代理商： | XC6367E423MR |
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415
4
XC6367B103MR, XC6368B103MR
PARAMETER
Output Voltage
Supply Voltage (Note 1)
Maximum Input Voltage
Ta=25
°
C
UNITS
MAX
V
OUT
=3.0V (when set-up), F
OSC
=300kHz
CONDITIONS
V
OUT
V
DD
V
IN
V
V
V
3.075
10.0
-
3.000
-
-
2.925
2.0
10.0
CE "Low" Voltage
EXT "High" ON Resistance
EXT "Low" ON Resistance
Efficiency (Note 2)
Soft-Start Time
V
CEL
R
EXTH
R
EXTL
EFFI
T
SS
V
%
0.20
47
30
-
20
-
32
20
84
10
-
-
-
-
5
V
DD
=2.85V, FB=0V
V
DD
=2.85V, FB=0V
Same as I
DD
1, V
EXT
=V
OUT
-0.4V
Same as I
DD
1, V
EXT
=0.4V
PFM Duty Ratio (Note 3)
CE "High" Voltage
PFMDTY
V
CEH
%
V
35
-
25
-
15
0.65
Same as I
DD
1
I
OUT
=0mA
Oscillation Start-up Voltage 1
Oscillation Start-up Voltage 2
Oscillation Hold Voltage
V
ST
1
V
ST
2
V
HLD
V
V
V
0.9
0.8
0.7
-
-
-
-
-
-
Use of a 2SD1628 transistor, I
OUT
=1.0mA
V
DD
=CE : Apply voltage, FB=0V
Use of a 2SD1628 transistor, I
OUT
=1.0mA
V
DD
=CE=2.85V, FB=0V
V
DD
=CE=3.5V, FB=1.2V
msec
Supply Current 1
Supply Current 2
I
DD
1
I
DD
2
-
-
120
20
μ
A
μ
A
190
34
%
92
78
85
Oscillator Frequency
Maximum Duty Ratio
F
OSC
MAXDTY
kHz
345
300
255
Stand-by Current
I
STB
μ
A
-
0.5
-
V
DD
=2.85V, CE=0V, FB=0V
Same as I
DD
1
SYMBOL
MIN
TYP
Unless otherwise specified, V
IN
=1.8V, I
OUT
=120mA
External components : R
FB
1 = 400k
, R
FB
2 = 200k
, C
FB
= 47pF
Measuring conditions:
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
= 0.8V or more, but with a value of V
DD
= 2.0V or more,
output voltage and oscillation frequency will be stable.
Note 1:
EFFI = {[(output voltage) x (output current)]
÷
[(input voltage) x (input current)} x 100
Note 2:
Applies to the XC6368 series only (duty ratio when control changes to PFM).
Note 3:
XC6367D, XC6368D series
Please note that the following condition applies :
Soft Start Time (T
SS
) : Connect R
SS
, C
SS
. CE 0V 3.0V
Series Amendments:
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