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參數(shù)資料
| 型號： | ZXCP330 |
| 廠商： | Zetex Semiconductor |
| 元件分類： | DC/DC變換器 |
| 英文描述： | SWITCHED CAPACITOR DC-DC CONVERTER |
| 中文描述： | 開關(guān)電容DC - DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 2/9頁 |
| 文件大小： | 341K |
| 代理商： | ZXCP330 |
ABSOLUTE MAXIMUM RATINGS
V
IN
to G
ND
-0.3V to +7V
E
N
to ground
-0.3V to +7V
V
OUT
to ground
-0.3V to +5.5V
I
OUT
150mA
Operating Temperature
-40°C to 85°C
Storage Temperature Range
-55°C to 125°C
Continuous Power Dissipation
Thermally ltd
ZXCP330
PROVISIONAL ISSUE A - DECEMBER 2001
2
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNIT
Input Voltage
V
IN
V
OUT
2.0
4.4
V
Output Voltage
Note 1
2V
2.5V
V
IN
4.4V, I
OUT
4.4V, I
OUT
20mA
40mA
V
IN
2V
2.5V
3.17
3.17
3.3
3.3
3.43
3.43
V
Maximum Output Current
I
O(max)
V
IN
V
IN
V
IN
= 2V
2V
20
40
mA
Output Short-Circuit Current
I
SC
I
Q
125
mA
Supply Current
V
IN
4.4V , No load
20
40
A
Efficiency
V
IN
=2V, I
OUT
= 20mA
Oscillator free running
82
%
Switching Frequency
f
OSC
V
LDR
500
kHz
Line Regulation (Note 2)
V
IN
=2.5V to 4.4V, I
OUT
=40mA,
T
A
=25°C
I
OUT
=1mA to 40mA, V
IN
=2.5V
T
A
=25°C
f=500kHz, V
IN
=2.5V,
I
OUT
= 40mA
Device active
-50
0
50
mV
Load Regulation (Note 2)
V
LDR
-50
0
50
mV
Output Voltage Ripple
V
R
20
mV pk-pk
Enable pin Input Threshold
High
V
EN(ON)
1.5
5.5
V
Enable pin Input Threshold
Low
V
EN(OFF
)
Device shutdown
0
0.3
V
Enable pin Input current
I
EN
I
Q(SD)
T
A
=25°C, E
N
= 4.4V
E
N
=0V, 2V
T
A
=25°C
V
= 2.5V, E
N
changes from
1.5V to 0.3V
100
nA
Shutdown supply Current
V
IN
4.4V,
1
A
Shutdown time (Note 3)
T
SD
20
s
V
OUT
Turn-on Time
Thermal Shutdown
Temperature
T
ON
T
SD
V
IN
=2V, I
OUT
= 0mA
500
s
135
150
165
°C
ELECTRICAL CHARACTERISTICS
TEST CONDITIONS (unless otherwise stated):
T
A
=-40°C to 85°C, (typical values at 25°), E
N
= V
IN
, C
FLY
=0.22 F,
C
IN
=10 F, C
OUT
=10 F
Note 1: Contact Zetex marketing for availability of alternative output voltages
Note 2: Output can deviate EITHER side of Vnominal for increased load current or line voltage
Note 3: Shutdown time is the time taken for I
IN
to reduce to <1 A
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