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參數(shù)資料
| 型號： | ICL828 |
| 廠商： | Intersil Corporation |
| 英文描述： | Switched-Capacitor Voltage Inverter(DC-DC電壓變換器) |
| 中文描述： | 開關(guān)電容電壓逆變器（直流電壓變換器） |
| 文件頁數(shù)： | 2/7頁 |
| 文件大小： | 75K |
| 代理商： | ICL828 |
2
Absolute Maximum Ratings
IN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V, -0.3V
OUT to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -6.0V, +0.3V
OUT Output CURRENT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50mA
OUT Short-circuit to GND . . . . . . . . . . . . . . . . . . . . . . . . . Indefinite
Thermal Information
Thermal Resistance (Typical, Note 1)
SOT23 Package
Maximum Junction Temperature (Plastic Package) . . . . . . . .150
o
C
Maximum Storage Temperature Range. . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . .300
o
C
Operating Conditions
Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
C
Supply Voltage Range . . . . . . . . . . . . . . . . . . . . . . . . 1.5V to 5.5V
θ
JA
(
o
C/W)
240
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on a low effective thermal conductivity test board in free air. (See Tech Brief TB379 for details.).
Electrical Specifications
V
IN
= +5V, C
1
= C
2
= 10
μ
F, T
A
= -40
o
C to 85
o
C, Unless Otherwise Specified
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current
I
CC
25
o
C
-
60
90
μ
A
-40
o
C to 85
o
C
-
-
115
μ
A
Minimum Supply Voltage
V
CC
R
L
= 10K, 25
o
C
R
L
= 10K, -40
o
C to 85
o
C
1.25
1.0
-
V
1.5
-
-
V
Maximum Supply Voltage
V
CC
R
L
= 10K
-40
o
C to 85
o
C
-
-
5.5
V
Oscillator Frequency
f
OSC
6
-
20
kHz
Power Efficiency
P
EFF
R
L
= 10K, 25
o
C
-
98
-
%
Voltage Conversion Efficiency
V
OUT
/ V
IN
R
L
= Open
I
OUT
= 5mA, 25
o
C
I
OUT
= 5mA, -40 to 85
o
C
95
99.9
-
%
Output Resistance
R
OUT
-
20
50
-
-
65
Typical Performance Curves
FIGURE 1. OUTPUT RESISTANCE vs SUPPLY VOLTAGE
FIGURE 2. OUTPUT VOLTAGE RIPPLE vs CAPACITANCE
45
40
35
30
25
20
15
10
5
1.5
2.0
2.5
3.0
3.5
4.0
4.5
5
SUPPLY VOLTAGE (V)
O
)
0
500
400
300
200
100
1.5
20
40
60
80
CAPACITANCE (
μ
F)
O
0
V
IN
= 3.15V, V
OUT
= -2.5V
V
IN
= 1.9V, V
OUT
= -1.5V
V
IN
= 4.75V, V
OUT
= -4.0V
ICL828
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