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參數(shù)資料
| 型號： | TC1121EPA |
| 廠商： | Microchip Technology Inc. |
| 英文描述： | 100mA Charge Pump Voltage Converter with Shutdown |
| 中文描述： | 100mA的電荷泵電壓轉(zhuǎn)換器，具有關(guān)斷 |
| 文件頁數(shù)： | 3/14頁 |
| 文件大?。?/td> | 442K |
| 代理商： | TC1121EPA |
2002 Microchip Technology Inc.
DS21358B-page 3
TC1121
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (V
DD
)...............................................6V
OSC, FC, SHDN Input Voltage .....-0.3V to (V
+
+ 0.3V)
Output Short Circuit Duration...........................10 Sec.
Package Power Dissipation (T
A
≤
70
°
C)
8-Pin PDIP ...............................................730mW
8-Pin SOIC...............................................470mW
8-Pin MSOP.............................................333mW
Operating Temperature Range
C Suffix............................................0
°
C to +70
°
C
E Suffix.........................................-40
°
C to +85
°
C
Storage Temperature Range..............-65
°
C to +150
°
C
*Stresses above those listed under "Absolute Maximum
Ratings" may cause permanent damage to the device. These
are stress ratings only and functional operation of the device
at these or any other conditions above those indicated in the
operation sections of the specifications is not implied.
Exposure to Absolute Maximum Rating conditions for
extended periods may affect device reliability.
TC1121 ELECTRICAL SPECIFICATIONS
Electrical Characteristics:
T
A
= 0
°
C to 70
°
C (C suffix), -40
°
C to +85
°
C (E suffix), V
+
= 5V ±10% C
OSC
= Open, C1, C2 = 10
μ
F,
FC = V
+
, SHDN = V
IH
, typical values are at T
A
= 25
°
C unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
I
DD
Active Supply Current
—
—
—
2.4
50
0.6
0.2
—
—
—
—
—
12
100
10
200
—
97
97
92
99.9
100
1
1.0
5.5
—
0.4
1
4
20
μ
A
mA
μ
A
V
V
V
μ
A
R
L
= Open, FC = Open or GND
R
L
= Open, FC = V
+
SHDN = 0V
I
SHUTDOWN
V
+
V
IH
V
IL
I
IN
Shutdown Supply Current
Supply Voltage
SHDN Input Logic High
SHDN Input Logic Low
Input Leakage Current
V
DD
x 0.8
—
-1
-4
—
60
5
100
—
93
94
—
99
SHDN, OSC
FC pin
I
OUT
= 60mA
V
OUT
= more negative than -3.75V
Pin 7 Open, Pin 1 Open or GND
SHDN = V
IH
, Pin 1 = V
+
FC = GND for all
R
L
= 2k between V
+
and V
OUT
R
L
= 1k
between V
OUT
and GND
I
L
= 60mA to GND
R
L
= Open
R
OUT
I
OUT
F
OSC
Output Source Resistance
Output Current
Oscillator Frequency
—
—
—
—
—
kHz
P
EFF
Power Efficiency
%
V
EFF
Note
Voltage Conversion Efficiency
Connecting any input terminal to voltages greater than V
+
or less than GND may cause destructive latch-up. It is recommended that no
inputs from sources operating from external supplies be applied prior to "power up" of the TC1121.
—
%
1:
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