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參數(shù)資料
| 型號： | TC1121EOAG |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 200 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | SOIC-8 |
| 文件頁數(shù)： | 8/14頁 |
| 文件大小： | 497K |
| 代理商： | TC1121EOAG |
2006 Microchip Technology Inc.
DS21358C-page 3
TC1121
1.0
ELECTRICAL
CHARACTERISTICS
Absolute Maximum Ratings*
Supply Voltage (VDD) ............................................... 6V
OSC, FC, SHDN Input Voltage ..... -0.3V to (V+ + 0.3V)
Output Short Circuit Duration ........................... 10 Sec.
Package Power Dissipation (TA ≤ 70°C)
8-Pin PDIP .............................................. 730 mW
8-Pin SOIC .............................................. 470 mW
8-Pin MSOP ............................................ 333 mW
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: TA = 0°C to 70°C (C suffix), -40°C to +85°C (E suffix), V
+= 5V ±10% C
OSC = Open, C1, C2 = 10 μF,
FC = V+, SHDN = VIH, typical values are at TA = 25°C unless otherwise noted.
Symbol
Parameter
Min
Typ
Max
Units
Test Conditions
IDD
Active Supply Current
—
50
0.6
100
1
μA
mA
RL = Open, FC = Open or GND
RL = Open, FC = V
+
ISHUTDOWN
Shutdown Supply Current
—
0.2
1.0
μASHDN = 0V
V+
Supply Voltage
2.4
—
5.5
V
VIH
SHDN Input Logic High
VDD x 0.8
—
V
VIL
SHDN Input Logic Low
—
0.4
V
IIN
Input Leakage Current
-1
-4
—
1
4
μASHDN, OSC
FC pin
ROUT
Output Source Resistance
—
12
20
Ω
IOUT = 60 mA
IOUT
Output Current
60
100
VOUT = more negative than -3.75V
FOSC
Oscillator Frequency
5
100
10
200
—
kHz
Pin 7 Open, Pin 1 Open or GND
SHDN = VIH, Pin 1 = V
+
PEFF
Power Efficiency
—
93
94
—
97
92
—
%
FC = GND for all
RL = 2k between V
+ and V
OUT
RL = 1kΩ between VOUT and GND
IL = 60 mA to GND
VEFF
Voltage Conversion Efficiency
99
99.9
—
%
RL = Open
Note
1:
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.
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