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| 型号： | TC1121EOA |
| 厂商： | Microchip Technology |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHD CAP INV ADJ 8SOIC |
| 产品变化通告： | Obsolescence 22/Feb/2011 |
| 标准包装： | 100 |
| 类型： | 切换式电容器（充电泵），反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -2.4 V ~ -5.5 V |
| 输入电压： | 2.4 V ~ 5.5 V |
| 频率 - 开关： | 10kHz ~ 200kHz |
| 电流 - 输出： | 100mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-SOICN |
| 产品目录页面： | 663 (CN2011-ZH PDF) |
| 其它名称： | 158-1062 158-1062-ND |
TC1121
1.0
ELECTRICAL
*Stresses above those listed under “Absolute
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.
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.
Package Power Dissipation (T A ≤ 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
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
I DD
I SHUTDOWN
V +
V IH
V IL
I IN
Parameter
Active Supply Current
Shutdown Supply Current
Supply Voltage
SHDN Input Logic High
SHDN Input Logic Low
Input Leakage Current
Min
—
—
—
2.4
V DD x 0.8
—
-1
Typ
50
0.6
0.2
—
—
—
—
Max
100
1
1.0
5.5
—
0.4
1
Units
μ A
mA
μ A
V
V
V
μ A
Test Conditions
R L = Open, FC = Open or GND
R L = Open, FC = V +
SHDN = 0V
SHDN, OSC
-4
—
4
FC pin
R OUT
I OUT
F OSC
P EFF
Output Source Resistance
Output Current
Oscillator Frequency
Power Efficiency
—
60
5
100
—
93
94
12
100
10
200
—
97
97
20
—
—
—
—
—
Ω
kHz
%
I OUT = 60 mA
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 Ω between V OUT and GND
—
92
I L = 60 mA to GND
V EFF
Voltage Conversion Efficiency
99
99.9
—
%
R L = 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.
? 2006 Microchip Technology Inc.
DS21358C-page 3
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