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參數(shù)資料
| 型號： | TC1121CUA713 |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHED CAPACITOR CONVERTER, 200 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 497K |
| 代理商： | TC1121CUA713 |
2006 Microchip Technology Inc.
DS21358C-page 1
TC1121
Features:
Optional High-Frequency Operation Allows Use of
Small Capacitors
Low Operating Current (FC = GND):
-50
μA
High Output Current (100 mA)
Converts a 2.4V to 5.5V Input Voltage to a
Corresponding Negative Output Voltage
(Inverter mode)
Uses Only 2 Capacitors; No Inductors Required
Selectable Oscillator Frequency:
- 10 kHz to 200 kHz
Power-Saving Shutdown Input
Available in 8-Pin MSOP, 8-Pin PDIP and 8-Pin
Small Outline (SOIC) Packages
Applications:
Laptop Computers
Medical Instruments
Disk Drives
μP-Based Controllers
Process Instrumentation
Device Selection Table
Package Type
General Description:
The TC1121 is a charge pump converter with 100 mA
output current capability. It converts a 2.4V to 5.5V
input to a corresponding negative output voltage. As
with all charge pump converters, the TC1121 uses no
inductors saving cost, size and EMI.
An on-board oscillator operates at a typical frequency
of 10 kHz (at V+ = 5V) when the frequency control input
(FC) is connected to ground. The oscillator frequency
increases to 200 kHz when FC is connected to V+,
allowing the use of smaller capacitors. Operation at
sub-10 kHz frequencies results in lower quiescent
NScurrent and is accomplished with the addition of an
external capacitor from OSC (pin 7) to ground. The
TC1121 also can be driven from an external clock
NSconnected OSC. Typical supply current at 10 kHz is
50
μA, and falls to less than 1 μA when the shutdown
input is brought low, whether the internal or an external
clock is used. The TC1121 is available in 8-pin SOIC,
MSOP and PDIP packages.
Part
Number
Package
Operating
Temp.
Range
TC1121COA
8-Pin SOIC
0°C to +70°C
TC1121CPA
8-Pin PDIP
0°C to +70°C
TC1121CUA
8-Pin MSOP
0°C to +70°C
TC1121EOA
8-Pin SOIC
-40°C to +85°C
TC1121EPA
8-Pin PDIP
-40°C to +85°C
TC1121EUA
8-Pin MSOP
-40°C to +85°C
TC1121COA
TC1121EOA
TC1121CUA
TC1121EUA
SHDN
FC
CAP+
CAP–
1
2
3
4
8
7
6
5
GND
OSC
V+
8-Pin SOIC
8-Pin MSOP
VOUT
TC1121CPA
TC1121EPA
SHDN
FC
CAP+
CAP–
1
2
3
4
8
7
6
5
GND
OSC
V+
8-Pin PDIP
VOUT
100mA Charge Pump Voltage Converter with Shutdown
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1121EOA | 功能描述:電荷泵 w/ Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| TC1121EOA | 制造商:Microchip Technology Inc 功能描述:DC/DC Charge Pump Converter IC |
| TC1121EOA713 | 功能描述:電荷泵 w/ Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| TC1121EPA | 功能描述:電荷泵 w/ Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
| TC1121EUA | 功能描述:電荷泵 w/ Shutdown RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 輸出電壓:- 1.5 V to - 5.5 V, 3 V to 11 V 輸出電流:100 mA 電源電流:1 mA 最大工作溫度:+ 70 C 封裝 / 箱體:SOIC-8 Narrow 封裝:Tube |
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