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參數(shù)資料
| 型號： | TC1121COA |
| 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)： | 6/14頁 |
| 文件大小： | 442K |
| 代理商： | TC1121COA |
TC1121
DS21358B-page 6
2002 Microchip Technology Inc.
3.4
Cascading Devices
To produce greater negative magnitudes of the initial
supply voltage, the TC1121 may be cascaded (see
Figure 3-2). Resulting output resistance is approxi-
mately equal to the sum of individual TC1121 R
OUT
values. The output voltage (where n is an integer
representing the number of devices cascaded) is
defined by V
OUT
= -n (V
IN
).
3.5
Paralleling Devices
To reduce output resistance, multiple TC1121s may be
paralleled (see Figure 3-3). Each device needs a pump
capacitor C1, but the reservoir capacitor C2 serves all
devices. The value of C2 should be increased by a
factor of n (the number of devices).
FIGURE 3-2:
CASCADING TC1121s TO INCREASE OUTPUT VOLTAGE
FIGURE 3-3:
PARALLELING TC1121s TO REDUCE OUTPUT RESISTANCE
1
1n
8
7
2
N
2n
C1121
ND
C1121
ND
SC
SC
AP
AP
AP
AP
C
C
HDN
UT
UT
N
UT
V
IN
HDN
HDN*
HDN*
SHDN should be tied to V
IN if
ot used.
1"
n"
C1
1n
2
2
N
C1121
ND
C1121
ND
SC
SC
CAP
+
AP
AP
AP
FC
C
HDN
UT
UT
N
HDN
HDN*
HDN*
IN if
not used.
1"
n"
SC
UT
= R
UT
of TC1121)/n(number of devices)
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC1121CPA | 100mA Charge Pump Voltage Converter with Shutdown |
| TC1121CUA | 100mA Charge Pump Voltage Converter with Shutdown |
| TC1121EPA | 100mA Charge Pump Voltage Converter with Shutdown |
| TC1121EOA | 100mA Charge Pump Voltage Converter with Shutdown |
| TC1130 | 32-Bit Single-Chip Microcontroller |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC1121COA | 制造商:Microchip Technology Inc 功能描述:IC DC/DC CHARGE PUMP CONVERTER |
| TC1121COA | 制造商:Microchip Technology Inc 功能描述:DC/DC Charge Pump Converter IC |
| TC1121COA713 | 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 |
| TC1121CPA | 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 |
| TC1121CUA | 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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