參數(shù)資料
型號(hào)： TCM680COA
廠商： TelCom Semiconductor, Inc.
英文描述： +5V TO 【10V VOLTAGE CONVERTER
中文描述： 5V至【10V的電壓轉(zhuǎn)換器
文件頁數(shù)： 3/7頁
文件大?。?/td> 96K
代理商： TCM680COA
4-15
TELCOM SEMICONDUCTOR, INC.
7
6
5
4
3
1
2
8
TCM680
+5V TO
±
10V VOLTAGE CONVERTER
Figure 4. Charge Pump – Phase 3
Phase 2
V
SS
transfer – Phase two of the clock connects the
negative terminal of C
2
to the V
SS
storage capacitor C
3
and
the positive terminal of C
2
to ground, transferring the gener-
ated –10V to C
3
. Simultaneously, the positive side of capaci-
tor C
1
is switched to +5V and the negative side is connected
to ground.
Phase 3
V
DD
charge storage – The third phase of the clock is
identical to the first phase – the charge transferred in C
1
produces –5V in the negative terminal of C
1
, which is applied
to the negative side of capacitor C
2
. Since C
2
voltage potential across C
2
is 10V.
+
is at +5V, the
Figure 3. Charge Pump – Phase 2
DETAILED DESCRIPTION
Phase 1
V
SS
charge storage – The positive side of capacitors C
1
and C
2
are connected to +5V at the start of this phase. C
1
then switched to ground and the charge in C
1
to C
2
across capacitor C
2
is now 10V.
+
is
–
is transferred
–
. Since C
2
+
is connected to +5V, the voltage potential
Phase 4
V
DD
transfer – The fourth phase of the clock connects
the negative terminal of C
2
to ground, and transfers the
generated 10V across C
2
to C
4
, the V
DD
storage capacitor.
Again, simultaneously with this, the positive side of capaci-
tor C
1
is switched to +5V and the negative side is connected
to ground, and the cycle begins again.
Figure 2. Charge Pump – Phase 1
V
IN
= +5V
V
SS
V
DD
–5V
SW4
SW1
SW2
SW3
C
2
C
4
C
3
C
1
+
–
+
+
–
–
+
–
+5V
V
SS
V
DD
–10V
SW4
SW2
SW1
SW3
C
2
C
3
C
1
+
–
+
+
–
–
C
4
+
–
V
IN
= +5V
V
SS
V
DD
–5V
SW4
SW1
SW2
SW3
C
2
C
4
C
3
C
1
+
–
+
+
–
–
+
–
Figure 5. Charge Pump – Phase 4
+5V
V
SS
V
DD
–10V
SW4
SW2
SW1
SW3
C
2
C
3
C
1
+
–
+
+
–
–
C
4
+
–
MAXIMUM OPERATING LIMITS
The TCM680 has on-chip zener diodes that clamp V
IN
to 5.8V, V
the maximum supply voltage or excessive current will be
shunted by these diodes, potentially damaging the chip. The
TCM680 will operate over the entire operating temperature
range with an input voltage of 2V to 5.5V.
OUT
to 11.6V, and V
–
to –11.6V. Never exceed
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TCM680COATR 功能描述:電荷泵 Charge Pump Cnverter 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
TCM680CPA 功能描述:電荷泵 Charge Pump Cnverter 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
TCM680EOA 功能描述:電荷泵 Charge Pump Cnverter 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
TCM680EOATR 功能描述:電荷泵 Charge Pump Cnverter 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
TCM680EPA 功能描述:電荷泵 Charge Pump Cnverter 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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