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參數(shù)資料
| 型號(hào)： | TC7660H |
| 廠商： | TelCom Semiconductor, Inc. |
| 英文描述： | HIGH FREQUENCY 7660 DC-TO-DC VOLTAGE CONVERTER |
| 中文描述： | 高頻7660型DC - DC電壓轉(zhuǎn)換器 |
| 文件頁數(shù)： | 6/6頁 |
| 文件大小： | 97K |
| 代理商： | TC7660H |
4-68
TELCOM SEMICONDUCTOR, INC.
TC7660H
HIGH FREQUENCY 7660 DC-TO-DC
VOLTAGE CONVERTER
Efficient Positive Voltage Multiplication/
Conversion
Since the switches that allow the charge pumping op-
eration are bidirectional, the charge transfer can be per-
formed backwards as easily as forwards. Figure 9 shows a
TC7660H transforming – 5V to +5V (or +5V to +10V, etc.).
The only problem here is that the internal clock and switch-
drive section will not operate until some positive voltage has
been generated. An initial inefficient pump, as shown in
Figure 9, could be used to start this circuit up, after which it
will bypass the diode and resistor shown dotted in
Figure 9.
1
2
3
4
8
7
6
5
+
VOUT = –V–
1.0
μ
F
+
1 M
V– INPUT
C1
1.0
μ
F
TC7660H
Figure 9. Positive Voltage Conversion
TYPICAL PERFORMANCE CHARACTERISTICS
(Circuit of Figure 1)
500
450
400
200
150
100
50
0
–55
–25
0
TEMPERATURE (
°
C)
+25
+50
+75 +100 +125
Output Source Resistance vs. Temperature
O
)
V+ = +2V
V + = +5V
7
8
10k
1k
100
O
)
TA = +25
°
C
Output Source Resistance vs. Supply Voltage
6
5
4
3
2
SUPPLY VOLTAGE (V)
1
0
IOUT = 1 mA
10
OUTPUT CURRENT (mA)
O
0
0
Output Voltage vs. Output Current
C
I
C
2
=1
μ
F
–1
–2
–3
–4
–5
–6
–7
–8
–9
–10
10
20 30 40 50
60 70 80
90 100
TA = +25
°
C
LV OPEN
LOAD CURRENT (mA)
O
Output Voltage vs. Load Current
1
0
5
4
3
2
0
–1
–2
–3
–4
–5
10
20
30
40
50
60
70
80
TA = +25
°
C
V+ = +5V
SLOPE 55
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| TC7660HEOA | HIGH FREQUENCY 7660 DC-TO-DC VOLTAGE CONVERTER |
| TC7660IJA | CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER |
| TC7660COA | CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER |
| TC7660IJA | CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER |
| TC7660SEJA | SUPER CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| TC7660HCOA | 功能描述:電荷泵 High Frequency 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 |
| TC7660HCOA713 | 功能描述:電荷泵 High Frequency 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 |
| TC7660HCPA | 功能描述:電荷泵 High Frequency 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 |
| TC7660HCPA | 制造商:TELCOM SEMICONDUCTOR 功能描述:DC/DC VOLT CONVERTER 7660 DIP8 |
| TC7660HEOA | 功能描述:電荷泵 High Frequency 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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