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參數(shù)資料
| 型號： | TC7660SEOA |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHED CAPACITOR REGULATOR, 45 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | PLASTIC, SOIC-8 |
| 文件頁數(shù)： | 1/11頁 |
| 文件大小： | 95K |
| 代理商： | TC7660SEOA |
TC7660S
TC7660S-14 9/16/96
EVALUATION
KIT
AVAILABLE
2001 Microchip Technology Inc.
DS21467A
FEATURES
s
Oscillator boost from 10kHz to 45kHz
s
Converts +5V Logic Supply to
±5V System
s
Wide Input Voltage Range .................... 1.5V to 12V
s
Efficient Voltage Conversion ......................... 99.9%
s
Excellent Power Efficiency ............................... 98%
s
Low Power Supply .............................. 80
A @ 5 V
IN
s
Low Cost and Easy to Use
— Only Two External Capacitors Required
s
Available in Small Outline (SOIC) Package
s
Improved ESD Protection ..................... Up to 10kV
s
No External Diode Required for High Voltage
Operation
GENERAL DESCRIPTION
The TC7660S is a pin-compatible upgrade to the Indus-
try standard TC7660 charge pump voltage converter. It
converts a +1.5V to +12V input to a corresponding -1.5V to
-12V output using only two low-cost capacitors, eliminating
inductors and their associated cost, size and EMI. Added
features include an extended supply range to 12V, and a
frequency boost pin for higher operating frequency, allowing
the use of smaller external capacitors.
The on-board oscillator operates at a nominal frequency
of 10kHz. Frequency is increased to 45kHz when pin 1 is
connected to V+. Operation below 10kHz (for lower supply
current applications) is possible by connecting an external
capacitor from OSC to ground (with pin 1 open).
The TC7660S is available in both 8-pin DIP and 8-pin
small outline (SOIC) packages in commercial and extended
temperature ranges.
FUNCTIONAL BLOCK DIAGRAM
TC7660S
GND
INTERNAL
VOLTAGE
REGULATOR
RC
OSCILLATOR
VOLTAGE–
LEVEL
TRANSLATOR
÷ 2
V + CAP +
82
7
6
OSC
LV
3
LOGIC
NETWORK
VOUT
5
CAP –
4
1
BOOST
SUPER CHARGE PUMP DC-TO-DC VOLTAGE CONVERTER
PIN CONFIGURATION (DIP AND SOIC)
1
2
3
4
8
7
6
5
TC7660SCPA
TC7660SEJA
TC7660SEPA
TC7660SCOA
TC7660SEOA
Boost
CAP +
GND
CAP –
Boost
CAP +
GND
CAP
–
VOUT
LOW
VOLTAGE (LV)
OSC
+
V
VOUT
LOW
VOLTAGE (LV)
OSC
+
V
1
2
3
4
8
7
6
5
ORDERING INFORMATION
Temperature
Part No.
Package
Range
TC7660SCOA
8-Pin SOIC
0
°C to +70°C
TC7660SCPA
8-Pin Plastic DIP
0
°C to +70°C
TC7660SEJA
8-Pin CerDIP
– 40
°C to +85°C
TC7660SEOA
8-Pin SOIC
– 40
°C to +85°C
TC7660SEPA
8-Pin Plastic DIP
– 40
°C to +85°C
TC7660SMJA
8-Pin CerDIP
– 55
°C to +125°C
TC7660EV
Evaluation Kit for
Charge Pump Family
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| TC7660SEOA | 制造商:Microchip Technology Inc 功能描述:DC/DC Charge Pump Converter (DC-DC) IC |
| TC7660SEOA713 | 功能描述:電荷泵 High Voltage 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 |
| TC7660SEPA | 功能描述:電荷泵 High Voltage 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 |
| TC7660SMJA | 功能描述:電荷泵 High Voltage 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 |
| TC7662A | 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:CHARGE PUMP DC-TO-DC CONVERTER |
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