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參數資料
| 型號： | ICL7660SIBAZT |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | Super Voltage Converter |
| 中文描述： | SWITCHED CAPACITOR CONVERTER, 35 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | LEAD-FREE, PLASTIC, MS-012-AA, SOIC-8 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 314K |
| 代理商： | ICL7660SIBAZT |
1
FN3179.4
ICL7660S
Super Voltage Converter
The ICL7660S Super Voltage Converter is a monolithic
CMOS voltage conversion IC that guarantees significant
performance advantages over other similar devices. It is a
direct replacement for the industry standard ICL7660 offering
an
extended
operating supply voltage range up to 12V, with
lower
supply current.
No external diode
is needed for the
ICL7660S. In addition, a
Frequency Boost pin
has been
incorporated to enable the user to achieve lower output
impedance despite using smaller capacitors. All
improvements are highlighted in the Electrical Specifications
section.
Critical parameters are guaranteed over the entire
commercial, industrial and military temperature ranges.
The ICL7660S performs supply voltage conversion from
positive to negative for an input range of 1.5V to 12V,
resulting in complementary output voltages of -1.5V to -12V.
Only 2 non-critical external capacitors are needed for the
charge pump and charge reservoir functions. The ICL7660S
can be connected to function as a voltage doubler and will
generate up to 22.8V with a 12V input. It can also be used as
a voltage multiplier or voltage divider.
The chip contains a series DC power supply regulator, RC
oscillator, voltage level translator, and four output power
MOS switches. The oscillator, when unloaded, oscillates at a
nominal frequency of 10kHz for an input supply voltage of
5.0V. This frequency can be lowered by the addition of an
external capacitor to the “OSC” terminal, or the oscillator
may be over-driven by an external clock.
The “LV” terminal may be tied to GND to bypass the internal
series regulator and improve low voltage (LV) operation. At
medium to high voltages (3.5V to 12V), the LV pin is left
floating to prevent device latchup.
Pinout
ICL7660S (PDIP, SOIC)
TOP VIEW
Features
Guaranteed Lower Max Supply Current for All
Temperature Ranges
Wide Operating Voltage Range 1.5V to 12V
100% Tested at 3V
No External Diode Over Full Temperature and Voltage
Range
Boost Pin (Pin 1) for Higher Switching Frequency
Guaranteed Minimum Power Efficiency of 96%
Improved Minimum Open Circuit Voltage Conversion
Efficiency of 99%
Improved SCR Latchup Protection
Simple Conversion of +5V Logic Supply to
±
5V Supplies
Simple Voltage Multiplication V
OUT
= (-)nV
IN
Easy to Use - Requires Only 2 External Non-Critical
Passive Components
Improved Direct Replacement for Industry Standard
ICL7660 and Other Second Source Devices
Pb-Free Plus Anneal Available (RoHS Compliant)
Applications
Simple Conversion of +5V to
±
5V Supplies
Voltage Multiplication V
OUT
=
±
nV
IN
Negative Supplies for Data Acquisition Systems and
Instrumentation
RS232 Power Supplies
Supply Splitter, V
OUT
=
±
V
S
/2
BOOST
CAP+
GND
CAP-
1
2
3
4
8
7
6
5
V+
OSC
LV
V
OUT
Data Sheet
September 6, 2005
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or1-888-468-3774
Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright Intersil Americas Inc. 2004, 2005. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| ICL7660SIPA | 功能描述:電荷泵 CMOS VAGE CNVRTR IND 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 |
| ICL7660SIPAZ | 功能描述:電荷泵 W/ANNEAL CMOS VAGE CNVRTR IND 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 |
| ICL7660SMTV | 制造商:Rochester Electronics LLC 功能描述: |
| ICL7660TV | 制造商:Harris Corporation 功能描述: |
| ICL7661SCBA | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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