Datasheet > ICL7660CBAZA-T

ICL7660CBAZA-T

更新时间： 2024-11-08 12:04:51

品牌	Logo	应用领域
英特矽尔 - INTERSIL		光电二极管
页数	文件大小	规格书
12页	279K
描述
Simple Conversion of 5V Logic Supply to Â±5V Supplies

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ICL7660CBAZA-T 数据手册

ICL7660, ICL7660A

Data Sheet

October 10, 2005

FN3072.7

CMOS Voltage Converters

Features

The Intersil ICL7660 and ICL7660A are monolithic CMOS

power supply circuits which offer unique performance

advantages over previously available devices. The ICL7660

performs supply voltage conversions from positive to

negative for an input range of +1.5V to +10.0V resulting in

complementary output voltages of -1.5V to -10.0V and the

ICL7660A does the same conversions with an input range of

+1.5V to +12.0V resulting in complementary output voltages

of -1.5V to -12.0V. Only 2 noncritical external capacitors are

needed for the charge pump and charge reservoir functions.

The ICL7660 and ICL7660A can also be connected to

function as voltage doublers and will generate output

voltages up to +18.6V with a +10V input.

• Simple Conversion of +5V Logic Supply to ±5V Supplies

• Simple Voltage Multiplication (V = (-) nV

)

OUT

• Typical Open Circuit Voltage Conversion Efficiency 99.9%

• Typical Power Efficiency 98%

• Wide Operating Voltage Range

- ICL7660 . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5V to 10.0V

- ICL7660A . . . . . . . . . . . . . . . . . . . . . . . . . 1.5V to 12.0V

• ICL7660A 100% Tested at 3V

• Easy to Use - Requires Only 2 External Non-Critical

Passive Components

• No External Diode Over Full Temp. and Voltage Range

• Pb-Free Plus Anneal Available (RoHS Compliant)

Contained on the chip are a series DC supply regulator, RC

oscillator, voltage level translator, and four output power

MOS switches. A unique logic element senses the most

negative voltage in the device and ensures that the output

N-Channel switch source-substrate junctions are not forward

biased. This assures latchup free operation.

Applications

• On Board Negative Supply for Dynamic RAMs

• Localized µProcessor (8080 Type) Negative Supplies

• Inexpensive Negative Supplies

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

overdriven by an external clock.

• Data Acquisition Systems

The “LV” terminal may be tied to GROUND to bypass the

internal series regulator and improve low voltage (LV)

operation. At medium to high voltages (+3.5V to +10.0V for

the ICL7660 and +3.5V to +12.0V for the ICL7660A), the LV

pin is left floating to prevent device latchup.

Pinouts

ICL7660, ICL7660A

(8 LD PDIP, SOIC)

TOP VIEW

CAP+

GND

V+

OSC

CAP-

OUT

CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.

1-888-INTERSIL or 1-888-468-3774 | Intersil (and design) is a registered trademark of Intersil Americas Inc.

All other trademarks mentioned are the property of their respective owners.

12 3 4 5 6 7...12

中文翻译

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ICL7660CBAZA-T 替代型号

型号	品牌	替代类型	描述	数据表
TL7660CD	TI	功能相似	CMOS VOLTAGE CONVERTER

与ICL7660CBAZA-T相关器件

型号	品牌	获取价格	描述	数据表
ICL7660CBAZ-T	INTERSIL	获取价格	Simple Conversion of 5V Logic Supply to Â±5V
ICL7660CPA	MAXIM	获取价格	Switched-Capacitor Voltage Converters
ICL7660CPA	INTERSIL	获取价格	CMOS Voltage Converters
ICL7660CPA+	MAXIM	获取价格	暂无描述
ICL7660CPA-2	ETC	获取价格	DC-to-DC Voltage Converter
ICL7660CPAZ	INTERSIL	获取价格	CMOS Voltage Converters
ICL7660CSA	MAXIM	获取价格	Switched-Capacitor Voltage Converters
ICL7660CSA+T	MAXIM	获取价格	Switched Capacitor Converter, 0.02A, 10kHz Switching Freq-Max, CMOS, PDSO8, LEAD FREE, SOI
ICL7660CSA-T	MAXIM	获取价格	Switched Capacitor Converter, 0.02A, 10kHz Switching Freq-Max, CMOS, PDSO8, SOIC-8
ICL7660CTV	MAXIM	获取价格	DC-to-DC Voltage Converter

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