LMC7660IN

Inverted/Upconverted/Downconverted Power Supply -1.5V to -10V 50mA 8-Pin PDIP Rail
6,906 Effective Inventory

LMC7660IN

Effective Inventory6,906

Inverted/Upconverted/Downconverted Power Supply -1.5V to -10V 50mA 8-Pin PDIP Rail

  • Manufacturer Part # : LMC7660IN

  • Package/Case: PDIP-8

  • Brand: Texas Instruments

  • Product Categories : Voltage Regulators - DC DC Switching Regulators

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Shipping & Payment

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Service & Packaging

Service & Packaging

About After Sales Service

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LMC7660IN DataSheet

Pricing (USD)

Quantity Unit Price Ext. Price
1 $2.651 $2.65
200 $1.027 $205.40
500 $0.991 $495.50
1000 $0.972 $972.00

These prices are subject to market fluctuations, and a quote submission is required to obtain the latest prices.

Rapid Quote

Please submit RFQ for LMC7660IN or email to us: Email: [email protected], we will contact you in 12 hours.

Details

The LMC7660IN by Texas Instruments is a versatile CMOS voltage converter IC that offers a reliable solution for converting input voltages to negative output voltages. With a voltage range of 1.5V to 10V, this IC is perfect for applications that require a negative voltage supply. Its ability to generate output voltages as low as -10V and as high as -1.5V, coupled with a low quiescent current consumption of 2mA, makes it an energy-efficient choice for battery-powered devices. The built-in protection features, including overcurrent and thermal shutdown, ensure the safety and reliability of the IC under various conditions. Its 8-pin DIP package allows for easy integration into electronic circuits, making it a convenient option for designers and engineers seeking a compact and robust voltage converter solution

Key Features

  • Small footprint SOT-23-5 package
  • Guaranteed 2.7V, 3V, 5V, and 12V performance
  • 500kHz gain-bandwidth
  • 0.01% total harmonic distortion at 10kHz (5V, 2kΩ)
  • 0.5mA typical supply current at 5V

Specifications

The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Product Category ! Switching Voltage Regulators RoHS N
Output Voltage - 1.5 V to - 10 V Output Current ! 20 mA
Input Voltage, Max 10 V Number of Outputs 1 Output
Topology Boost, Buck Package / Case PDIP-8
Mounting Style Through Hole Switching Frequency ! 10 kHz
Minimum Operating Temperature - 40 C Maximum Operating Temperature ! + 85 C
Series LMC7660 Input Voltage, Min 1.5 V
Brand Texas Instruments Function Inverting
Height 3.3 mm Length 9.27 mm
Product Type ! Switching Voltage Regulators Factory Pack Quantity 40
Subcategory PMIC - Power Management ICs Type Switched Capacitor Voltage Converter
Width 6.35 mm Unit Weight 0.015521 oz

Datasheet PDF

Datasheets record the features, absolute maximum ratings, applications and more of the device, which benefit a lot as an overall guide to the specific application of the part.

Preliminary Specification LMC7660IN PDF Download

FAQs

What is LMC7660IN?

The LMC7660IN is a CMOS voltage converter IC designed by Texas Instruments. It is commonly used to generate a negative voltage from a positive input voltage, making it useful in applications where a negative supply is required.

How Does LMC7660IN Work?

The LMC7660IN operates by converting a positive input voltage to a corresponding negative output voltage using charge-pump technology. By doubling the input voltage magnitude and inverting its polarity, the LMC7660IN effectively creates a negative voltage output. This is particularly useful in circuits that require both positive and negative supply voltages.

How Many Pins does LMC7660IN have and What are the Functions of the Pinout Configuration?

The LMC7660IN is housed in an 8-pin PDIP (Plastic Dual In-Line Package) or SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

  • V+: Positive supply voltage input.
  • V-: Negative supply voltage output.
  • GND: Ground reference.
  • C1+: Positive flying capacitor pin.
  • C1-: Negative flying capacitor pin.
  • C2+: Positive flying capacitor pin.
  • C2-: Negative flying capacitor pin.
  • OSC: Oscillator pin for internal clock generation.

What are the Pros and Cons of LMC7660IN?

Pros:

  • Simple Design: Provides an easy solution for generating negative voltages from positive supplies.
  • Low Cost: Offers a cost-effective option for applications requiring a negative voltage source.
  • Compact Package: Available in space-efficient PDIP or SOIC packages for versatility.
  • Wide Voltage Range: Supports a wide input voltage range for flexibility in various applications.

Cons:

  • Limited Output Current: May not be suitable for high-current applications.
  • Output Ripple: The charge-pump design may introduce some output ripple voltage.
  • External Capacitors: Requires external capacitors for proper operation, which may increase component count.

Are There Any Equivalents/Alternatives to LMC7660IN for Recommendation?

  • The ICL7660 from Intersil is a comparable voltage converter IC to the LMC7660IN.
  • Alternatives to the LMC7660IN include the MAX660 from Maxim Integrated and the TPS60403 from Texas Instruments.

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