LM2662M/NOPB

Name: LM2662M/NOPB
Brand: Texas Instruments
Availability: InStock
Rating: 4.5 (10 reviews)
Author: Lisleapex

Switching Voltage Regulators SWITCHED CAPACITOR VLTG CONVERTER

6,996 Effective Inventory

LM2662M/NOPB

Effective Inventory6,996

Switching Voltage Regulators SWITCHED CAPACITOR VLTG CONVERTER

Manufacturer Part # : LM2662M/NOPB
Package/Case: SOIC-8
Part Status : End Of Life
Brand: Texas Instruments
Product Categories : Voltage Regulators , DC DC Switching Regulators
Series : LM2662

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LM2662M/NOPB DataSheet

Pricing (USD)

Quantity	Unit Price	Ext. Price
1	$3.073	$3.07
10	$2.660	$26.60
30	$2.416	$72.48
95	$2.107	$200.16
475	$1.992	$946.20
950	$1.941	$1,843.95

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

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LM2662M/NOPB Details

The LM2662M/NOPB is a switched capacitor voltage converter from Texas Instruments, designed for high efficiency power conversion in portable applications. This device provides an adjustable output voltage range of -1.5V to -5V, making it suitable for battery-powered devices and low-power load switching circuits.

Pinout

VIN+: Input Voltage Positive
VIN-: Input Voltage Negative
VOUT+: Output Voltage Positive
VOUT-: Output Voltage Negative
EN+: Enable Input Positive
EN-: Enable Input Negative

(Tip: For detailed pinout information, please refer to the corresponding datasheet.)

Key Features

Adjustable Output Voltage: Provides an output voltage range of -1.5V to -5V for flexible power conversion.
High Efficiency Power Conversion: Designed for high efficiency power conversion, making it suitable for battery-powered applications.
Low Power Consumption: Consumes low power, making it ideal for portable devices and energy harvesting systems.
Wide Input Voltage Range: Operates with an input voltage range of 2.5V to 6V, suitable for various battery types and charging schemes.

Applications

The LM2662M/NOPB is suitable for a wide range of applications, including:

Battery-powered devices, such as smartphones, tablets, and laptops.
Portable power tools and equipment.
Energy harvesting systems, such as solar-powered chargers.
Low-power load switching circuits for industrial applications.

Where to Use

The LM2662M/NOPB is designed for use in portable and battery-powered devices, as well as energy harvesting systems. It is suitable for a wide range of applications where high efficiency power conversion and adjustable output voltage are required.

How to Use

To use the LM2662M/NOPB, connect the VIN+ and VIN- pins to your input voltage source. Connect the VOUT+ and VOUT- pins to your load or output device. Apply a logic high signal to the EN+ pin to enable the converter, and apply a logic low signal to disable it.

(Tip: For detailed usage instructions, refer to the datasheet.)

Application Circuit

The application circuit diagram for the LM2662M/NOPB illustrates how to connect the converter to your input voltage source and load. It includes connections for VIN+, VIN-, VOUT+, VOUT-, EN+, and EN- pins, ensuring proper operation and high efficiency power conversion.

(Tip: For detailed circuit diagram connections and usage guide, refer to the datasheet.)

Equivalents

LM2661M/NOPB: A similar switched capacitor voltage converter from Texas Instruments with comparable features and performance.
MAX1755: An alternative switched capacitor voltage converter from Maxim Integrated offering equivalent functionality.

Complementary

The LM2662M/NOPB can be complemented by the LM2661M/NOPB, which offers additional features such as higher efficiency and wider input voltage range, suitable for more demanding power conversion applications.

(Tip: When selecting complementary devices, ensure that their features and specifications align with your specific application requirements for optimal performance and compatibility.)

Frequently Asked Questions

Q: What is the maximum output current of the LM2662M/NOPB?

A: The LM2662M/NOPB has a maximum output current of 1A. For more details, refer to the datasheet for specific operating conditions and limitations.

Q: Can the LM2662M/NOPB be used in automotive applications?

A: Yes, the LM2662M/NOPB is suitable for use in automotive applications where high efficiency power conversion and adjustable output voltage are required. However, please consult the datasheet for specific operating conditions and limitations.

Specifications

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

Vin (min) (V)	1.5	Vin (max) (V)	5.5
Vout (min) (V)	-5.5	Vout (max) (V)	11
Iout (max) (A)	0.2	Regulated outputs (#)	1
Switching frequency (min) (kHz)	27.5	Switching frequency (max) (kHz)	75
Iq (typ) (mA)	1.3	Operating temperature range (°C)	-40 to 85
Rating	Catalog	Type	Charge pump

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 LM2662M/NOPB PDF Download

FAQs

What is LM2662M/NOPB?

The LM2662M/NOPB is a switched capacitor voltage converter designed by Texas Instruments. It is commonly used to generate a negative voltage from a positive input voltage, making it ideal for applications that require a negative supply rail, such as op-amp circuits and biasing for TFT-LCD displays.

How Does LM2662M/NOPB Work?

The LM2662M/NOPB works by utilizing a switched capacitor topology to invert the input voltage and generate a negative output voltage. It uses charge-pump techniques to efficiently produce the negative voltage rail without the need for inductors, making it suitable for space-constrained designs. The converter can provide a regulated negative output voltage from an unregulated input voltage.

How Many Pins does LM2662M/NOPB have and What are the Functions of the Pinout Configuration?

The LM2662M/NOPB is housed in an 8-pin SOIC (Small Outline Integrated Circuit) package. The pinout configuration includes:

V+: Positive input voltage pin.
V-: Negative output voltage pin.
C1-: Negative flying capacitor pin.
C1+: Positive flying capacitor pin.
C2+: C2+ flying capacitor pin.
C2-: C2- flying capacitor pin.
GND: Ground pin.
SHDN: Shutdown/control pin.

What are the Pros and Cons of LM2662M/NOPB?

Pros:

Efficiency: Provides efficient generation of negative output voltage without the need for inductors.
Space-Saving: Compact package and inductorless design make it suitable for space-constrained applications.
Regulated Output: Can provide a regulated negative output voltage even from unregulated input sources.
Shutdown Feature: Includes a shutdown pin for power-saving and control purposes.

Cons:

Output Current Limitation: May have limitations on the maximum output current compared to certain linear regulators.
Noisy Output: Switched capacitor converters may introduce some noise on the output voltage.

Are There Any Equivalents/Alternatives to LM2662M/NOPB for Recommendation?

The ICL7660 from Intersil is a similar switched capacitor voltage converter with comparable functionality.
Alternatives to the LM2662M/NOPB include the MAX764 from Maxim Integrated and the LT1054 from Analog Devices.