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LM2687LDX The Texas Instruments LM2687LDX is a low noise, regulated switched capacitor voltage inverter. It delivers an adjustable negative output voltage from a positive input supply.
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LM2687LDX

Available from 1 distributors
Mfr Name: Texas Instruments
Texas Instruments
The Texas Instruments LM2687LDX is a low noise, regulated switched capacitor voltage inverter. It delivers an adjustable negative output voltage from a positive input supply.
✓ Total Stock: 6,898 pcs
$ Price Range: $0.16

LM2687LDX Available from 1 distributor

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✓ Non-Authorised
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Components Technology Group, Inc. ✓
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6,898 pcs
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LM2687LDX Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Current
Frequency
Function
Mounting Type
Number of Outputs
Operating Temperature
Output Configuration
Output Type
Supplier Device Package
Supplier Package
Synchronous Rectifier
Topology
Voltage
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LM2687LDX Description

Short technical summary and product information.

The LM2687LDX from Texas Instruments is a CMOS negative regulated switched capacitor voltage inverter designed for low noise applications. It accepts an input voltage range of +2.7V to +5.5V and provides an adjustable negative output voltage between -1.5V and -5.2V.

 

This device operates at a typical switching frequency of 100 kHz, reducing output resistance and voltage ripple. It offers a charge pump power efficiency greater than 90% with most loads and can deliver up to 10mA of output current. The shutdown mode lowers quiescent current to a typical 0.05 µA, making it suitable for low-power applications.

 

The LM2687LDX is available in a compact 8-pin WSON (3x3) or WFDFN package, suitable for surface mounting. Its low output ripple (1mV typical) and low operating current make it ideal for power amplifier biasing in cellular phones, interface power supplies, and other portable electronic devices requiring a stable negative voltage.

 

Key electrical specifications include an input voltage range of 2.7V to 5.5V, an adjustable negative output, and a maximum output current of 10mA. The operating temperature range is -40°C to 85°C (TA).

LM2687LDX Quick Information

Product Type: Voltage Regulator
Canonical Name: LM2687LDX Low Noise Regulated Switched Capacitor Voltage Inverter
Subcategory: Charge Pump

LM2687LDX Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

LM2687LDX Estimated Pricing

Qty Low High
1+ $0.16 $0.16

Estimated market price range - modelled values for guidance only, not live distributor offers.

LM2687LDX Features

  • Low noise regulated switched capacitor inverter.
  • Adjustable negative output voltage.
  • Up to 10mA output current.
  • Wide input voltage range.
  • Low shutdown current.

LM2687LDX Applications

  • Cellular phone power amplifier biasing.
  • Low current negative voltage needs.
  • Interface power supplies.
  • Handheld instrumentation.
  • Laptop computers and PDAs.

LM2687LDX FAQs

6 frequently asked questions generated from this part’s specifications.
What is the input voltage range for the LM2687LDX?

The input voltage range for the LM2687LDX is +2.7V to +5.5V.

What is the adjustable output voltage range of the LM2687LDX?

The LM2687LDX has an adjustable output voltage range from -1.5V to -5.2V.

What is the maximum output current for the LM2687LDX?

The LM2687LDX can provide up to 10mA of output current.

What is the typical switching frequency of the LM2687LDX?

The typical switching frequency of the LM2687LDX is 100 kHz.

What is the operating temperature range for the LM2687LDX?

The operating temperature range for the LM2687LDX is -40°C to 85°C (TA).

What package is the LM2687LDX supplied in?

The LM2687LDX is supplied in an 8-WSON (3x3) package.

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