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LM2687LDX is listed in the Voltage Regulators - DC DC Switching Regulators range at ChipApex. The manufacturer field lists Texas Instruments. Its product description is IC REG CHARG PUMP ADJ 10MA 8WSON. Review the specifications below when checking this part for your BOM.
Voltage Regulators - DC DC Switching Regulators specifications for LM2687LDX
- Description：IC REG CHARG PUMP ADJ 10MA 8WSON
- Series：-
- Mfr：Texas Instruments
- Package：Tape & Reel (TR)
- Function：Step-Down
- Output Configuration：Negative
- Topology：Charge Pump
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：-1.5V
- Voltage - Output (Max)：-5.2V
- Current - Output：10mA
- Frequency - Switching：110kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 85°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-WFDFN Exposed Pad
- Supplier Device Package：8-WSON (3x3)
- Grade：-
- Qualification：-
Voltage Regulators - DC DC Switching Regulators datasheet and documents for LM2687LDX
Voltage Regulators - DC DC Switching Regulators Overview
The LM2687LDX is a negative adjustable charge pump switching regulator manufactured by Texas Instruments. It operates within an input voltage range of 2.7V to 5.5V, delivering an adjustable output voltage between -1.5V and -5.2V with a maximum output current of 10mA. The device functions at a fixed switching frequency of 110kHz and utilizes a synchronous-free topology. It is housed in an 8-VSSOP package and supports surface-mount installation. The operational temperature range spans from -40°C to +85°C.
Voltage Regulators - DC DC Switching Regulators Feature Summary
- Provides negative voltage generation via charge pump topology
- Features adjustable output voltage capability for flexible system design
- Integrates internal switching control for efficient DC-DC conversion
Voltage Regulators - DC DC Switching Regulators Applications
- Portable electronic devices requiring negative supply rails
- Battery-powered systems needing voltage inversion
- Embedded applications utilizing single-supply architectures
Voltage Regulators - DC DC Switching Regulators Procurement Notes
Verify component authenticity through authorized distribution channels. Confirm package integrity and pin alignment against the 8-VSSOP specification. Ensure storage conditions maintain moisture sensitivity level standards prior to reflow soldering processes.
Voltage Regulators - DC DC Switching Regulators Selection Notes
Select this component when a compact negative voltage source is required for low-current loads. Consider the 10mA output limit and 110kHz switching frequency constraints during circuit design. Evaluate thermal performance within the specified operating temperature range for reliable operation.
Voltage Regulators - DC DC Switching Regulators Part Context
This part belongs to the LM2687 series of charge pump regulators designed for space-constrained applications. It serves as a solution for generating negative voltages from positive single supplies without requiring inductors, distinguishing it from traditional buck or boost converters.
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