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Product Detailed Parameters
- Description：IC REG LIN 1.4V 150MA DFN1010C-4
- Series：-
- Mfr：NXP USA Inc.
- Package：Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.4V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.25V @ 150mA
- Current - Output：150mA
- Current - Quiescent (Iq)：35 µA
- Current - Supply (Max)：150 µA
- PSRR：75dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Transient Voltage
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：4-UDFN Exposed Pad
- Supplier Device Package：DFN1010C-4
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Overview
The LD6805K/14H,115 is a low-dropout regulator (LDO) from the LD6805 series manufactured by NXP Semiconductors. It provides a fixed nominal output voltage of 1.4 V with a maximum output current rating of 150 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 200 mV at full load. It offers high power supply rejection ratio (PSRR) of 75 dB at 1 kHz and low quiescent current in shutdown mode. The component utilizes a DFN1010C-4 plastic package.
Feature Summary
- Provides a fixed 1.4 V output with a 150 mA current capability
- Features high PSRR for effective noise suppression
- Maintains a high-ohmic state at the output pin when disabled
- Operates efficiently with low dropout voltage under load
Applications
- Smart phones and mobile phone handsets
- Digital still cameras
- Portable media players
- Personal navigation devices
Procurement Notes
Verify the specific ordering suffix
Selection Notes
Select this component for portable applications requiring miniaturization and stable low-voltage regulation. Ensure the design accommodates the required external load capacitance for stability. Consider the thermal characteristics and PCB layout requirements to manage heat dissipation effectively within the small package footprint.
Part Context
This part belongs to the LD6805 series of low-dropout regulators designed for ultra-high PSRR performance. The series includes variants with different output voltages and disable modes, such as pull-down functions. Manufactured using monolithic silicon technology, these regulators are optimized for space-constrained environments common in modern consumer electronics.
Replacement Considerations
Check for other LD6805 series variants with compatible output voltages or disable modes. Verify pin compatibility and electrical specifications against alternative LDOs if sourcing from different manufacturers.
FAQ
What is the output state of the LD6805K/14H when disabled?
When disabled, the LD6805K/14H exhibits a high-ohmic state at the output pin.
Does the LD6805K/14H include an auto discharge function?
No, the LD6805K/14H does not have an auto discharge function; this feature is available in the LD6805K/xxP variants.
