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Product Detailed Parameters
- Description：IC REG LIN 2.2V 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)：2.2V
- 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/22P,115 is a fixed positive Low Dropout (LDO) regulator manufactured by NXP Semiconductors. It provides a nominal output voltage of 2.2 V with an input voltage range from 2.3 V to 5.5 V. The device supports a maximum output current of 150 mA and features a dropout voltage of 250 mV at full load. It incorporates an integrated pull-down switching transistor that ensures a low-ohmic output state in disabled mode for auto discharge functionality. The component operates within a junction temperature range of -40 °C to +125 °C and utilizes a DFN1010C-4 plastic package.
Feature Summary
- Integrated pull-down switching transistor providing a low-ohmic output state when disabled
- Ultra-high Power Supply Rejection Ratio (PSRR) of 75 dB at 1 kHz
- Low quiescent current consumption in shutdown mode
- High accuracy fixed output voltage regulation
Applications
- Powering analog and digital interfaces requiring lower than standard supply voltages
- Mobile appliances such as smart phones and cordless telephones
- Portable media players and personal navigation devices
Procurement Notes
Verify the specific ordering suffix
Selection Notes
Select this variant over the high-ohmic version when rapid discharge of the output capacitor is required upon shutdown. Ensure the external load capacitance meets the minimum stability requirement of 0.7 µF. Confirm that the application input voltage remains within the 2.3 V to 5.5 V operating range to maintain proper regulation.
Part Context
This component belongs to the LD6805 series of low-dropout regulators designed for portable applications. The series offers ultra-small packaging and high PSRR. The 'xxP' designation specifically indicates the inclusion of an auto-discharge feature via a pull-down transistor, distinguishing it from the 'xxH' variants which exhibit a high-impedance state when disabled.
Replacement Considerations
LD6805K/22H,115: Identical electrical specifications but lacks the auto-discharge pull-down transistor, resulting in a high-ohmic output state when disabled.
