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Product Detailed Parameters
- Description：IC REG LINEAR 1.2V 300MA 4-WLCSP
- Series：-
- Mfr：NXP USA Inc.
- Package：Tape & Reel (TR),Bulk
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.2V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.16V @ 300mA
- Current - Output：300mA
- Current - Quiescent (Iq)：100 µA
- Current - Supply (Max)：250 µA
- PSRR：55dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：4-XFBGA, WLCSP
- Supplier Device Package：4-WLCSP (0.76x0.76)
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Overview
The LD6836CX4/12H,315 is a fixed-output Low Dropout regulator (LDO) from the NXP LD6836 series. It provides a nominal output voltage of 1.2 V with a maximum output current rating of 300 mA. The device operates within an input voltage range of 2.3 V to 5.5 V and features a typical dropout voltage of 90 mV at full load. It utilizes a WLCSP4 package with a 0.4 mm pitch and dimensions of 0.76 mm x 0.76 mm x 0.47 mm. In disabled mode, the 'H' suffix indicates a high-ohmic (three-state) output.
Feature Summary
- Ultra-low dropout performance with minimal voltage loss at high currents
- Low noise operation suitable for sensitive analog and digital interfaces
- Integrated protection against over-temperature conditions and output short circuits
- High-impedance output state when disabled to prevent leakage
Applications
- Mobile appliances requiring lower supply voltages
- Smartphones and mobile phone handsets
- Digital still cameras
- Portable media players
Procurement Notes
Verify the specific ordering suffix to confirm the package type and output behavior. Ensure the component matches the required nominal output voltage and that the high-ohmic disabled state aligns with system design requirements. Confirm RoHS compliance and lead-free status before integration.
Selection Notes
Select this component for designs prioritizing miniaturization in portable electronics. The WLCSP4 package offers significant space savings compared to traditional packages. Consider the high-ohmic output characteristic if isolation is required during shutdown, distinguishing it from pull-down variants.
Part Context
This part belongs to the LD6836 series of ultra-low dropout regulators manufactured by NXP Semiconductors. The series includes various output voltages and package options, including SOT753 and WLCSP formats. The CX4 designation specifically identifies the wafer-level chip-scale package variant designed for compact applications.
Replacement Considerations
LD6836CX4/12P: Identical electrical specifications but features a pull-down transistor for auto-discharge instead of a high-ohmic state.
