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Product Detailed Parameters
- Description：IC REG LINEAR 1.5V 150MA 5-TSOP
- 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)：1.5V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：0.25V @ 150mA (Typ)
- 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：SC-74A, SOT-753
- Supplier Device Package：5-TSOP
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Overview
The LD6815TD/15H,125 is a low dropout regulator (LDO) from the NXP LD6815 series, featuring a fixed nominal output voltage of 1.5 V and a maximum output current of 150 mA. It operates with an input voltage range of 2.3 V to 5.5 V and delivers a typical power supply rejection ratio (PSRR) of 75 dB at 1 kHz. The device exhibits a typical dropout voltage of 250 mV at full load and maintains an RMS output noise of 40 µV within the 10 Hz to 100 kHz bandwidth. Designed for high efficiency, it consumes only 0.1 µA in shutdown mode and includes overcurrent protection alongside high-level ESD protection rated at 6 kV HBM.
Feature Summary
- High-ohmic state output configuration in disabled mode
- Ultra-high power supply rejection ratio for noise suppression
- Integrated overcurrent protection for circuit safety
- Low quiescent current consumption during shutdown
Applications
- Smartphones
- Tablet PCs
- Mobile handsets
- Portable media players
Procurement Notes
Verify the specific suffix 'H' confirms the high-ohmic output state rather than the pull-down variant. Confirm the package type matches the SOT753 (TSOP5) specification. Ensure the operating environment stays within the -40 °C to +85 °C ambient temperature range. Check that external capacitors meet the minimum 0.7 µF requirement for stability. Validate that the input voltage does not exceed the 5.5 V absolute maximum rating.
Selection Notes
Select this component when a stable 1.5 V rail is required for portable electronics. The high PSRR makes it suitable for noise-sensitive analog sections. The small SOT753 package aids in space-constrained designs. Consider the auto-discharge feature if rapid output discharge is needed, though this part uses a high-ohmic state. Ensure the application load current remains below the 150 mA limit.
Part Context
This device belongs to the NXP LD6815 series of low dropout regulators. The series offers various fixed output voltages ranging from 1.2 V to 3.6 V. The 'H' suffix denotes a high-ohmic output state upon disable, distinguishing it from the 'P' suffix devices which feature an auto-discharge function. All variants share the same monolithic silicon technology and TSOP5 packaging.
Replacement Considerations
LD6815TD/15P,125
FAQ
What is the output state of the LD6815TD/15H when disabled?
The LD6815TD/15H enters a high-ohmic state at the output pin when set to disabled mode.
What is the minimum recommended external capacitance for stability?
The minimum value of capacitance for stability and correct operation is 0.7 µF.
