The LD56100DPU18R from STMicroelectronics is a high-performance, fixed-output linear voltage regulator designed to deliver a stable 1.8V output at up to 1A of continuous current. With a wide input voltage range of up to 5.5V, this regulator is optimized for low-dropout operation, featuring a maximum dropout voltage of 0.285V @ 1A, ensuring efficient power conversion even under high load conditions. Packaged in an 8-pin DFN format and available in Tape & Reel (TR), it is ideal for space-constrained, high-density PCB designs. The device complies with ROHS3 and REACH environmental standards, making it suitable for modern eco-conscious applications.
LD56100DPU18R Features
High Efficiency: Low dropout voltage (0.285V @ 1A) minimizes power dissipation, enhancing thermal performance.
Low Quiescent Current: 155 µA typical Iq extends battery life in portable applications.
Robust Protection: Integrated safeguards include over-current, over-temperature, and short-circuit protection, ensuring reliable operation under fault conditions.
Excellent Noise Rejection: PSRR of 70dB to 55dB (1kHz–100kHz) makes it ideal for noise-sensitive analog and digital circuits.
Enable Control: Features an enable pin for power management, allowing dynamic shutdown to reduce standby power consumption.
Compact & Reliable: MSL 1 (Unlimited) moisture sensitivity ensures long shelf life and ease of handling.
LD56100DPU18R Applications
Portable Electronics: Smartphones, tablets, and wearables benefit from its low Iq and compact footprint.
IoT Devices: Ideal for sensors and wireless modules requiring stable, low-noise power.
Embedded Systems: Suitable for microcontrollers, FPGAs, and memory circuits needing precise 1.8V rails.
Industrial Controls: Robust protection features make it reliable for harsh environments.
Automotive Accessories: Compliant with ECCN EAR99, suitable for non-critical automotive subsystems.
Conclusion of LD56100DPU18R
The LD56100DPU18R stands out as a versatile, high-efficiency linear regulator, combining low dropout, excellent PSRR, and robust protection in a compact package. Its 1A output capability, enable control, and ultra-low Iq make it a superior choice for power-sensitive and space-constrained designs. Whether for consumer electronics, IoT, or industrial systems, this regulator delivers reliable performance with minimal external components, reducing both design complexity and BOM cost.
Tech Specifications
Unit Weight
Number of Regulators
PPAP
Product Status
Automotive
Special Features
RoHS
Supplier Package
Line Regulation
Package / Case
Maximum Input Voltage (V)
REACH Status
Maximum Dropout Voltage @ Current (V)
EU RoHS
Dropout Voltage
Moisture Sensitivity Level (MSL)
Operating Temperature
Accuracy (%)
PSRR
Output Current
ECCN
Maximum Output Current (A)
Mounting Type
Standard Package Name
Pin Count
Mounting
Control Features
Lead Shape
Quiescent Current
Output Voltage (V)
HTSUS
Package
Load Regulation
USHTS
Output Voltage
Maximum Quiescent Current (mA)
Minimum Input Voltage (V)
PCB changed
Output Type
Voltage - Input (Max)
HTS
Current - Output
ECCN (US)
Output Configuration
Input Voltage - Max
Supplier Device Package
Minimum Operating Temperature (°C)
Maximum Operating Temperature (°C)
Input Voltage - Min
Package Height
Mfr
Voltage - Output (Min/Fixed)
Polarity
Maximum Operating Temperature
Voltage Dropout (Max)
RoHS Status
Mounting Style
Current - Quiescent (Iq)
Junction to Ambient
Package Length
Voltage - Output (Max)
Minimum Operating Temperature
Number of Outputs
Series
Type
Protection Features
Part Status
Package Width
Base Product Number
Operating Temperature (°C) (max)
Operating Temperature (°C) (min)
Grade
ECCN (EU)
RoHs compliant
LD56100DPU18R Documents
Download datasheets and manufacturer documentation for LD56100DPU18R
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Shipping Rate
Shipments are made once a day around 5pm, excluding Sundays. Once shipped, the estimated delivery time is usually 5-7 business days, depending on the courier you choose.
Delivery Methods
Provide DHL, FedEx, UPS, EMS, SF Express and Registered Airmail International Delivery Service