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Product Detailed Parameters
- Description：IC REG LIN 1.6V 200MA 4-STSTAMP
- Series：-
- Mfr：STMicroelectronics
- Package：Tape & Reel (TR)
- Output Configuration：Positive
- Output Type：Fixed
- Number of Regulators：1
- Voltage - Input (Max)：5.5V
- Voltage - Output (Min/Fixed)：1.6V
- Voltage - Output (Max)：-
- Voltage Dropout (Max)：-
- Current - Output：200mA
- Current - Quiescent (Iq)：40 µA
- Current - Supply (Max)：100 µA
- PSRR：80dB ~ 55dB (1kHz ~ 100kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 125°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：4-XFQFN
- Supplier Device Package：4-STSTAMP (0.47x0.47)
- Grade：-
- Qualification：-
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Overview
The LDBL20-16R is a linear voltage regulator from the LDBL20 series, manufactured by STMicroelectronics. It provides a maximum output current of 200 mA with an input voltage range spanning from 1.5 V to 5.5 V. The device features very low quiescent current and high accuracy regulation. It utilizes a typical dropout voltage of 200 mV at full load. The component is housed in an XFQFN-4 package, corresponding to a 0.47 x 0.47 mm ST STAMP chip-scale form factor, designed for surface mount technology applications.
Feature Summary
- Ultra-tiny chip-scale packaging for space-constrained designs
- High accuracy voltage regulation capability
- Very low quiescent current consumption
Applications
- Portable electronic devices requiring minimal footprint
- Battery-powered systems needing low standby current
- Embedded circuits utilizing small form-factor regulators
Procurement Notes
Verify the specific suffix '16R' against official STMicroelectronics documentation to confirm pinout and electrical tolerances. Ensure compatibility with the XFQFN-4 package dimensions during PCB layout. Confirm RoHS compliance status through the manufacturer's datasheet rather than distributor summaries. Cross-reference the part number with the latest revision history to avoid obsolete variants.
Selection Notes
Select this component when a compact solution is required alongside moderate current demands up to 200 mA. The wide input voltage range supports various supply rails between 1.5 V and 5.5 V. Consider the thermal performance inherent to the small chip-scale package under continuous load conditions. Validate that the low quiescent current meets system power budget requirements for battery-operated applications.
Part Context
This part belongs to the LDBL20 family of ultra-tiny low-dropout regulators introduced by STMicroelectronics. The series emphasizes miniaturization through innovative ST STAMP packaging technology. These regulators are positioned for applications where board space is limited but stable voltage regulation is critical. The family targets modern portable electronics and IoT nodes.
Replacement Considerations
Consult STMicroelectronics official substitution guides for direct equivalents within the LDBL20 series. Verify package compatibility if considering alternative manufacturers. Ensure input/output voltage ranges and current capabilities match the original design specifications before swapping components.
