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Product Detailed Parameters
- Description：IC REG LINEAR POS ADJ 1A 8-ESOP
- Series：-
- Mfr：Diotec Semiconductor
- Package：Tape & Reel (TR),Cut Tape (CT)
- Output Configuration：Positive
- Output Type：Adjustable
- Number of Regulators：1
- Voltage - Input (Max)：50V
- Voltage - Output (Min/Fixed)：1.3V
- Voltage - Output (Max)：15V
- Voltage Dropout (Max)：1.5V @ 2A
- Current - Output：1A
- Current - Quiescent (Iq)：-
- Current - Supply (Max)：-
- PSRR：65dB (1kHz)
- Control Features：Enable
- Protection Features：Over Current, Over Temperature, Short Circuit
- Operating Temperature：-40°C ~ 85°C
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-ESOP
- Grade：-
- Qualification：-
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Overview
The LDI55-ADEEN is a linear regulator manufactured by Diotec Semiconductor, housed in an SOT-23-5 package. It features a wide input voltage range up to 18V and provides a fixed output of 3.3V at a maximum current of 500mA. The device includes an enable pin for power management control and operates within a junction temperature range of -40°C to +125°C.
Feature Summary
- Integrated enable pin for precise power sequencing and energy saving
- Wide input voltage capability suitable for varying supply conditions
- Fixed output voltage configuration ensuring stable power delivery
Applications
- Portable waterproof speakers
- Battery-powered consumer electronics
- USB port protection circuits
Procurement Notes
Verify the specific datasheet version for the LDI55-ADEEN to confirm exact electrical tolerances and thermal characteristics. Ensure compatibility with the target PCB footprint for the SOT-23-5 package. Cross-reference with official Diotec documentation for any recent product change notices affecting this component.
Selection Notes
Select this component when a low-dropout regulator with an enable feature is required for battery-operated devices. The wide input range accommodates single-cell lithium batteries or higher voltage rails. Verify that the 500mA output current meets the load requirements while maintaining acceptable thermal performance in the chosen enclosure.
Part Context
This part belongs to Diotec's LDI55 series of linear regulators designed for portable applications. The series emphasizes low quiescent current and compact packaging to support space-constrained designs in modern consumer electronics and IoT devices.
Replacement Considerations
Check for direct substitutes within the LDI55 family with different output voltages if system requirements change. Verify pin-out compatibility before replacing with other manufacturers' SOT-23-5 LDOs offering similar current and voltage ratings.
