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Product Detailed Parameters
- Description：IC REG PUSH-PULL ADJ 1A 16SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- Function：Step-Up/Step-Down
- Output Configuration：Positive or Negative, Isolation Capable
- Topology：Push-Pull
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.7V
- Voltage - Input (Max)：23V
- Voltage - Output (Min/Fixed)：1.25V
- Voltage - Output (Max)：30V (Switch)
- Current - Output：1A (Switch)
- Frequency - Switching：20kHz ~ 250kHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 100°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：16-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：16-SO
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Overview
The LT1533IS#PBF is an ultralow noise, high-performance switching regulator manufactured by Analog Devices Inc. It operates within a wide input voltage range of 2.7 V to 23 V and delivers up to 1 A of output current through a single adjustable output channel. The device utilizes a push-pull topology and supports switching frequencies between 20 kHz and 250 kHz. Designed for surface-mount installation in SOIC-16 packages, it functions reliably across temperatures from -40°C to +100°C with low quiescent current consumption.
Feature Summary
- Ultralow noise architecture designed for sensitive analog circuitry
- Adjustable output voltage capability for flexible power rail generation
- Integrated shutdown control for enhanced power management efficiency
Applications
- Portable battery-powered equipment requiring clean power rails
- Industrial instrumentation systems needing low-noise regulation
- Communication devices utilizing switch-mode power conversion
Procurement Notes
Verify the specific suffix #PBF indicates lead-free compliance when sourcing. Confirm package integrity upon receipt as the component uses tube packaging. Ensure compatibility with your design's thermal requirements given the SOIC-16 form factor. Cross-reference official datasheets for any recent manufacturing changes or pinout updates before finalizing procurement orders.
Selection Notes
Select this component when ultralow noise performance is critical alongside moderate current delivery. The wide input voltage range accommodates various battery chemistries. Consider the push-pull topology requirements for external transformer selection. Evaluate thermal dissipation capabilities within the SOIC-16 package for your specific ambient conditions.
Part Context
This part belongs to the LT1533 series of switching regulators from Analog Devices. It is categorized under Power Management ICs (PMIC) specifically as a Switching Voltage Regulator. The IS variant denotes industrial temperature range operation and SOIC-16 packaging, distinguishing it from other package options within the same functional family.
Replacement Considerations
Consult official Analog Devices documentation for verified cross-reference part numbers. Ensure any substitute maintains equivalent ultralow noise specifications and push-pull topology compatibility.
