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Product Detailed Parameters
- Description：IC REG BUCK BOOST PROG 220MA 8SO
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive
- Topology：Boost, Buck-Boost
- Output Type：Programmable
- Number of Outputs：1
- Voltage - Input (Min)：1.8V
- Voltage - Input (Max)：10V
- Voltage - Output (Min/Fixed)：3.3V, 5V
- Voltage - Output (Max)：-
- Current - Output：220mA
- Frequency - Switching：155kHz
- Synchronous Rectifier：No
- Operating Temperature：0°C ~ 70°C (TA)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SO
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Overview
The LT1300CS8#TRPBF is a micropower step-up DC/DC converter manufactured by Analog Devices Inc. It utilizes Burst Mode operation to achieve high efficiency in small, low-voltage battery-operated systems. The device accepts an input voltage range of 1.8V to 10V and provides a regulated output of either 5V or 3.3V. It features a maximum output current of 220mA and operates with a quiescent current of only 120µA. The component is housed in an 8-lead SOIC package and supports pulse frequency modulation control.
Feature Summary
- Utilizes Burst Mode operation for high efficiency in micropower applications
- Provides fixed regulated outputs of 5V or 3.3V from low-voltage inputs
- Integrates low quiescent current consumption for extended battery life
- Supports shutdown functionality to minimize power usage
Applications
- Small battery-operated portable devices
- Low-voltage system power management
- Micropower step-up conversion circuits
- Battery-powered sensor nodes
Procurement Notes
Verify the specific suffix #TRPBF indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status through official Analog Devices documentation prior to procurement. Ensure the supplier source is authorized to guarantee component authenticity and traceability. Check current availability as supply constraints may affect lead times.
Selection Notes
Select this part when a fixed 5V or 3.3V output is required from a single-cell lithium or alkaline battery source. It is suitable for designs prioritizing minimal static current draw over adjustable output flexibility. Consider the 220mA current limit for load requirements. Compare against the LT1303 if an adjustable output voltage up to 25V is needed instead of a fixed rail.
Part Context
This component belongs to the LT1300 series of micropower switching regulators. It is functionally related to the LT1303, which offers an adjustable output version. Both share similar Burst Mode technology and low-power characteristics but differ in output configuration. The LT1300 is specifically optimized for standard 3.3V and 5V logic levels.
Replacement Considerations
The LT1303CS8#TRPBF serves as a functional alternative if an adjustable output voltage is acceptable. Verify pin compatibility and thermal performance when substituting. Ensure the replacement meets the same input voltage and current requirements.
