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Product Detailed Parameters
- Description：IC REG BOOST CUK ADJ 250MA 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tape & Reel (TR)
- Function：Step-Up, Step-Up/Step-Down
- Output Configuration：Positive or Negative
- Topology：Boost, Cuk, SEPIC
- Output Type：Adjustable
- Number of Outputs：1
- Voltage - Input (Min)：2.55V
- Voltage - Input (Max)：40V
- Voltage - Output (Min/Fixed)：0.003V, 1.204V
- Voltage - Output (Max)：65V (Switch)
- Current - Output：250mA (Switch)
- Frequency - Switching：200kHz ~ 1.5MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-TSSOP, 8-MSOP (0.118", 3.00mm Width) Exposed Pad
- Supplier Device Package：8-MSOP-EP
- Grade：-
- Qualification：-
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Overview
The LT8570HMS8E-1#TRPBF is a PWM DC/DC converter manufactured by Analog Devices Inc., housed in an MSOP-8 package. It supports Boost, SEPIC, and Inverting topologies with a 65V switch rating. The input voltage range spans from 2.55V to 40V, while the adjustable output voltage ranges from 1.204V to 65V. The device delivers an output current of 200mA with a switching frequency between 200kHz and 1.5MHz. Operating temperature extends from -40°C to +125°C, featuring a static current of 1.2mA.
Feature Summary
- Configurable as a boost, SEPIC, or inverting converter
- Adjustable oscillator frequency via external resistor
- Synchronization capability for external clock integration
Applications
- Boost converter applications generating higher voltages from lower inputs
- Inverting converter designs requiring negative output rails
- SEPIC configurations for wide input voltage variations
Procurement Notes
Verify the specific suffix #TRPBF indicates tape and reel packaging when sourcing components. Confirm the manufacturer part number matches Analog Devices Inc. specifications exactly. Ensure the component meets RoHS compliance requirements for your assembly process. Cross-reference the datasheet revision to ensure compatibility with design constraints.
Selection Notes
Select this component when a versatile topology supporting boost, SEPIC, or inverting modes is required within a compact MSOP-8 footprint. Consider the 65V switch rating for applications exceeding standard low-voltage limits. Evaluate the 200mA output current capability against load requirements. Verify that the operating temperature range suits the environmental conditions of the target application.
Part Context
This part belongs to the LT8570 family of PWM DC/DC converters from Analog Devices. The family includes variants with different packages and temperature ratings. The LT8570 series is designed for flexible power conversion needs, offering multiple topology options in a single IC architecture. It serves as a core component for efficient DC/DC conversion in various electronic systems.
Replacement Considerations
LT8570IMS8E-1#TRPBF is a confirmed substitute within the same family, sharing identical electrical characteristics and pinout configuration. Both parts utilize the MSOP-8 package and support the same Boost, SEPIC, and Inverting topologies. Verify that the industrial temperature grade of the replacement aligns with system requirements.
