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Product Detailed Parameters
- Description：IC REG BOOST CUK ADJ 750MA 8MSOP
- Series：-
- Mfr：Analog Devices Inc.
- Package：Tube
- 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：750mA (Switch)
- Frequency - Switching：200kHz ~ 1.5MHz
- Synchronous Rectifier：No
- Operating Temperature：-40°C ~ 125°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 LT8570EMS8E#PBF is a PWM DC/DC converter manufactured by Analog Devices Inc., housed in an MSOP-8 surface-mount package. It integrates a 0.5A, 65V power switch and supports Boost, SEPIC, and Inverting topologies. The device operates with an input voltage range of 2.55V to 40V and delivers up to 200mA output current. It features a fixed switching frequency of 1.5MHz and a quiescent current of 1.2mA. The unit functions within a temperature range of -40°C to +125°C.
Feature Summary
- Integrates a high-voltage 65V power switch for robust operation
- Configurable as Boost, SEPIC, or Inverting converter
- Fixed 1.5MHz switching frequency for compact design
Applications
- Boost converter applications generating 12V from 5V inputs
- Inverting converters producing negative voltages from positive sources
- SEPIC configurations for wide input voltage ranges
Procurement Notes
Verify the specific suffix against official Analog Devices documentation to confirm pinout and electrical characteristics. Ensure the MSOP-8 package matches your PCB footprint requirements. Cross-reference the datasheet revision date to validate thermal performance data and absolute maximum ratings before finalizing the design.
Selection Notes
Select this component when a single-switch solution for non-isolated conversion is required. It is suitable for designs needing flexibility between boost, SEPIC, or inverting modes without external controller complexity. Consider the 1.5MHz frequency for balancing efficiency and passive component size.
Part Context
This part belongs to the LT8570 family of PWM DC/DC converters. The EMS8E designation indicates the MSOP-8 package and extended industrial temperature range. The #PBF suffix denotes lead-free compliance. This series is designed for space-constrained portable and industrial electronics requiring versatile DC/DC conversion capabilities.
Replacement Considerations
LT8570EDD-1#PBF: Different package (DFN) and switch rating (0.375A). LT8570IMS8E-1: Same package but lower switch rating (0.25A). Verify switch current capacity and package compatibility before substitution.
