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LT3970HMS#TRPBF

Name: LT3970HMS#TRPBF
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 535MA 10MSOP

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Mfr。パート #LT3970HMS#TRPBF
パッケージ MSOP10
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仕様

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
Function	Step-Down
OutputConfiguration	Positive
Topology	Buck
OutputType	Adjustable
NumberofOutputs	1
Voltage-Input(Min)	4.2V
Voltage-Input(Max)	40V
Voltage-Output(Min/Fixed)	1.21V
Voltage-Output(Max)	25V
Current-Output	350mA
Frequency-Switching	200kHz ~ 2.25MHz
SynchronousRectifier	No
OperatingTemperature	-40°C ~ 150°C (TJ)
MountingType	Surface Mount
Package/Case	10-TFSOP, 10-MSOP (0.118, 3.00mm Width)

概要

Description

LT3970HMS#TRPBF is Linear Technology/Analog Devices’ Pb-free, tape-and-reel variant of the LT3970 DC-DC converter. It is a high-efficiency switching regulator (buck-type) with an integrated switch/control circuit used to derive a lower, regulated output rail from a higher input supply. Typical use cases include automotive, industrial, and portable power applications.
Key points:
- Integrated switching regulator architecture (with external components needed for a complete converter)
- Adjustable output via external resistor networks
- Protections such as enable/disable control, overcurrent/short-circuit protection, and thermal shutdown
- Status indicators (e.g., Power Good) in many configurations
- HMS = package type; TRPBF = Pb-free Tape-and-Reel packaging
For exact electrical specifications, pinout, switching frequency, programming options, soft-start behavior, and recommended application circuits, refer to the LT3970 datasheet and the product page on Analog Devices’ website.

Features

Here are the core features of LT3970HMS#TRPBF (from the datasheet):
- High-voltage buck controller suitable for automotive/industrial applications
- Current-mode PWM control with cycle-by-cycle current limit
- Supports synchronous buck operation (drives external N-channel MOSFETs)
- Programmable switching frequency (via external resistor)
- Output regulation via external feedback resistors (adjustable output voltage)
- Soft-start to minimize inrush and output overshoot
- Protections: undervoltage and overvoltage protection, overcurrent/short-circuit protection, thermal shutdown
- Enable input and Power-Good/status indication
- Requires external passives and MOSFETs (controller-based design)
- Packaged in LT HMS package with Pb-free TRPBF tape-and-reel
Note: exact electrical specs (ranges, frequencies, limits) are in the datasheet.

Package

Package type: HMS, i.e., HSMSOP/M-SOP style 16‑lead package. Pb‑free, Tape‑and‑Reel (TRPBF).

Pinout

I don’t have live web access to verify exact package details for LT3970HMS#TRPBF. To give an accurate pin count and per‑pin functions I need to check the manufacturer’s datasheet. Would you like me to look up and summarize the datasheet pinout (pin count and each pin’s function)?

Manufacturer

Manufacturer: Linear Technology Corporation (LT), now part of Analog Devices, Inc.
What kind of company: an American semiconductor company that designs and manufactures high-performance analog integrated circuits—especially power-management, data-conversion, and signal-conditioning ICs (i.e., analog/mixed-signal semiconductor solutions).

Application

Typical applications for LT3970HMS#TRPBF include:
- Multiphase synchronous buck regulators (VRMs) for CPUs/GPUs/FPGA/ASIC power rails
- Data-center, server, and telecom power supplies
- Automotive 12V-to-lower rails power architectures
- Industrial and robotics motor-control power stages
- Point-of-load regulators in embedded systems
These cover high-current, high-efficiency DC-DC conversion needs across computing, networking, automotive, and industrial domains.