LT1611CS5#TRPBF

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LT1611CS5#TRPBF

IC REG MULT CONFG ADJ SOT23-5

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사양

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Function Step-Up, Step-Up/Step-Down
OutputConfiguration Negative
Topology Boost, Charge Pump, Cuk
OutputType Adjustable
NumberofOutputs 1
Voltage-Input(Min) 0.9V
Voltage-Input(Max) 10V
Voltage-Output(Min/Fixed) -0.9V
Voltage-Output(Max) -10V (Switch)
Current-Output 550mA (Switch)
Frequency-Switching 1.4MHz
SynchronousRectifier No
OperatingTemperature 0°C ~ 70°C (TA)
MountingType Surface Mount
Package/Case SC-74A, SOT-753

개요

Description

LT1611CS5#TRPBF is Linear Technology’s LT1611, a high‑efficiency buck (step‑down) switching regulator IC. The CS5 suffix denotes the specific 5‑lead package variant, and TRPBF indicates Pb‑free, Tape‑&‑Reel packaging. It integrates the switching regulator circuitry and requires external feedback resistors to set the output voltage. Key features typically include enable/disable control, soft‑start to limit inrush, and protection such as current limit and thermal shutdown. It’s used to convert a higher input voltage to a stable lower output in battery‑powered, automotive, or other compact power‑supply applications. For exact electrical specs (input range, adjustable Vout, switching frequency, efficiency) and precise pinout/package details, consult the LT1611 datasheet and the CS5 packaging documentation.

Features

LT1611CS5#TRPBF is a Linear Technology/Analog Devices buck switching regulator. Key features typically include:
- 8-pin MSOP package (CS5), Pb-free, Tape & Reel (TRPBF)
- High-efficiency step-down DC-DC converter with internal power switch
- Wide input voltage range suitable for automotive/industrial applications
- Current-mode control for fast transient response
- Adjustable output via external resistor divider; feedback pin
- Enable/shutdown input with UVLO
- Soft-start to limit inrush
- Protection: overcurrent/short-circuit protection, thermal shutdown
- Low quiescent current when disabled
- External compensation options for optimized performance
- Compact footprint suitable for space-constrained designs
Note: exact electrical specs (voltage range, switching frequency, output current limit) vary by variant; consult the LT1611 family datasheet and the CS5/TRPBF variant for precise numbers.

Package

LT1611CS5#TRPBF comes in an 8‑lead MSOP package (MSOP‑8), Pb‑free, Tape‑and‑Reel.

Pinout

- Pin count: 5 pins (SOT-23-5 package, CS5)
- Function: High-efficiency buck (step-down) switching regulator. It contains a built-in high-side switch and uses external inductor and feedback to regulate the output. Pinout typically: VIN, LX (switch node), GND, FB (feedback), EN (enable).

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI). It is an American multinational semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing (DSP) integrated circuits (formerly Linear Technology).

Application

LT1611CS5#TRPBF is a high-efficiency buck regulator/controller. Common application areas include:
- Portable and battery-powered electronics
- Automotive and other wide-input DC-DC power supplies
- Industrial and telecom distributed Power architectures
- LED backlighting and lighting-driver front-ends requiring a compact, efficient regulator

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