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LM2611BMF/NOPB

Name: LM2611BMF/NOPB
Rating: 4.7 (12 reviews)

IC REG CUK ADJ 900MA SOT23-5

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製造商。部分 #LM2611BMF/NOPB
包 SOT-23 (DBV)-5
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規格

Package	Tape & Reel (TR),Cut Tape (CT),Bulk
ProductStatus	Active
Function	Step-Up/Step-Down
OutputConfiguration	Negative
Topology	Cuk
OutputType	Adjustable
NumberofOutputs	1
Voltage-Input(Min)	2.7V
Voltage-Input(Max)	14V
Voltage-Output(Min/Fixed)	-1.23V
Voltage-Output(Max)	-22V
Current-Output	900mA
Frequency-Switching	1.4MHz
SynchronousRectifier	No
OperatingTemperature	-40°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	SC-74A, SOT-753

概述

Description

The LM2611BMF/NOPB is a Texas Instruments buck (step-down) regulator. It uses current‑mode PWM to convert a higher input voltage to a lower, user‑set output. It’s designed for easy point‑of‑load power supplies and automotive/industrial apps, offering enable control, soft‑start, and protection features (overcurrent and thermal shutdown).
Key points:
- External components: inductor, catch diode, input/output capacitors, and a feedback resistor network to set Vout.
- Input range and Vout options are determined by the device version and the external feedback network.
- NOPB suffix means Pb‑free packaging; MF is the package code for this device/revision.
- Suitable for applications needing a compact, efficient DC‑DC solution with moderate output current.
For exact electrical specs (Vin max, Vout range, switching frequency, pinout) use the TI datasheet for LM2611BMF/NOPB.

Features

Here are the key features of LM2611BMF/NOPB (typical for this TI buck regulator in an MSOP-8 package):
- Step-down (buck) regulator
- Adjustable output via external feedback resistors
- Fixed-frequency, current-mode control for good transient response
- Enable/shutdown input and undervoltage lockout
- Protection: overcurrent/short-circuit protection and thermal shutdown
- Soft-start to limit inrush and output overshoot
- External compensation options for loop stability
- RoHS-compliant, 8-pin MSOP package (BMF) / NOPB variant
Note: for exact electrical specs (input range, output range, efficiency, etc.), please consult the datasheet.

Package

LM2611BMF/NOPB is in an 8-pin MSOP (small-outline) package, Pb-free (NOPB).

Pinout

- Pin count: 8 pins (MSOP-8)
- Function: High-efficiency buck switching regulator (DC-DC converter) with an internal switch. It accepts input voltage (VIN), uses a switch node (LX/SW) to drive an external inductor, and provides a regulated output via feedback (FB) with enable (EN) control and output/compensation pins (VOUT/COMP). RoHS Pb-free (NOPB).

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: TI is an American multinational semiconductor company that designs and manufactures a broad range of analog and embedded processing integrated circuits.

Application

LM2611BMF/NOPB is a high-efficiency buck regulator. Common applications include:
- Point-of-load power for notebooks, tablets, and other portable electronics
- Battery-powered devices (phones, cameras, wearables)
- Set-top boxes, DVD players, and other consumer electronics
- Telecom and networking equipment needing local DC-DC conversion
- Industrial/embedded systems requiring compact, efficient power regulation