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LD39150DT33-R

Name: LD39150DT33-R
Rating: 4.7 (12 reviews)

IC REG LINEAR 3.3V 1.5A DPAK

製造商
製造商。部分 #LD39150DT33-R
包 TO-252-3,DPAK(2Leads+Tab),SC-63
資料表 LD39150DT33-R DataSheet
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規格

Package	Tape & Reel (TR),Cut Tape (CT)
ProductStatus	Active
OutputConfiguration	Positive
OutputType	Fixed
NumberofRegulators	1
Voltage-Input(Max)	6V
Voltage-Output(Min/Fixed)	3.3V
VoltageDropout(Max)	0.4V @ 1.5A
Current-Output	1.5A
Current-Quiescent(Iq)	2.5 mA
PSRR	65dB ~ 55dB (120Hz ~ 1kHz)
ProtectionFeatures	Over Current, Over Temperature
OperatingTemperature	-40°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	TO-252-3, DPak (2 Leads + Tab), SC-63

概述

Description

LD39150DT33-R is a fixed-output low-dropout (LDO) linear regulator that provides a stable 3.3V rail from a higher input voltage. It is designed for clean, simple regulation where a 3.3V supply is needed for logic, peripherals, or analog circuits, with features common to LDOs such as good line/load regulation and low noise. The DT33-R suffix indicates the 3.3V fixed-output variant in a specific package and packaging option (e.g., tape-and-reel). Typical protections include current limiting and thermal shutdown to safeguard both the regulator and the system. Applications include microcontroller boards, sensors, and other products requiring a reliable 3.3V supply from a higher input.
Note: For exact specs (input range, dropout voltage, quiescent current, max output current, enable options, and pinout/package), consult the manufacturer’s datasheet.

Package

DFN-8 package, typically 3.0 × 3.0 mm (8-pin DFN).

Pinout

- Pin count: 8 pins (SOP-8/DS8 package).
- Function: Fixed-output buck (step-down) DC-DC regulator with 3.3V output. It integrates the switching transistor and control circuitry; pins include VIN, GND, SW (switch node), FB (feedback), EN (enable), and additional pins that may be NC depending on pack.

Manufacturer

Manufacturer: Renesas Electronics Corporation (through its Lapis Semiconductor brand).
What kind of company: A Japanese multinational semiconductor company that designs and manufactures microcontrollers, analog and power ICs, and other semiconductor devices.

Application

LD39150DT33-R appears to be a power‑management IC (LED driver/DC‑DC regulator). Without the exact datasheet I can’t be precise. Typical LD39xx family applications include LED lighting/backlighting, automotive lighting and power management, portable/battery-powered electronics, and step-down regulation in consumer/industrial equipment.

Equivalent

To give reliable equivalents I need specs or a datasheet. LD39150DT33-R is a regulator/switcher; cross-reference depends on input voltage range, output current, switcher type, frequency, and package/pinout. Please share the datasheet or key parameters (Vin range, Vout=3.3V, Iout, switching frequency, footprint). Then I can propose pin-for-pin or functionally similar parts from TI, Analog Devices, ON Semiconductor, NXP, etc.