LP2902PWR

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LP2902PWR

IC OPAMP GP 4 CIRCUIT 14TSSOP

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規格

Part Status Active
Base Product Number LP2902
Amplifier Type Standard (General Purpose)
Number of Circuits 4
Slew Rate 0.05V/µs
Gain Bandwidth Product 100 kHz
Current - Input Bias 2 nA
Voltage - Input Offset 2 mV
Current - Supply 85µA (x4 Channels)
Current - Output / Channel 10 mA
Voltage - Supply Span (Min) 3 V
Voltage - Supply Span (Max) 32 V
Operating Temperature -40°C ~ 85°C
Mounting Type Surface Mount
Package 14-TSSOP (0.173", 4.40mm Width)
Supplier Device Package 14-TSSOP
Packaging Cut Tape (CT), Tape & Reel (TR)

概述

Description

LP2902PWR is a low-dropout (LDO) voltage regulator (part of the LP2902 family). It provides a stable, regulated output from a higher input supply, suitable for powering microcontrollers, sensors, and other analog/digital circuitry in portable or battery-powered designs. Key ideas:
- Function: passes through a regulated voltage with low dropout near the output.
- Features: protection (overcurrent/thermal shutdown), enable control on some variants, and low quiescent current.
- Variants: fixed output voltages and, in some cases, adjustable options; exact specs depend on the specific LP2902PWR version.
- Usage: choose the correct voltage variant, add recommended input/output capacitors (often low-ESR ceramics), and ensure thermal and current limits are respected.
For precise electrical characteristics (input range, max output current, dropout, tolerance) and pinout/package options, consult the LP2902PWR datasheet from the manufacturer.

Features

LP2902PWR is a PowerPAD LDO regulator. Key features typically include:
- Low-dropout, 3-terminal regulator
- Output current up to ≈200 mA (depends on variant)
- Very low quiescent current (microamp to tens of microamps)
- Fixed output options and/or adjustable variant
- Good line and load regulation; tight output accuracy
- Thermal shutdown and output short-circuit protection
- Stable with output capacitors (low ESR) for proper stability
- Wide input range (roughly up to 5.5 V)
- PowerPAD package for excellent thermal performance and PCB layout
Note: exact voltage options, current limit, and quiescent current vary by specific LP2902PWR version.

Package

PowerPAD (exposed-pad) surface-mount package from TI. The PWR suffix denotes the PowerPAD package type.

Pinout

- Pin count: 3 pins
- Function: Low‑dropout regulator (LDO). Provides a regulated output from an input supply with a common ground. Pin roles (typical): Vin, GND, Vout (exact pin order depends on the specific package; consult the datasheet for your package variant).

Manufacturer

- Manufacturer: Texas Instruments (TI).
- What kind of company: An American multinational semiconductor company that designs and manufactures analog and embedded processing ICs.

Application

- Battery-powered portable electronics and wearables
- IoT sensors and wireless modules
- Microcontroller/DSP power rails
- Analog/digital mixed-signal circuits needing low noise
- Automotive and industrial instrumentation
- Compact designs with low quiescent current requirements

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