LP2950CDTX-3.3/NOPB

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LP2950CDTX-3.3/NOPB

IC REG LINEAR 3.3V 100MA TO252-3

  • Fabricante
  • Mfr. Parte #LP2950CDTX-3.3/NOPB
  • Paquete TO-252 (NDP)-3
  • Hoja de datos
  • En stock7228

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Especificaciones

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
OutputConfiguration Positive
OutputType Fixed
NumberofRegulators 1
Voltage-Input(Max) 30V
Voltage-Output(Min/Fixed) 3.3V
VoltageDropout(Max) 0.6V @ 100mA
Current-Output 100mA
Current-Quiescent(Iq) 120 µA
Current-Supply(Max) 14 mA
ProtectionFeatures Over Current, Over Temperature, Short Circuit
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount
Package/Case TO-252-3, DPak (2 Leads + Tab), SC-63

Descripción general

Description

The LP2950CDTX-3.3/NOPB is a fixed 3.3 V low‑dropout regulator from National Semiconductor/TI. It provides a simple, three-terminal LDO supply for battery or portable electronics, with:
- Output: 3.3 V fixed
- Dropout: around 0.5 V at 100 mA (low dropout)
- Quiescent current: very low (microamps to tens of microamps, depending on mode)
- Protection: built‑in current limit and thermal shutdown
- External caps: requires an input cap and an output cap (typical 4.7 µF or larger, tantalum or aluminum; ESR matters for stability)
- Packaging: Pb‑free (NOPB) in a surface‑mount package (CDTX denotes the package variant)
Common uses: microcontroller and analog circuitry in portable/battery-powered designs.
Notes: Pinout and exact ESR/Capacitance requirements vary by package; consult the datasheet for the CDTX package pin order and stability criteria.

Features

LP2950CDTX-3.3/NOPB Features:
- Fixed 3.3V low-dropout regulator (LDO)
- Max load current: ~100 mA
- Low dropout voltage (about 0.5 V at 100 mA)
- Low quiescent current
- Internal current limit and thermal shutdown protection
- Requires an output capacitor for stability (minimum ~1 µF; typical 4.7 µF recommended)
- Input voltage up to ~26 V
- Wide temperature range: -40°C to +125°C
- Pb-free (NOPB) and available in CDTX package
(Edited for conciseness; numbers may vary slightly by datasheet revision.)

Package

A three-pin TO-92 plastic package (through-hole) regulator.

Pinout

- Pin count: 3 pins
- Function: Fixed 3.3V low-dropout regulator (LDO) with input, ground, and output pins (Vin, GND, Vout) to provide a regulated 3.3V supply.

Manufacturer

Manufacturer: Texas Instruments (TI).
TI is an American multinational semiconductor company that designs and manufactures analog, embedded processing, and other integrated circuits. It acquired National Semiconductor, the original creator of the LP2950 family.

Application

LP2950CDTX-3.3/NOPB is a 3.3V fixed low-dropout regulator (up to about 150 mA). Applications: battery-powered portable devices needing a stable 3.3V rail; microcontrollers, sensors and peripheral analog/digital circuits; embedded systems and consumer electronics; telecom/industrial equipment power management; post-regulation from higher voltages (e.g., 5V). Requires suitable input/output capacitors for stability.

Equivalent

Common equivalents (3.3V LDOs; check pinout and current):
- LM2950-3.3 (TI/NSC)
- AMS1117-3.3 (Analog Devices/other makers)
- LT1117-3.3 (Linear Tech)
- LD1117V33 (ON Semi/others)
- MCP1700-3302E (Microchip)
Note: pinouts and max current differ; verify datasheets before substituting.

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