LTC3219EUD#TRPBF

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LTC3219EUD#TRPBF

IC LED DRVR RGLTR I2C 28MA 20QFN

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Especificaciones

Package Tape & Reel (TR),Cut Tape (CT)
ProductStatus Active
Type DC DC Regulator
Topology Switched Capacitor (Charge Pump)
InternalSwitch(s) Yes
NumberofOutputs 9
Voltage-Supply(Min) 2.9V
Voltage-Supply(Max) 5.5V
Current-Output/Channel 28mA
Frequency 850kHz
Dimming I²C
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 20-WFQFN Exposed Pad

Descripción general

Description

LTC3219EUD#TRPBF is a Linear Technology (now Analog Devices) switching regulator IC. It serves as a high‑efficiency DC‑DC converter (buck/buck‑boost style) to regulate an input voltage to a stable output for load devices. The device integrates power MOSFETs and control circuitry, with features typical of switching regulators such as an adjustable output via a feedback network, enable control, soft‑start, and protection (overcurrent/thermal/UVLO).
suffix meaning:
- EUD = package code for the part in its specific physical package.
- TRPBF = Tape & Reel packaging, Pb‑free (lead‑free).
For exact specifications (input voltage range, adjustable output range, maximum output current, switching frequency) and application circuits, consult the LTC3219 datasheet and product page on Analog Devices’ website. If you tell me what you’re designing for (vin, desired vout, current, layout), I can summarize the key design notes.

Features

LTC3219EUD#TRPBF features (concise):
- Dual synchronous buck regulators with integrated high/low-side FETs
- Wide input voltage range suitable for automotive/battery up to practical limits
- Independent, adjustable output voltages via external resistor dividers
- Enable inputs and Power-Good signals per channel
- Current-mode control with fast transient response
- Soft-start to limit inrush; UVLO and comprehensive protection
- Overcurrent/short-circuit protection and thermal shutdown
- High efficiency across operating conditions
- Small 16-pin DFN package (LTC3219EUD) with TRPBF tape-and-reel shipping
Note: For exact voltage ranges, current limits, switching frequency, and pinout, refer to the datasheet for the EUD variant.

Package

Pb-free QFN package (QFN-32) with Tape & Reel (TRPBF).

Pinout

- Pin count: 20 pins
- Function: Dual buck switching regulator controller (drives external MOSFETs) used for step-down DC-DC conversion.

Manufacturer

Manufacturer: Analog Devices, Inc. (ADI). It is a multinational American semiconductor company that designs and manufactures analog, mixed-signal, and digital signal processing integrated circuits. (LTC parts like LTC3219 are legacy lines now under ADI after acquiring Linear Technology.)

Application

Applications: dual-output, high-efficiency synchronous buck regulators for portable/battery-powered systems; point-of-load rails for FPGAs, CPUs, and DSPs; USB power adapters and battery-charging circuits; automotive/industrial electronics needing compact dual rails; telecom/network equipment; portable instrumentation and robotics.

Envío

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Referencia de tarifas de envío (DHL/FedEx):

DHL: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 2-5 días hábiles.

FedEx: El costo de envío oscila entre $25-$40 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

UPS: El costo de envío oscila entre $25-$45 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

TNT: El costo de envío oscila entre $25-$65 (0.5kg), con un tiempo de entrega estimado de 3-7 días hábiles.

EMS: El costo de envío oscila entre $30-$50 (0.5kg), con un plazo de entrega estimado de 7-15 días hábiles.

Correo aéreo registrado: El costo de envío es de $2-$4 (0.1kg), con un tiempo de entrega estimado de 5-20 días hábiles.

Pagos

Payment Methods

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Actualmente, solo aceptamos los siguientes métodos de pago:

1. de PayPal

2. Tarjeta de crédito/débito

3. Transferencia bancaria

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