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ISL78220ANEZ

Name: ISL78220ANEZ
Rating: 4.7 (12 reviews)

IC REG CTRLR BOOST 44TQFP

製造商
製造商。部分 #ISL78220ANEZ
包 44-QFP
資料表
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規格

Supplier	Renesas Electronics America Inc
Package	Tray
Series	Automotive, AEC-Q100
ProductStatus	Active
OutputType	PWM Signal
Function	Step-Up
OutputConfiguration	Positive
Topology	Boost
NumberofOutputs	6
OutputPhases	6
Voltage-Supply(Vcc/Vdd)	4.75V ~ 5.25V
Frequency-Switching	75kHz ~ 1MHz
DutyCycle(Max)	91.7%
ClockSync	Yes
ControlFeatures	Enable, Frequency Control, Power Good, Soft Start
OperatingTemperature	-40°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	44-QFP

概述

Description

ISL78220AN EZ is a dual synchronous buck DC-DC converter IC from Intersil (Renesas). It contains two high‑efficiency step‑down regulators with integrated power MOSFETs, designed to generate two low‑voltage rails from a higher input voltage in compact systems (e.g., CPUs, GPUs, FPGAs, telecom, embedded). Each channel offers adjustable outputs via external feedback, plus features such as enable/shutdown, soft‑start, overcurrent protection, over‑temperature protection, and programmable switching frequency. The EZ suffix indicates RoHS‑compliant packaging. Typical use is core voltage generation and multi‑rail post‑regulation. For exact specs, pinout, and application notes, consult the official datasheet.

Features

ISL78220AN EZ features (concise):
- Dual synchronous buck regulator with integrated high- and low-side MOSFETs
- Wide input range suitable for multi-rail/automotive applications
- Two adjustable outputs with independent feedback networks
- PWM current-mode control for fast transient response
- Programmable switching frequency
- Enable input with UVLO and low quiescent current
- Remote sensing and output voltage tracking
- Protections: cycle-by-cycle current limit, overcurrent/overvoltage, and thermal shutdown
- Soft-start and output discharge
- Status outputs and fault reporting (e.g., power-good)
- 20-pin ANEZ package
Note: for exact electrical specs (input range, output voltages, efficiency, frequency, etc.), please consult the latest datasheet.

Package

The ISL78220ANEZ comes in a 20-pin QFN package (4x4 mm) with an exposed thermal pad.

Pinout

- Pin count: 28 pins (in the ANEZ variant package, typically a 28-pin QFN/TSSOP style).
- Function: Dual synchronous buck regulator/controller with two independent duty-cycle-controlled channels and integrated high-side MOSFETs for CPU/core power delivery (supports adjustable output voltages, enable, and PGOOD features).

Manufacturer

Manufacturer: Intersil, now a brand of Renesas Electronics Corporation.
What kind of company: A semiconductor company specializing in analog, mixed-signal, and power-management integrated circuits. Renesas/Intersil focuses on analog/PMIC products used in various electronics.

Application

ISL78220AN EZ is a high-efficiency regulator used for DC-DC conversion. Common application areas include:
- CPU/GPU/ASIC and FPGA VRMs
- Telecom and data-center power supplies
- Networking equipment and base stations
- Automotive electronics (infotainment, ADAS)
- Industrial automation and robotics
- General point‑of‑load DC‑DC regulation in consumer/enterprise electronics