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ISL80020AFRZ-T

Name: ISL80020AFRZ-T
Rating: 4.7 (12 reviews)

IC REG BUCK ADJ 1.5A 8TDFN

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Mfr。パート #ISL80020AFRZ-T
パッケージ WFDFN-8
データシート
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仕様

Package	Tape & Reel (TR)
ProductStatus	Active
Function	Step-Down
OutputConfiguration	Positive
Topology	Buck
OutputType	Adjustable
NumberofOutputs	1
Voltage-Input(Min)	2.7V
Voltage-Input(Max)	5.5V
Voltage-Output(Min/Fixed)	0.6V
Voltage-Output(Max)	5.5V
Current-Output	1.5A
Frequency-Switching	2MHz
SynchronousRectifier	Yes
OperatingTemperature	-40°C ~ 125°C (TJ)
MountingType	Surface Mount
Package/Case	8-WFDFN Exposed Pad

概要

Description

ISL80020AFRZ-T is a dual synchronous buck regulator IC from Renesas Intersil. It combines two buck regulators in one package to generate two regulated rails from a common input, suitable for multi-rail power architectures in portable and embedded systems. Key features include dual current‑mode PWM controllers with integrated high-/low-side MOSFETs, externally adjustable output voltages via feedback resistors, enable and power‑good signals, soft-start, and protection (over-current and thermal). It supports wide input ranges and offers high efficiency with fast transient response. The suffix -RZ indicates RoHS-compliant packaging, and -T denotes tape-and-reel shipment.

Features

ISL80020AFRZ-T (Intersil/Renesas) is a high‑efficiency buck regulator family device. Key features typically include:
- Wide input voltage range and either fixed or adjustable output options
- Synchronous buck architecture (integrated high‑ and low‑side MOSFETs) for high efficiency
- Internal current‑mode PWM control with fast line/load transient response
- Enable pin with undervoltage lockout
- Soft‑start and output voltage sequencing
- Power‑good (status) output
- Protections: cycle‑by‑cycle overcurrent protection, overvoltage protection, thermal shutdown
- UVLO protection and robust protection during fault conditions
- Bootstrapped gate drive for the high‑side switch
- Small 8‑pin package with Tape & Reel (AFRZ‑T) packaging
Note: exact electrical ratings (input range, output options, timing, and protection thresholds) vary by variant. Please consult the datasheet for precise numbers and to confirm you’re referencing the specific AFRZ‑T revision.

Package

DFN-6 package: 2.0 × 3.0 mm, 6 pins, lead-free (tape-and-reel).

Pinout

- Pin count: 8 pins (8-pin package, e.g., SOIC/MSOP).
- Function: Voltage supervisor/reset generator for microcontroller systems; monitors Vcc and asserts a reset output (Power-on/low-voltage reset) when supply is out of range (often with POR timing). -T indicates tape-and-reel packaging; -FRZ indicates RoHS lead-free.

Manufacturer

- Manufacturer: Renesas Electronics Corporation (Intersil brand, now part of Renesas).
- What kind of company: A Japanese multinational semiconductor company that designs and manufactures analog, power-management, and mixed-signal integrated circuits.

Application

ISL80020AFRZ-T is a buck-boost DC-DC regulator. Common application areas include:
- Battery-powered portable devices (handsets, wearables)
- IoT sensors and microcontroller-based systems
- Automotive/industrial power management rails
- Portable medical devices
- Other battery-backed consumer electronics needing efficient voltage regulation across input variations
(Uses: wide input range, buck-boost regulation for stable output.)

Equivalent

Equivalent parts depend on exact specs. Please provide: Vin range, Vout (fixed/adjustable), max Iout, package, and required features (enable, soft-start, POR). ISL80020AFRZ-T is a 2 A buck DC-DC regulator; with your specs I can give pin-compatible cross-references from TI, Analog Devices, Renesas, etc.