ISL78227ARZ

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ISL78227ARZ

IC REG CTRLR BOOST 32WQFN

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Spezifikationen

Supplier Renesas Electronics America Inc
Package Tube
Series Automotive, AEC-Q100
ProductStatus Active
OutputType Transistor Driver
Function Step-Up
OutputConfiguration Positive
Topology Boost
NumberofOutputs 2
OutputPhases 2
Voltage-Supply(Vcc/Vdd) 5V ~ 55V
Frequency-Switching 50kHz ~ 1.1MHz
DutyCycle(Max) 89%
SynchronousRectifier Yes
ClockSync Yes
ControlFeatures Dead Time Control, Enable, Frequency Control, Phase Control, Power Good, Soft Start, Tracking
OperatingTemperature -40°C ~ 125°C (TJ)
MountingType Surface Mount, Wettable Flank
Package/Case 32-VFQFN Exposed Pad

Übersicht

Description

ISL78227ARZ is a DC-DC switching regulator IC from Intersil (now Renesas) used to generate regulated rails in power-management circuits. It belongs to the ISL7822x family and typically drives external MOSFETs to convert a higher input voltage to a lower, stable output.
Key points:
- Function: switching regulator controller/driver (configures a buck converter; exact topology may vary by variant).
- Features (variant dependent): adjustable output via feedback resistors, current-mode control, programmable switching frequency, soft-start, enable/shutdown, and protections (overcurrent, overvoltage/UVLO, thermal shutdown).
- Package: ARZ denotes a specific package/version.
- Applications: VRMs for CPUs/GPUs, FPGAs, telecom, and industrial power supplies.
For precise specs (input range, maximum output current, efficiency, pinout) and application circuits, consult the latest Renesas ISL78227ARZ datasheet and product page.

Features

ISL78227ARZ is a dual synchronous buck controller intended for multiphase VRMs. Key features:
- Two independent channels with optional interleaving for multiphase operation
- Drives external N-channel MOSFETs with bootstrap circuit
- Wide input voltage range suitable for core rails
- Programmable switching frequency
- Adjustable output voltages via external feedback divider
- Protection: overcurrent/short-circuit, overvoltage, UVLO, thermal shutdown
- Soft-start and enable control
- Power-good/status signaling and fault reporting
- High efficiency due to synchronous rectification
- Package: ARZ (16-pin) compact QFN with good thermal performance
Note: exact electrical specs (voltages, currents, frequency range, protection thresholds) vary by device revision and should be confirmed in the official datasheet for ISL78227ARZ.

Package

Package type: 8-pin surface-mount package (SOP-8/MSOP-8). The ARZ suffix denotes the 8-lead plastic package used for ISL78227ARZ.

Pinout

- Pin count: 8 pins (MSOP-8 package, indicated by ARZ suffix).
- Function: Dual synchronous buck DC-DC regulator — two-channel step-down voltage regulators with integrated power FETs. Provides two low-voltage outputs from a higher input, with external feedback, enable/soft-start, and common ground.

Manufacturer

Manufacturer: Renesas Electronics Corporation (the Intersil brand).
About the company: Renesas is a Japanese semiconductor company specializing in analog, mixed-signal, and power-management ICs for automotive, industrial, and consumer applications.

Application

ISL78227ARZ is a two-channel, high-efficiency synchronous buck regulator. Primary applications:
- Point-of-load (POL) power supplies for CPUs/GPUs/FPGA/ASICs
- Dual-channel DC-DC converters in telecom and data‑com equipment
- Industrial control and motor-drive systems
- Automotive electronics and battery-powered devices
- Consumer electronics needing multiple low-voltage rails from a single supply
Refining for multi-rail, compact, efficient power management.

Versand

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UPS: Versandkosten reichen von $25-$45 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

TNT: Versandkosten reichen von $25-$65 (0.5kg), mit einer geschätzten Lieferzeit von 3-7 Werktagen.

EMS: Versandkosten reichen von $30-$50 (0.5kg), mit einer geschätzten Lieferzeit von 7-15 Werktagen.

Registrierte Luftpost: Versandkosten sind $ 2- $ 4 (0,1 kg), mit einer geschätzten Lieferzeit von 5-20 Werktagen.

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