ISL9000IRFDZ-T

Product Overview

Category: Integrated Voltage Regulator
Use: Power management
Characteristics: High efficiency, low noise, compact size
Package: QFN (Quad Flat No-Lead)
Essence: Voltage regulator with integrated power MOSFETs
Packaging/Quantity: Tape and reel, 2500 units per reel

Specifications

• Input Voltage Range: 2.7V to 5.5V
• Output Voltage Range: 0.8V to 3.6V
• Output Current: Up to 1A
• Efficiency: Up to 95%
• Quiescent Current: 25µA
• Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL9000IRFDZ-T has a total of 12 pins:

1. VIN: Input voltage pin
2. GND: Ground pin
3. EN: Enable pin
4. FB: Feedback pin
5. VOUT: Output voltage pin
6. PG: Power good indicator pin
7. SS: Soft-start capacitor pin
8. BST: Bootstrap capacitor pin
9. SW: Switching node pin
10. AGND: Analog ground pin
11. PGND: Power ground pin
12. NC: No connection pin

Functional Features

• Integrated power MOSFETs for high efficiency
• Low dropout voltage for improved performance
• Adjustable output voltage through external resistors
• Overcurrent and thermal protection
• Power good indicator for system monitoring
• Soft-start function for controlled startup

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption - Compact size allows for space-saving designs - Wide input voltage range enables versatile applications - Integrated protection features enhance system reliability

Disadvantages: - Limited output current may not be suitable for high-power applications - Requires external resistors for output voltage adjustment

Working Principles

The ISL9000IRFDZ-T is a voltage regulator that converts an input voltage within the range of 2.7V to 5.5V to a regulated output voltage between 0.8V and 3.6V. It achieves this through the use of integrated power MOSFETs, which provide high efficiency and low dropout voltage.

The device operates by continuously monitoring the feedback voltage (FB) and adjusting the duty cycle of the internal switching regulator to maintain a stable output voltage. The enable pin (EN) allows for easy control of the regulator's operation.

Detailed Application Field Plans

The ISL9000IRFDZ-T is commonly used in various applications, including:

1. Battery-powered devices: Portable electronics, wearable devices, and IoT sensors benefit from its low power consumption and wide input voltage range.
2. Industrial equipment: Control systems, motor drives, and instrumentation can utilize its compact size and high efficiency.
3. Automotive electronics: Infotainment systems, lighting modules, and advanced driver-assistance systems (ADAS) can benefit from its robust performance and protection features.

Detailed and Complete Alternative Models

1. ISL9000IRFDZ: Similar to ISL9000IRFDZ-T but without the power good indicator pin.
2. ISL9000IRFZ: Similar to ISL9000IRFDZ-T but without the soft-start capacitor pin.
3. ISL9000IRFTZ: Similar to ISL9000IRFDZ-T but with a different package (TDFN).

These alternative models offer similar functionality and characteristics, providing flexibility for different design requirements.

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