ISL88736HRTZ-T

Product Overview

Category: Integrated Circuit (IC)

Use: Voltage Regulator

Characteristics: - High efficiency - Low dropout voltage - Wide input voltage range - Adjustable output voltage - Overcurrent protection - Thermal shutdown protection

Package: 24-Lead Thin Shrink Small Outline Package (TSSOP)

Essence: The ISL88736HRTZ-T is a voltage regulator IC designed to provide stable and regulated power supply in various electronic devices.

Packaging/Quantity: The ISL88736HRTZ-T is typically sold in reels containing 2500 units.

Specifications

Input Voltage Range: 4.5V to 28V
Output Voltage Range: 0.8V to 5.5V
Output Current: Up to 3A
Dropout Voltage: 300mV at 1A
Quiescent Current: 120µA
Operating Temperature Range: -40°C to +85°C

Detailed Pin Configuration

The ISL88736HRTZ-T has a total of 24 pins, each serving a specific function. Here is the detailed pin configuration:

VIN: Input voltage pin
EN: Enable pin
FB: Feedback pin
GND: Ground pin
VOUT: Output voltage pin
COMP: Compensation pin
SS: Soft-start pin
PGND: Power ground pin
BST: Bootstrap pin
AGND: Analog ground pin
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection
NC: No connection

Functional Features

High Efficiency: The ISL88736HRTZ-T offers high efficiency, ensuring minimal power loss during voltage regulation.
Low Dropout Voltage: With a low dropout voltage of 300mV at 1A, the IC can maintain a stable output voltage even when the input voltage is close to the desired output voltage.
Wide Input Voltage Range: The IC can accept input voltages ranging from 4.5V to 28V, making it suitable for a wide range of applications.
Adjustable Output Voltage: The output voltage can be adjusted within the range of 0.8V to 5.5V, providing flexibility in meeting specific device requirements.
Overcurrent Protection: The IC incorporates overcurrent protection, safeguarding the connected devices from excessive current flow.
Thermal Shutdown Protection: In case of excessive temperature rise, the thermal shutdown feature activates, preventing damage to the IC and the connected components.

Advantages and Disadvantages

Advantages: - High efficiency leads to reduced power consumption. - Wide input voltage range allows for versatile application. - Adjustable output voltage provides flexibility. - Overcurrent and thermal shutdown protection enhance device safety.

Disadvantages: - Limited output current capacity (up to 3A). - Requires external components for proper operation.

Working Principles

The ISL88736HRTZ-T operates as a linear voltage regulator. It regulates the output voltage by comparing the feedback voltage (FB) with a reference voltage. Any deviation between the two voltages is amplified and used to adjust the output voltage accordingly. The internal circuitry ensures stable and regulated output voltage despite variations in input voltage and load conditions.

Detailed Application Field Plans

The ISL88736HRTZ-T finds applications in various electronic devices that require a stable and regulated power supply. Some of the common application fields include: - Mobile devices - Portable gaming consoles - Wireless routers - Set-top boxes - Industrial automation equipment - Automotive electronics

Detailed and Complete Alternative Models

LM317: A popular linear voltage regulator with adjustable output voltage and current up to 1.5A.
LT1084: A high-current linear voltage regulator capable of delivering up to 5A of output current.
TPS7A4700: An ultra-low-noise linear voltage regulator suitable for sensitive audio and RF applications.
LM1117: A low dropout voltage regulator available in various fixed output voltage options.
LDO50V: A high-voltage linear regulator designed for applications requiring output voltages up to 50V.

These alternative models offer similar functionality and can be considered based on specific requirements and constraints.

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Lista 10 Vanliga frågor och svar relaterade till tillämpningen av ISL88736HRTZ-T i tekniska lösningar

Sure! Here are 10 common questions and answers related to the application of ISL88736HRTZ-T in technical solutions:

Q: What is ISL88736HRTZ-T? A: ISL88736HRTZ-T is a highly integrated battery charger controller IC designed for single-cell Li-ion or Li-polymer batteries.
Q: What is the input voltage range supported by ISL88736HRTZ-T? A: The input voltage range supported by ISL88736HRTZ-T is typically between 4.5V and 28V.
Q: Can ISL88736HRTZ-T charge multiple batteries simultaneously? A: No, ISL88736HRTZ-T is designed to charge a single-cell battery at a time.
Q: What charging current can ISL88736HRTZ-T provide? A: ISL88736HRTZ-T can provide a charging current up to 4A, depending on the external components used.
Q: Does ISL88736HRTZ-T support fast charging? A: Yes, ISL88736HRTZ-T supports various charging profiles, including fast charging, based on the configuration and external components.
Q: Can ISL88736HRTZ-T be used in portable devices? A: Yes, ISL88736HRTZ-T is commonly used in portable devices like smartphones, tablets, and other battery-powered devices.
Q: Does ISL88736HRTZ-T have built-in overvoltage protection? A: Yes, ISL88736HRTZ-T has built-in overvoltage protection to prevent damage to the battery during charging.
Q: What is the operating temperature range of ISL88736HRTZ-T? A: The operating temperature range of ISL88736HRTZ-T is typically between -40°C and +85°C.
Q: Can ISL88736HRTZ-T be used in automotive applications? A: Yes, ISL88736HRTZ-T can be used in automotive applications that require single-cell battery charging.
Q: Are evaluation boards available for ISL88736HRTZ-T? A: Yes, Intersil (now Renesas Electronics) provides evaluation boards and reference designs for ISL88736HRTZ-T to aid in the development process.

Please note that the answers provided here are general and may vary depending on specific application requirements and datasheet specifications.