S-1135D21-U5T1U

Basic Information Overview

• Category: Integrated Circuit (IC)
• Use: Voltage Regulator
• Characteristics: Low Dropout, High Current, Ultra-Low Quiescent Current
• Package: SOT-23-5
• Essence: Regulates voltage with minimal power loss
• Packaging/Quantity: Tape and Reel, 3000 units per reel

Specifications

• Input Voltage Range: 2.5V to 6.0V
• Output Voltage Range: 1.2V to 5.5V
• Maximum Output Current: 500mA
• Dropout Voltage: 200mV at 100mA
• Quiescent Current: 1μA (typical)

Detailed Pin Configuration

The S-1135D21-U5T1U has a total of five pins arranged as follows: 1. VIN: Input voltage pin 2. GND: Ground pin 3. EN: Enable pin 4. VOUT: Output voltage pin 5. NC: No connection pin

Functional Features

• Low dropout voltage ensures efficient regulation even with small input-output voltage differentials.
• High output current capability allows for powering various electronic components.
• Ultra-low quiescent current minimizes power consumption during standby or idle modes.
• Built-in overcurrent protection safeguards the circuit from excessive current flow.

Advantages

• Compact SOT-23-5 package enables space-saving integration into small electronic devices.
• Wide input voltage range provides flexibility in different power supply scenarios.
• Excellent load regulation ensures stable output voltage under varying load conditions.
• Low quiescent current prolongs battery life in portable applications.

Disadvantages

• Limited maximum output current may not be suitable for high-power applications.
• Dropout voltage may cause a slight voltage drop across the regulator.

Working Principles

The S-1135D21-U5T1U is a linear voltage regulator that operates by comparing the output voltage to a reference voltage. It adjusts the resistance within the circuit to maintain a stable output voltage, compensating for changes in input voltage and load conditions. The dropout voltage is the minimum voltage difference required between the input and output for the regulator to function correctly.

Detailed Application Field Plans

The S-1135D21-U5T1U finds applications in various electronic devices, including: - Battery-powered devices: Portable audio players, handheld gaming consoles, and digital cameras. - IoT devices: Smartwatches, fitness trackers, and wireless sensors. - Automotive electronics: Infotainment systems, navigation units, and dashboard displays. - Industrial equipment: Measurement instruments, control systems, and motor drivers.

Detailed and Complete Alternative Models

1. S-1133 Series: Offers similar voltage regulation capabilities with different package options.
2. S-1112 Series: Provides higher output current and lower dropout voltage for more demanding applications.
3. S-1170 Series: Features adjustable output voltage and higher maximum output current.

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