Voir les spécifications pour les détails du produit.
LTC3255MPDD#TRPBF
Product Overview
Category
The LTC3255MPDD#TRPBF belongs to the category of voltage regulators.
Use
It is used to provide a regulated output voltage from a single-cell Li-Ion or 3-cell NiMH/NiCd battery source.
Characteristics
- Input Voltage Range: 2.7V to 38V
- Output Voltage Range: 1.8V to 5.25V
- Package: DFN-10
- Essence: High efficiency, low quiescent current, and low output noise
- Packaging/Quantity: Tape & Reel (3000 units per reel)
Specifications
- Input Voltage Range: 2.7V to 38V
- Output Voltage Range: 1.8V to 5.25V
- Quiescent Current: 950nA
- Output Noise: 20µVRMS (10Hz to 100kHz)
- Switching Frequency: 1MHz
- Operating Temperature Range: -40°C to 125°C
Detailed Pin Configuration
- VIN: Input Voltage
- GND: Ground
- SHDN: Shutdown
- VOUT: Output Voltage
- FB: Feedback
- SS/TRK: Soft-Start/Tracking
- EN: Enable
- VCC: Supply Voltage
- SW: Switch Node
- PG: Power Good
Functional Features
- Low Quiescent Current
- Wide Input Voltage Range
- Low Output Noise
- High Efficiency
- Power Good Output
- Soft-Start/Tracking
Advantages and Disadvantages
Advantages
- Wide input voltage range allows for versatile applications
- Low quiescent current extends battery life
- High efficiency reduces power dissipation
- Power good output enhances system reliability
Disadvantages
- Limited to specific battery sources (single-cell Li-Ion or 3-cell NiMH/NiCd)
Working Principles
The LTC3255MPDD#TRPBF utilizes a buck-boost topology to regulate the output voltage regardless of the input voltage level. It employs a high switching frequency to minimize the size of external components and optimize efficiency.
Detailed Application Field Plans
The LTC3255MPDD#TRPBF is suitable for various battery-powered applications, including portable instruments, handheld devices, and battery-powered sensors. Its wide input voltage range and low quiescent current make it ideal for energy-efficient designs.
Detailed and Complete Alternative Models
- LTC3115-1
- LTC3129
- LTC3531
In conclusion, the LTC3255MPDD#TRPBF is a versatile voltage regulator with a wide input voltage range, low quiescent current, and high efficiency, making it suitable for a range of battery-powered applications.
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Énumérez 10 questions et réponses courantes liées à l'application de LTC3255MPDD#TRPBF dans les solutions techniques
What is the LTC3255MPDD#TRPBF?
- The LTC3255MPDD#TRPBF is a high efficiency, low noise charge pump DC/DC converter with an integrated LDO regulator.
What is the input voltage range of LTC3255MPDD#TRPBF?
- The input voltage range of LTC3255MPDD#TRPBF is 1.8V to 5.5V.
What is the output voltage range of LTC3255MPDD#TRPBF?
- The output voltage range of LTC3255MPDD#TRPBF is adjustable from 1.8V to 5.25V.
What is the maximum output current of LTC3255MPDD#TRPBF?
- The maximum output current of LTC3255MPDD#TRPBF is 100mA.
What are the typical applications of LTC3255MPDD#TRPBF?
- Typical applications of LTC3255MPDD#TRPBF include portable and battery-powered equipment, energy harvesting, and low power sensor systems.
What is the efficiency of LTC3255MPDD#TRPBF?
- The efficiency of LTC3255MPDD#TRPBF is typically 90%.
Does LTC3255MPDD#TRPBF have built-in protection features?
- Yes, LTC3255MPDD#TRPBF includes overcurrent and short-circuit protection.
What is the operating temperature range of LTC3255MPDD#TRPBF?
- The operating temperature range of LTC3255MPDD#TRPBF is -40°C to 125°C.
Is LTC3255MPDD#TRPBF suitable for space-constrained applications?
- Yes, LTC3255MPDD#TRPBF is available in a small DFN package, making it suitable for space-constrained applications.
Can LTC3255MPDD#TRPBF be used in automotive applications?
- Yes, LTC3255MPDD#TRPBF is suitable for automotive applications due to its wide input voltage range and robust design.