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規格
| 屬性 | 價值 |
| Package/Case | TSSOP-16 |
| MinimumOperatingTemperature | - 40 C |
| MaximumOperatingTemperature | + 125 C |
| Series | LT3436 |
| Brand | Analog Devices |
| ProductType | Switching Voltage Regulators |
| Subcategory | PMIC - Power Management ICs |
| MountingStyle | SMD/SMT |
| ShippingRestrictions | Mouser does not presently sell this product in your region. |
| OperatingSupplyCurrent | 900 uA |
| Topology | Boost |
| OutputVoltage | Adjustable |
| OutputCurrent | 3 A |
| NumberofOutputs | 1 Output |
| InputVoltage-Min | 3 V |
| InputVoltage-Max | 25 V |
| SwitchingFrequency | 800 kHz |
| Height | 1.1 mm |
概述
Description
The LT3436EFE is a high-performance, step-down (buck) DC/DC converter designed by Analog Devices. It features a wide input voltage range of 4.5V to 60V and delivers output currents up to 1.5A. The device utilizes a constant-on-time control scheme, ensuring fast transient response and ease of use in various applications. It offers a programmable switching frequency, typically ranging from 200kHz to 2.2MHz, allowing flexibility in optimizing efficiency and component size.
Key features include low quiescent current, integrated power switch, and the ability to operate in a wide range of load conditions. It also incorporates protection mechanisms such as overvoltage, overcurrent, and thermal shutdown to enhance reliability. The LT3436EFE is suitable for applications in automotive, industrial, and telecommunications where efficient power management is crucial. With a compact package and minimal external components, it simplifies design and implementation while providing robust performance.
Key features include low quiescent current, integrated power switch, and the ability to operate in a wide range of load conditions. It also incorporates protection mechanisms such as overvoltage, overcurrent, and thermal shutdown to enhance reliability. The LT3436EFE is suitable for applications in automotive, industrial, and telecommunications where efficient power management is crucial. With a compact package and minimal external components, it simplifies design and implementation while providing robust performance.
Equivalent
Equivalent products to the LT3436EFE include the TPS63000 from Texas Instruments, the MICROCHIP MCP1640, and the MAX856 from Maxim Integrated. These alternatives also offer step-up converters with similar specifications for DC-DC conversion applications. Always verify the specific electrical parameters and package options to ensure compatibility with your design requirements.
Features
The LT3436EFE is a high-performance, synchronous step-down DC-DC converter designed for a wide range of applications. Key features include:
1. Input Voltage Range: 4.5V to 60V, allowing for versatile use in various power systems.
2. Output Current Capability: Up to 1A continuous output current, suitable for various loads.
3. High Efficiency: Typically over 90%, minimizing heat generation and improving thermal performance.
4. Adjustable Output Voltage: Can be set from 0.8V to 30V, offering flexibility for different applications.
5. Integrated Synchronous Rectification: Enhances efficiency and reduces external component count.
6. Built-in Soft Start: Reduces inrush current during startup, protecting the converter and load.
7. Switching Frequency: Fixed at 1.2MHz, allowing for smaller output capacitors and inductors.
8. Thermal Overload Protection: Ensures safe operation under overload conditions.
Overall, the LT3436EFE is ideal for applications requiring high efficiency, compact design, and wide input/output voltage ranges.
1. Input Voltage Range: 4.5V to 60V, allowing for versatile use in various power systems.
2. Output Current Capability: Up to 1A continuous output current, suitable for various loads.
3. High Efficiency: Typically over 90%, minimizing heat generation and improving thermal performance.
4. Adjustable Output Voltage: Can be set from 0.8V to 30V, offering flexibility for different applications.
5. Integrated Synchronous Rectification: Enhances efficiency and reduces external component count.
6. Built-in Soft Start: Reduces inrush current during startup, protecting the converter and load.
7. Switching Frequency: Fixed at 1.2MHz, allowing for smaller output capacitors and inductors.
8. Thermal Overload Protection: Ensures safe operation under overload conditions.
Overall, the LT3436EFE is ideal for applications requiring high efficiency, compact design, and wide input/output voltage ranges.
Pinout
The LT3436EFE is a high-performance boost converter with a pin count of 16. This device is designed for applications requiring efficient step-up voltage conversion. Key pins include:
1. VIN: Input voltage.
2. SW: Switching node.
3. VOUT: Output voltage.
4. GND: Ground reference.
5. CSN/ CSP: Current sense inputs.
6. RT: Resistor for setting the switching frequency.
7. COMP: Compensation network for stability.
8. FB: Feedback for output voltage regulation.
9. SS: Soft-start function to control output voltage ramp-up.
10. SYNC: Synchronization input for external clocking.
11. PGOOD: Power good status output.
12. ILIM: Current limit setting.
13. MODE: Mode selection for operation.
The LT3436EFE is suitable for powering devices from low-voltage sources, like batteries, by efficiently boosting the voltage to higher levels needed for various applications.
1. VIN: Input voltage.
2. SW: Switching node.
3. VOUT: Output voltage.
4. GND: Ground reference.
5. CSN/ CSP: Current sense inputs.
6. RT: Resistor for setting the switching frequency.
7. COMP: Compensation network for stability.
8. FB: Feedback for output voltage regulation.
9. SS: Soft-start function to control output voltage ramp-up.
10. SYNC: Synchronization input for external clocking.
11. PGOOD: Power good status output.
12. ILIM: Current limit setting.
13. MODE: Mode selection for operation.
The LT3436EFE is suitable for powering devices from low-voltage sources, like batteries, by efficiently boosting the voltage to higher levels needed for various applications.
Manufacturer
The LT3436EFE is manufactured by Analog Devices, Inc. Analog Devices is a global company that specializes in designing and manufacturing high-performance analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Founded in 1965, the company is headquartered in Norwood, Massachusetts, and it primarily serves markets such as telecommunications, automotive, industrial automation, healthcare, and consumer electronics. Analog Devices is renowned for its innovative products, which include data converters, amplifiers, and power management solutions, making it a key player in the semiconductor industry. The LT3436EFE specifically is a high-voltage, synchronous step-down regulator capable of efficiently converting high input voltages to lower output voltages, reflecting the company's focus on providing advanced power management solutions.
Application
The LT3436EFE is a high-performance DC-DC step-down (buck) regulator designed for various applications. Key areas include battery-powered devices, automotive systems, telecom equipment, and industrial automation. It is suitable for generating low-voltage outputs from higher voltage inputs, making it ideal for powering microcontrollers, sensors, and other digital circuits. The regulator's efficiency and compact size make it well-suited for space-constrained designs in portable electronics and embedded systems. Additionally, its ability to operate in harsh environments makes it a good fit for applications requiring robust performance and reliability.
Package
The LT3436EFE is packaged in a 16-lead TSSOP (Thin Shrink Small Outline Package) format.