ADI LT3570EUF#PBF
| Manufacturer | |
| MPN | LT3570EUF#PBF |
| LCSC Part # | C670919 |
| Packaging | QFN-24-EP(4x4) |
| Customer # | |
| Key Attributes | 2.1MHz Adjustable 1.5A QFN-24-EP(4x4) Voltage Regulators - Linear + Switching RoHS |
| Datasheet | ADI LT3570EUF#PBF |
| RoHS Compliance | 1 documents available |
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear + Switching | |
| Manufacturer | ADI | |
| Packaging | QFN-24-EP(4x4) | |
| Synchronous Rectifier | - | |
| Function | Boost;Step-down type | |
| Frequency - Switching | 2.1MHz | |
| Number of Outputs | 3 | |
| Output Type | Adjustable | |
| Output Voltage | - | |
| Quiescent Current | 3.1mA | |
| Operating Temperature | -40℃~+125℃ | |
| Operating Voltage | 2.5V~36V | |
| Output Current | 1.5A | |
| Topology | Boost;Buck | |
| Features | Frequency synchronization;Adjustable soft-start;External compensation |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear + Switching | |
| Manufacturer | ADI | |
| Packaging | QFN-24-EP(4x4) | |
| Synchronous Rectifier | - | |
| Function | Boost;Step-down type | |
| Frequency - Switching | 2.1MHz | |
| Number of Outputs | 3 | |
| Output Type | Adjustable |
| Type | Description | |
|---|---|---|
| Output Voltage | - | |
| Quiescent Current | 3.1mA | |
| Operating Temperature | -40℃~+125℃ | |
| Operating Voltage | 2.5V~36V | |
| Output Current | 1.5A | |
| Topology | Boost;Buck | |
| Features | Frequency synchronization;Adjustable soft-start;External compensation |
Introduction
The LT3570 is a buck and boost converter with internal power switches and LDO controller. Each converter is designed with a 1.5A current limit and an input range from 2.5V to 36V, making the LT3570 ideal for a wide variety of applications. Switching frequencies up to 2.1MHz are programmed with an external timing resistor and the oscillator can be synchronized to an external clock up to 2.75MHz. The LT3570 features a programmable soft-start function that limits the feedback voltage during start-up helping prevent overshoot and limiting inrush current. The LDO controller is capable of delivering up to 10mA of base current to an external NPN transistor.
Features
- 2.5V to 36V Input Voltage Range
- Programmable Switching Frequency from 500kHz to 2.1MHz
- Synchronizable Up to 2.75MHz
- VOUT(MIN): 0.8V
- Independent Soft-Start for Each Converter
- Separate VIN Supplies for Each Converter
- Duty Cycle Range: 0% to 90% at 1MHz
- Available in 24-Lead (4mm×4mm) QFN and 20-Lead TSSOP Packages
Applications
- Cable and Satellite Set-Top Boxes
- Automotive Systems
- Telecom Systems
- “Dying Gasp” Systems
- TFT LCD Displays
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear + Switching | |
| Manufacturer | ADI | |
| Packaging | QFN-24-EP(4x4) | |
| Synchronous Rectifier | - | |
| Function | Boost;Step-down type | |
| Frequency - Switching | 2.1MHz | |
| Number of Outputs | 3 | |
| Output Type | Adjustable | |
| Output Voltage | - | |
| Quiescent Current | 3.1mA | |
| Operating Temperature | -40℃~+125℃ | |
| Operating Voltage | 2.5V~36V | |
| Output Current | 1.5A | |
| Topology | Boost;Buck | |
| Features | Frequency synchronization;Adjustable soft-start;External compensation |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/Voltage Regulators - Linear + Switching | |
| Manufacturer | ADI | |
| Packaging | QFN-24-EP(4x4) | |
| Synchronous Rectifier | - | |
| Function | Boost;Step-down type | |
| Frequency - Switching | 2.1MHz | |
| Number of Outputs | 3 | |
| Output Type | Adjustable |
| Type | Description | |
|---|---|---|
| Output Voltage | - | |
| Quiescent Current | 3.1mA | |
| Operating Temperature | -40℃~+125℃ | |
| Operating Voltage | 2.5V~36V | |
| Output Current | 1.5A | |
| Topology | Boost;Buck | |
| Features | Frequency synchronization;Adjustable soft-start;External compensation |
Introduction
The LT3570 is a buck and boost converter with internal power switches and LDO controller. Each converter is designed with a 1.5A current limit and an input range from 2.5V to 36V, making the LT3570 ideal for a wide variety of applications. Switching frequencies up to 2.1MHz are programmed with an external timing resistor and the oscillator can be synchronized to an external clock up to 2.75MHz. The LT3570 features a programmable soft-start function that limits the feedback voltage during start-up helping prevent overshoot and limiting inrush current. The LDO controller is capable of delivering up to 10mA of base current to an external NPN transistor.
Features
- 2.5V to 36V Input Voltage Range
- Programmable Switching Frequency from 500kHz to 2.1MHz
- Synchronizable Up to 2.75MHz
- VOUT(MIN): 0.8V
- Independent Soft-Start for Each Converter
- Separate VIN Supplies for Each Converter
- Duty Cycle Range: 0% to 90% at 1MHz
- Available in 24-Lead (4mm×4mm) QFN and 20-Lead TSSOP Packages
Applications
- Cable and Satellite Set-Top Boxes
- Automotive Systems
- Telecom Systems
- “Dying Gasp” Systems
- TFT LCD Displays
C670919 EasyEDA Library
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | ROHS3 Compliant |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
| Type | Details |
|---|---|
| RoHS | ROHS3 Compliant |
| ECCN | EAR99 |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |