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LT3507IUHF
+BOMIC REG QD BUCK/LINEAR 38QFN
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メーカーテキサス・インスツルメンツ
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メーカー品番 #LT3507IUHF
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在庫状況9550
365 日間品質保証
7*24 日間の品質保証
90-時間単位のサービス保証
1日間のアフターサービス保証
仕様
| 属性 | 値 |
| Part Status | Obsolete |
| Topology | Step-Down (Buck) (3), Linear (LDO) (1) |
| Number of Outputs | 4 |
| Frequency - Switching | 900kHz ~ 1.1MHz |
| Voltage / Current - Output 1 | 0.8V ~ 32.4V, 2.4A |
| Voltage / Current - Output 2 | 0.8V ~ 32.4V, 1.5A |
| Voltage / Current - Output 3 | 0.8V ~ 32.4V, 1.5A |
| w / LED Driver | No |
| w / Supervisor | No |
| w / Sequencer | Yes |
| Voltage - Supply | 4V ~ 36V |
| Operating Temperature | -40°C ~ 125°C (TJ) |
| Mounting Type | Surface Mount |
| Package / Case | 38-WFQFN Exposed Pad |
| Supplier Device Package | 38-QFN (5x7) |
| Base Product Number | LT3507 |
概要
Description
The LT3507IUHF is a high-performance step-down (buck) voltage regulator from Analog Devices' Linear Technology division. It is designed to deliver up to 3A of continuous output current while maintaining high efficiency and a compact footprint. The device operates over a wide input voltage range, typically from 4.5V to 60V, making it suitable for various applications, including automotive, industrial, and telecom.
Key features include a built-in power switch, adjustable output voltage down to 0.8V, and a high switching frequency that enables the use of smaller inductors and capacitors. The LT3507 offers advanced protection features, such as thermal shutdown, current limiting, and under-voltage lockout, ensuring reliable operation under various conditions.
Its wide range of operating conditions, along with excellent transient response and low output ripple, makes the LT3507IUHF a versatile choice for power management solutions in demanding environments. For detailed specifications and application circuits, refer to the manufacturer's datasheet.
Key features include a built-in power switch, adjustable output voltage down to 0.8V, and a high switching frequency that enables the use of smaller inductors and capacitors. The LT3507 offers advanced protection features, such as thermal shutdown, current limiting, and under-voltage lockout, ensuring reliable operation under various conditions.
Its wide range of operating conditions, along with excellent transient response and low output ripple, makes the LT3507IUHF a versatile choice for power management solutions in demanding environments. For detailed specifications and application circuits, refer to the manufacturer's datasheet.
Equivalent
The LT3507IUHF is a high-efficiency, step-down (buck) DC-DC converter. Equivalent products include the TPS563201 from Texas Instruments, the LM2596 from Texas Instruments, the MICREL MICROCHIP MIC2212, and the MAX5035 from Analog Devices. When selecting a substitute, consider parameters like output voltage, current rating, and package type to ensure compatibility.
Features
The LT3507IUHF is a high-performance, step-down (buck) DC-DC converter designed for efficiency and versatility. Key features include:
1. Input Voltage Range: Operates from 4.5V to 30V.
2. Output Current: Delivers up to 2A output current.
3. High Efficiency: Achieves efficiency up to 95%, reducing heat generation.
4. Switching Frequency: Configurable between 200kHz and 2.5MHz, allowing for reduced inductor size.
5. Low Quiescent Current: Features low quiescent current for improved battery life in portable applications.
6. Integrated Power Switch: Includes an internal power switch to simplify design and reduce external component count.
7. Output Voltage Range: Adjustable output voltage with minimal external components.
8. Overcurrent and Thermal Protection: Built-in protections enhance reliability and safety.
These features make the LT3507IUHF suitable for various applications, including automotive, industrial, and battery-powered devices.
1. Input Voltage Range: Operates from 4.5V to 30V.
2. Output Current: Delivers up to 2A output current.
3. High Efficiency: Achieves efficiency up to 95%, reducing heat generation.
4. Switching Frequency: Configurable between 200kHz and 2.5MHz, allowing for reduced inductor size.
5. Low Quiescent Current: Features low quiescent current for improved battery life in portable applications.
6. Integrated Power Switch: Includes an internal power switch to simplify design and reduce external component count.
7. Output Voltage Range: Adjustable output voltage with minimal external components.
8. Overcurrent and Thermal Protection: Built-in protections enhance reliability and safety.
These features make the LT3507IUHF suitable for various applications, including automotive, industrial, and battery-powered devices.
Pinout
The LT3507IUHF is a high-efficiency, synchronous step-down (buck) DC-DC converter. It comes in a 16-lead (3mm × 3mm) QFN package. The pin count is 16, and the key functions of the pins include:
1. VIN: Input voltage supply.
2. GND: Ground.
3. SW: Switch node connected to the inductor.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. FB: Feedback pin for output voltage regulation.
7. ILIM: Input for current limiting.
8. RT: Timing resistor for frequency setting.
9. SS: Soft-start control.
10. PG: Power Good indicator.
11. EN: Enable pin for turning the converter on/off.
12. MODE: Mode selection for operation.
13. CSN/ CSP: Current sense inputs for overcurrent protection.
14. SENSE-: Negative current sense.
15. SENSE+: Positive current sense.
16. NC: No connection.
These pins facilitate essential functions such as power management, voltage regulation, and protection features.
1. VIN: Input voltage supply.
2. GND: Ground.
3. SW: Switch node connected to the inductor.
4. VOUT: Output voltage.
5. COMP: Compensation network connection for stability.
6. FB: Feedback pin for output voltage regulation.
7. ILIM: Input for current limiting.
8. RT: Timing resistor for frequency setting.
9. SS: Soft-start control.
10. PG: Power Good indicator.
11. EN: Enable pin for turning the converter on/off.
12. MODE: Mode selection for operation.
13. CSN/ CSP: Current sense inputs for overcurrent protection.
14. SENSE-: Negative current sense.
15. SENSE+: Positive current sense.
16. NC: No connection.
These pins facilitate essential functions such as power management, voltage regulation, and protection features.
Manufacturer
The LT3507IUHF is manufactured by Analog Devices, Inc. (ADI). Analog Devices is a global technology company specializing in the design and manufacturing of analog, mixed-signal, and digital signal processing (DSP) integrated circuits. Established in 1965, ADI is recognized for its high-performance analog and mixed-signal products, which are used in various applications, including communications, automotive, industrial, and consumer electronics. The company focuses on enabling customers to create innovative products and systems that require precise and reliable signal processing. Its extensive portfolio includes amplifiers, converters, sensors, and power management solutions, catering to a wide range of industries.
Application
The LT3507IUHF is a high-efficiency step-down switching regulator designed for applications requiring precise voltage regulation. It is commonly used in portable devices, battery-powered systems, and industrial equipment. Key application areas include:
1. Battery Management: Regulating voltage for lithium-ion and other battery types.
2. Power Supply Circuits: Supplying power to microcontrollers, sensors, and other low-voltage devices.
3. Embedded Systems: Providing stable power to embedded applications in consumer electronics.
4. Telecommunications: Powering RF and communication modules.
5. LED Drivers: Regulating current for LED lighting systems.
Its compact size and high efficiency make it suitable for space-constrained designs.
1. Battery Management: Regulating voltage for lithium-ion and other battery types.
2. Power Supply Circuits: Supplying power to microcontrollers, sensors, and other low-voltage devices.
3. Embedded Systems: Providing stable power to embedded applications in consumer electronics.
4. Telecommunications: Powering RF and communication modules.
5. LED Drivers: Regulating current for LED lighting systems.
Its compact size and high efficiency make it suitable for space-constrained designs.
Package
The LT3507IUHF is packaged in a 16-lead thermally enhanced TSSOP (Thin Shrink Small Outline Package) format.
