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LT3759EMSE#PBF
+BOMIC REG CTRLR MULT TOP 12MSOP
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제조업체아날로그 디바이스(주)
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제조업체 부품 #LT3759EMSE#PBF
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데이터시트 LT3759EMSE#PBF DataSheet
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패키지 MSSOP-12
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재고1888
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사양
| 속성 | 가치 |
| Package | Tube |
| ProductStatus | Active |
| OutputType | Transistor Driver |
| Function | Step-Up, Step-Up/Step-Down |
| OutputConfiguration | Positive or Negative, Isolation Capable |
| Topology | Boost, Flyback, SEPIC |
| NumberofOutputs | 1 |
| OutputPhases | 1 |
| Voltage-Supply(Vcc/Vdd) | 1.6V ~ 42V |
| Frequency-Switching | 100kHz ~ 1MHz |
| SynchronousRectifier | No |
| ClockSync | Yes |
| ControlFeatures | Enable, Frequency Control, Power Good, Soft Start |
| OperatingTemperature | -40°C ~ 125°C (TJ) |
| MountingType | Surface Mount |
| Package/Case | 12-TSSOP (0.118, 3.00mm Width) Exposed Pad |
개요
Description
Key features of the LT3759EMSE#PBF include a programmable switching frequency between 100kHz and 1MHz, which allows designers to optimize between size, efficiency, and performance. The chip also includes a 100V power switch, a high-side current sense amplifier, and a feedback loop that maintains stability and precision in output voltage regulation.
The LT3759EMSE#PBF supports both PWM and PFM modes for improved efficiency under different load conditions. Its thermal shutdown feature, along with overcurrent and overvoltage protection, ensures reliability and safety in demanding environments. This makes it an ideal choice for industrial, automotive, and telecom applications where robust power management is crucial.
Equivalent
1. Texas Instruments: LM3488 - A versatile wide-input boost controller.
2. ON Semiconductor: NCP3065 - A high voltage step-up/down/inverting switching regulator.
3. Microchip Technology: MCP1663 - A versatile high-voltage boost regulator.
4. STMicroelectronics: L6920D - A high efficiency step-up converter.
These alternatives may vary in specifications, so ensure compatibility with your application requirements.
Features
1. Wide Input Voltage Range: Operates from 4.5V to 60V, making it suitable for a variety of power sources.
2. High Output Voltage Capability: Can generate output voltages up to 100V, allowing for use in applications requiring high voltage conversion.
3. Flexible Topology Support: Supports boost, SEPIC, flyback, and inverting configurations, providing design flexibility.
4. Adjustable Switching Frequency: Frequency can be set between 100kHz and 1MHz, optimizing efficiency and performance.
5. Integrated N-Channel MOSFET Driver: Enhances efficiency by driving external MOSFETs directly.
6. Low Shutdown Current: Consumes minimal power in shutdown mode, ideal for battery-powered applications.
7. Protection Features: Includes overcurrent, overvoltage, and thermal shutdown protection for reliable operation.
8. Programmable Soft-Start: Allows controlled startup procedures, preventing inrush current.
These features make the LT3759EMSE#PBF suitable for a wide range of power supply and conversion applications, especially where high efficiency and flexibility are crucial.
Pinout
Pin Count:
- The LT3759EMSE#PBF has 16 pins.
Key Functions:
- VIN: Input supply voltage.
- VC: Compensation pin for the error amplifier.
- GND: Ground pin.
- SW: Switch node; connected to the inductor.
- FBX: Feedback pin for output voltage regulation.
- SHDN/UVLO: Shutdown and undervoltage lockout pin.
- INTVCC: Internal regulator output for powering the internal circuitry.
- SYNC: Synchronization input for external clock.
- RT: Sets the switching frequency.
- SS: Soft-start control pin.
- ISP, ISN: Current sense positive and negative inputs.
The LT3759 is versatile and can be used in applications requiring robust power conversion with high efficiency. Its wide input and output voltage ranges make it suitable for a variety of industrial and automotive applications.