LTC1550L (11)
The LTC1550L is available from Analog Devices at Xecor. Designed for low noise, switched capacitor regulated voltage inversion, the LTC1550L offers regulated negative voltage from a single positive supply, low output ripple (less than 1mVP-P), and high charge pump frequency (900kHz typ). Available in multiple package options including 8-Lead MSOP, 8-Lead Narrow SO, and 16-Lead Narrow SSOP, it is ideal for bias voltage generation in GaAs transmitter FETs, battery-powered systems, and single supply applications. Whether used in portable RF and cellular telephone applications, this series ensures high performance, efficiency, and reliability for demanding applications. Xecor is an authorized distributor for Analog Devices. Please view our extensive selection of the LTC1550L series below.
| Part Number | Description | Package | Inventory | Add To Bom |
|---|---|---|---|---|
| LTC1550LIGN | Compact surface mount package for space-saving application | SSOP-16 | 4,648 | |
| LTC1550LCS8-2.5#PBF | Versatile buck-boost DC-DC converter for -2.5V output | SOIC-8 | 7,452 | |
| LTC1550LCS8#TRPBF | Ideal for applications requiring a compact and reliable power solution | SOIC-8 | 3,672 | |
| LTC1550LCMS8#TRPBF | Low voltage converter for microcontrolle | MSOP-8 | 6,416 | |
| LTC1550LCGN#PBF | Precise voltage inversion solution with low nois | SSOP-16 | 5,755 | |
| LTC1550LCGN#TRPBF | Charge Pump INV 20mA 16-Pin SSOP N T/R | 16-SSOP | 9,454 | |
| LTC1550LCMS8-2.5#PBF | Charge Pump INV -2.5V 20mA 8-Pin MSOP Tube | 8-MSOP | 6,338 | |
| LTC1550LCMS8-4.1#TRPBF | Charge Pump INV -4.1V 20mA 8-Pin MSOP T/R | MSOP-8 | 5,885 | |
| LTC1550LCMS8-2#PBF | Switching Voltage Regulators L N, Switched Cap Reg V Inv | 8-MSOP | 7,672 | |
| LTC1550LCMS8#PBF | A high-performance, low-dropout voltage regulator delivering a stable outpu | 8-MSOP | 6,958 | |
| LTC1550LCMS8-2#TRPBF | Low-power, low-dropout regulator for miniaturized system | 8-MSOP | 7,296 |
Key Featrues
Regulated Negative Voltage from a Single Positive Supply: This feature allows the device to generate a stable negative voltage from a single positive power source, simplifying power supply design and reducing the need for additional components, which enhances system efficiency and compactness.
Low Output Ripple: Less Than 1mVP-P Typ: The extremely low output ripple ensures clean and stable voltage output, which is critical for sensitive applications like RF and cellular systems, improving signal integrity and reducing noise interference.
High Charge Pump Frequency: 900kHz Typ: The high switching frequency minimizes the size of external capacitors required, leading to a more compact design and improved performance in space-constrained applications.
Shutdown Mode Drops Supply Current to <1µA: This ultra-low power consumption in shutdown mode significantly extends battery life in portable and battery-powered systems, making it ideal for energy-efficient applications.
Output Regulation: 2.5% Over Line, Load and Temperature: The tight output regulation ensures consistent performance across varying input voltages, load conditions, and temperatures, enhancing reliability and stability in diverse operating environments.
Low Output Ripple: Less Than 1mVP-P Typ: The extremely low output ripple ensures clean and stable voltage output, which is critical for sensitive applications like RF and cellular systems, improving signal integrity and reducing noise interference.
High Charge Pump Frequency: 900kHz Typ: The high switching frequency minimizes the size of external capacitors required, leading to a more compact design and improved performance in space-constrained applications.
Shutdown Mode Drops Supply Current to <1µA: This ultra-low power consumption in shutdown mode significantly extends battery life in portable and battery-powered systems, making it ideal for energy-efficient applications.
Output Regulation: 2.5% Over Line, Load and Temperature: The tight output regulation ensures consistent performance across varying input voltages, load conditions, and temperatures, enhancing reliability and stability in diverse operating environments.
Applications
GaAs FET Bias Generator: The LTC1550L/LTC1551L is ideal for generating precise bias voltages for GaAs FETs in portable RF and cellular telephone applications. Its low output ripple and high charge pump frequency ensure stable and accurate bias generation, making it suitable for high-performance RF systems.
Negative Supply Generator: The LTC1550L/LTC1551L is perfect for creating regulated negative voltages from a single positive supply. With output ripple typically below 1mVP-P, it is well-suited for applications requiring clean and stable negative voltage rails, such as audio amplifiers and signal processing circuits.
Battery-Powered System Voltage Inverter: The LTC1550L/LTC1551L is an excellent choice for battery-powered systems requiring efficient voltage inversion. Its low supply current in shutdown mode (<1µA) and high output current capability (up to 20mA) make it ideal for portable devices, ensuring extended battery life and reliable performance.
Single Supply Voltage Regulator: The LTC1550L/LTC1551L is highly effective for single-supply applications needing regulated negative or adjustable output voltages. Its compact design, requiring only four external capacitors, and its small charge pump capacitors (0.1µF) make it suitable for space-constrained designs in consumer electronics and industrial control systems.
Negative Supply Generator: The LTC1550L/LTC1551L is perfect for creating regulated negative voltages from a single positive supply. With output ripple typically below 1mVP-P, it is well-suited for applications requiring clean and stable negative voltage rails, such as audio amplifiers and signal processing circuits.
Battery-Powered System Voltage Inverter: The LTC1550L/LTC1551L is an excellent choice for battery-powered systems requiring efficient voltage inversion. Its low supply current in shutdown mode (<1µA) and high output current capability (up to 20mA) make it ideal for portable devices, ensuring extended battery life and reliable performance.
Single Supply Voltage Regulator: The LTC1550L/LTC1551L is highly effective for single-supply applications needing regulated negative or adjustable output voltages. Its compact design, requiring only four external capacitors, and its small charge pump capacitors (0.1µF) make it suitable for space-constrained designs in consumer electronics and industrial control systems.
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