L6997STR
- Mfr.Part #
- L6997STR
- Manufacturer
- STMicroelectronics
- Package / Case
- 20-TSSOP (0.173, 4.40mm Width)
- Datasheet
- Download
- Description
- IC REG CTRLR BUCK 20TSSOP
- Stock
- 755
- In Stock :
- 755
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- Manufacturer :
- STMicroelectronics
- Product Category :
- DC DC Switching Controllers
- Operating Supply Voltage :
- 35V
- Packaging :
- Tape and Reel (TR)
- Number of Pins :
- 20
- Voltage - Supply (Vcc/Vdd) :
- 3V~5.5V
- Control Technique :
- PULSE WIDTH MODULATION
- Terminal Form :
- Gull wing
- Switcher Configuration :
- Push-Pull
- Base Part Number :
- L6997
- Output Power :
- 1W
- Input Voltage (Max) :
- 5.5V
- Max Frequency :
- 1MHz
- Number of Outputs :
- 1
- Output Configuration :
- Positive
- Operating Temperature :
- -40°C~125°C TJ
- Terminal Position :
- Dual
- Input Voltage (Min) :
- 3V
- Analog IC - Other Type :
- SWITCHING CONTROLLER
- Clock Sync :
- No
- Quiescent Current :
- 600μA
- Control Mode :
- VOLTAGE-MODE
- Mounting Type :
- Surface Mount
- Width :
- 4.4mm
- JESD-609 Code :
- e4
- ECCN Code :
- EAR99
- Function :
- Step-Down
- Input Voltage-Nom :
- 3.3V
- Duty Cycle :
- 94 %
- RoHS Status :
- ROHS3 Compliant
- Factory Lead Time :
- 12 Weeks
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Package / Case :
- 20-TSSOP (0.173, 4.40mm Width)
- Number of Terminations :
- 20
- Output Current :
- 30A
- Terminal Pitch :
- 0.65mm
- Topology :
- Buck
- Mount :
- Surface Mount
- Synchronous Rectifier :
- yes
- Control Features :
- Current Limit, Enable, Phase Control, Power Good, Soft Start
- Output Voltage :
- 12V
- Length :
- 6.5mm
- Output Type :
- Transistor Driver
- Terminal Finish :
- Nickel/Palladium/Gold (Ni/Pd/Au)
- Datasheets
- L6997STR

DC DC Switching Controllers STMicroelectronics L6997STR Overview
The L6997STR from STMicroelectronics is a sophisticated DC DC Switching Controller designed to efficiently manage power within a broad range of applications. This component ensures reliable operation with its advanced buck regulator control technology, optimizing power conversion for devices requiring stable voltage and current in a compact package. The integration of cutting-edge features with a focus on high efficiency and power density makes the L6997STR an ideal choice for manufacturers looking to enhance system performance while reducing operational costs. Its versatility is underscored by its compatibility with various switching frequencies and its robust thermal performance, making it a pivotal component in advanced power supply designs.
L6997STR Features
The L6997STR features include a wide input voltage range, adjustable switching frequency, and integrated protection mechanisms such as over-temperature and over-current protection. These features contribute to its enhanced efficiency, reliability, and flexibility in managing power requirements for sophisticated electronic assemblies.
L6997STR Applications
- Telecommunications Equipment: Utilized to regulate power within communication devices that require consistent operation across varying load conditions.
- Consumer Electronics: Serves as a power solution in devices such as laptops and gaming consoles, where efficient power management is critical for performance and battery life.
- Industrial Systems: Employs robust power control in automated manufacturing equipment, ensuring stable operation under fluctuating power demands.
- Automotive Electronics: Provides reliable power regulation for in-vehicle electronics, supporting systems ranging from infotainment to advanced driver-assistance systems (ADAS).
- Portable Devices: Helps in managing the power efficiency in portable medical devices, enhancing device reliability and patient safety.
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| Part | Manufacturer | Stock | Description |
|---|---|---|---|
| L6995DTR | STMicroelectronics | 7,836 | IC REG CTRLR BUCK 20TSSOP |
| L6995STR | STMicroelectronics | 33,096 | IC REG CTRLR BUCK 20TSSOP |
| L6997S | STMicroelectronics | 1,061 | IC REG CTRLR BUCK 20TSSOP |
















