Allicdata Part #: | S-8337AABA-T8T1G-ND |
Manufacturer Part#: |
S-8337AABA-T8T1G |
Price: | $ 0.46 |
Product Category: | Integrated Circuits (ICs) |
Manufacturer: | ABLIC U.S.A. Inc. |
Short Description: | IC REG CTRLR BOOST 8TSSOP |
More Detail: | Boost Regulator Positive Output Step-Up DC-DC Con... |
DataSheet: | S-8337AABA-T8T1G Datasheet/PDF |
Quantity: | 1000 |
3000 +: | $ 0.40748 |
Voltage - Supply (Vcc/Vdd): | 1.8 V ~ 6 V |
Supplier Device Package: | 8-TSSOP |
Package / Case: | 8-TSSOP (0.173", 4.40mm Width) |
Operating Temperature: | -40°C ~ 85°C (TA) |
Control Features: | Current Limit, Enable, Frequency Control |
Serial Interfaces: | -- |
Clock Sync: | No |
Synchronous Rectifier: | No |
Duty Cycle (Max): | 89% |
Frequency - Switching: | 257.4kHz ~ 1.134MHz |
Series: | -- |
Output Phases: | 1 |
Number of Outputs: | 1 |
Topology: | Boost |
Output Configuration: | Positive |
Function: | Step-Up |
Output Type: | Transistor Driver |
Part Status: | Not For New Designs |
Packaging: | Tape & Reel (TR) |
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S-8337AABA-T8T1G Application Field and Working Principle
Overview
The S-8337AABA-T8T1G is a highly-integrated, switching controller for DC-to-DC power supplies. It features multiple integrated features and functions, such as synchronous rectification and pulse-width modulation (PWM) control, making it suited for a variety of applications, such as notebook PCs, mobile phones, universal battery chargers, and portable digital audio players.
Features
- Advanced input dynamic voltage scaler (DVS) for better power management
- Cycle-by-cycle full loop overcurrent protection
- Fast response under voltage lockout
- Programmable frequency jittering to reduce EMI
- Simple design with minimal external components
- Thermal shutdown
Applications
The S-8337AABA-T8T1G is ideally suited for a variety of applications, such as notebook PCs, mobile phones, universal battery chargers, and portable digital audio players. In addition, its integrated features enable it to be used in gaming consoles, digital TVs, and other digital devices that require a DC-to-DC controller.
Working Principle
The S-8337AABA-T8T1G controller is based on a synchronous rectifying PWM control technique. This technique uses the existing input power supply to control the switch on and off times of the PWM circuit, which in turn controls the output voltage. The input and output parameters are configured with external resistors, thermistors, or other components. The output voltage can be adjusted dynamically depending on the input voltage, thermal conditions, or other factors.
The controller also features cycle-by-cycle current sensing and monitoring. This allows the S-8337AABA-T8T1G to sense the current in each switching cycle and make adjustments accordingly. The controller also has integrated short-circuit protection and overcurrent protection, further increasing its safety. Additionally, the controller includes a thermal shutdown function, which reacts to a high-temperature by shutting off power until the temperature has been reduced.
The specific data is subject to PDF, and the above content is for reference
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