| Allicdata Part #: | S-8521A29MC-AXOT2G-ND |
| Manufacturer Part#: |
S-8521A29MC-AXOT2G |
| Price: | $ 0.28 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | ABLIC U.S.A. Inc. |
| Short Description: | IC REG CTRLR BUCK SOT23-5 |
| More Detail: | Buck Regulator Positive Output Step-Down DC-DC Co... |
| DataSheet: |  S-8521A29MC-AXOT2G Datasheet/PDF |
| Quantity: | 1000 |
| 3000 +: | $ 0.25490 |
| Voltage - Supply (Vcc/Vdd): | 2.5 V ~ 10 V |
| Supplier Device Package: | SOT-23-5 |
| Package / Case: | SC-74A, SOT-753 |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Control Features: | Enable |
| Serial Interfaces: | -- |
| Clock Sync: | No |
| Synchronous Rectifier: | No |
| Duty Cycle (Max): | 100% |
| Frequency - Switching: | 180kHz |
| Series: | -- |
| Output Phases: | 1 |
| Number of Outputs: | 1 |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Output Type: | Transistor Driver |
| Part Status: | Not For New Designs |
| Packaging: | Tape & Reel (TR) |
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The S-8521A29MC-AXOT2G is a DC DC switching controller from Rohm Semiconductor, featuring built-in MOSFET and enhanced output voltage accuracy. This controller is mainly used for providing a high efficiency, extremely low EMI and small size operation for DC to DC power supplies. It is suitable for use in applications such as notebook PCs, cellular phones, digital video cameras, and more.
This DC DC switching controller utilizes PFC for high power factor, high efficiency switching regulator control circuit. It also features short circuit protection, over current protection, overvoltage protection, and current limitation with programmable switching frequency up to 500kHz. Additionally, the chip features quick transient response, low output voltage ripple and excellent load regulation capability. Furthermore, it supports power saving function, overvoltage protection, soft start and AC to DC applications.
The S-8521A29MC-AXOT2G works on a PWM voltage-mode control with a current mode system. The controller applies positive and negative synchronous rectified outputs that can maintain system efficiency by giving a pulse length modulation strategy. It has a two phase interleaved function that produces lower conduction losses. The controller is designed to use a secondary side control with RDSON FET to reduce losses and provide optimum current control. The S-8521A29MC-AXOT2G has a built in MOSFET which helps in monitoring the output voltage.
The S-8521A29MC-AXOT2G provides low output voltage ripple, fast transient response and low operating current. It also has a operating current of about 0.3mA, a supply voltage range of l 5V to l 6V and an operating temperature range of - 40〜DegreeC to +85〜DegreeC. Additionally, the controller features input voltage range of l 5V to l7V, and fixed or adjustable output voltage range.
The high efficiency, low EMI and small size operation of the S-8521A29MC-AXOT2G make it ideal for applications such as notebook PCs, cellular phones, digital video cameras and other applications. The wide input voltage range, fast transient response and low operating current of the controller make it highly reliable and efficient.
The specific data is subject to PDF, and the above content is for reference
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