| Allicdata Part #: | MAX1557ETB+TTR-ND |
| Manufacturer Part#: |
MAX1557ETB+T |
| Price: | $ 1.19 |
| Product Category: | Integrated Circuits (ICs) |
| Manufacturer: | Maxim Integrated |
| Short Description: | IC REG BUCK ADJ/PROG 0.6A 10TDFN |
| More Detail: | Buck Switching Regulator IC Positive Adjustable (P... |
| DataSheet: |  MAX1557ETB+T Datasheet/PDF |
| Quantity: | 1000 |
| 2500 +: | $ 1.08284 |
Specifications
| Voltage - Output (Min/Fixed): | 0.75V (1V, 1.3V, 1.5V) |
| Base Part Number: | MAX1557 |
| Supplier Device Package: | 10-TDFN (3x3) |
| Package / Case: | 10-WFDFN Exposed Pad |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Synchronous Rectifier: | Yes |
| Frequency - Switching: | 1MHz |
| Current - Output: | 600mA |
| Voltage - Output (Max): | 5.5V |
| Series: | -- |
| Voltage - Input (Max): | 5.5V |
| Voltage - Input (Min): | 2.6V |
| Number of Outputs: | 1 |
| Output Type: | Adjustable (Programmable) |
| Topology: | Buck |
| Output Configuration: | Positive |
| Function: | Step-Down |
| Part Status: | Active |
| Packaging: | Tape & Reel (TR) |
Description
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The MAX1557ETB+T is a high performance synchronous step-down switching regulator DC-DC converter. It operates from an input voltage of 2.7V to 5.5V, providing output currents up to 1.5A. This power supply features adjustable output voltage, a programmable switching frequency, and a host of protection features. This regulator is designed for portable equipment and applications requiring low power dissipation and minimal external components.
A big advantage of the MAX1557ETB+T is its ability to be deployed in space-limited and noisy operating environments. Its tiny 6-pin TSOT package allows it to be placed directly onto miniature PCBs with minimal board area. The device also offers high switching efficiency and fast transient response due to its novel current-mode control architecture.
The MAX1557ETB+T application field includes portable applications, microprocessor power supply, telecom systems, and laptop computers. It is also suitable for use in a variety of other applications such as digital cameras, medical devices, and industrial automation.
The working principle of the MAX1557ETB+T is based on current-mode control. This type of control circuit takes the feedback signal of the output voltage and regulates the inductor current to maintain the output in the correct range. The current-mode control architecture offers better performance at higher frequencies, which is especially beneficial to the MAX1557ETB+T because of its wide operating range. The power supply also features programmable switching frequency and on/off control.
The MAX1557ETB+T includes a range of protection features to protect against various faults and hazards. This includes under-voltage lockouts, over-current protection, short-circuit protection, and thermal shutdown. The device also features cycle-by-cycle current limit and hiccup mode over-current protection. This helps ensure continuous operation and reliable operation even in extreme conditions.
Overall, the MAX1557ETB+T is a high performance synchronous step-down switching regulator with a wide operating range, low power dissipation, and advanced protection features. With its adjustable output voltage, programmable switching frequency, and protection functions, the MAX1557ETB+T is a great choice for portable power applications such as those in microprocessor power supply, telecom systems, laptop computers, digital cameras, and industrial automation.
The specific data is subject to PDF, and the above content is for reference
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