TYPE | DESCRIPTION |
---|
Mounting Style | Surface Mount |
Frequency | 500 kHz |
Number of Pins | 8 Pin |
Supply Voltage (DC) | 35.0V (max) |
Case/Package | MSOP-8 |
Number of Outputs | 1 Output |
Input Voltage (DC) | 12.0 V |
Output Voltage | 1.265 V |
Output Current | 200 mA |
Number of Channels | 1 Channel |
Number of Positions | 8 Position |
Input Current | 2.00 mA |
Quiescent Current | 2.00 mA |
Number of Regulated Outputs | 1 Output |
Switching Frequency | 500 kHz |
Topology | Buck |
Input Voltage (Max) | 35 V |
Input Voltage (Min) | 2.97 V |
Maximum Duty Cycle | 93 % |
Operating Temperature (Max) | 125 ℃ |
Operating Temperature (Min) | -40 ℃ |
Supply Voltage (Max) | 35 V |
Supply Voltage (Min) | 2.97 V |
Input Voltage | 12 V |
TYPE | DESCRIPTION |
---|
Product Lifecycle Status | Active |
Packaging | Tape & Reel (TR) |
Operating Temperature | -40℃ ~ 125℃ (TJ) |
The LM3477AMM is a high-side N-channel MOSFET Switching Regulator Controller can be used in topologies requiring a high side MOSFET such as buck, inverting (buck-boost) and zeta regulators. Its internal push pull driver allows compatibility with a wide range of MOSFETs. This, the wide input voltage range, use of discrete power components and adjustable current limit allows controller to be optimized for a wide variety of applications. It uses a high switching frequency of 500kHz to reduce the overall solution size. Current-mode control requires only a single resistor and capacitor for frequency compensation. The current-mode architecture also yields superior line and load regulation and cycle-by-cycle current limiting. A 5µA shutdown state can be used for power savings and for power supply sequencing. Other features include internal soft-start and output over voltage protection.
● Adjustable current limit
● 1.5% Reference
● Thermal shutdown
● Frequency compensation optimized with a single capacitor and resistor
● Internal soft-start
● Current mode operation
● Undervoltage lockout with hysteresis
●Device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.
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