ISL6521EVAL1開發(fā)板套件編程器的評估板-DC/DC與AC/DC（離線）SMPS規(guī)格書PDF中文資料

PWM Buck DC-DC and Triple Linear Power Controller

The ISL6521 provides the power control and protection for four output voltages in low-voltage, high-performance applications. The IC integrates a voltage-mode PWM controller and three linear controllers, as well as monitoring and protection functions into a 16-lead SOIC package.

Features

? Provides 4 Regulated Voltages

- Switching Regulator 20A Capable

- Three Linear Regulators

- Capable of 120mA

- Capable of up to 3A with an External Transistor

? Externally Resistor-Adjustable Outputs

? Simple Single-Loop Control Design

- Voltage-Mode PWM Control

? Fast PWM Converter Transient Response

- High-Bandwidth Error Amplifier

- Full 0 to 100 Duty Ratio

? Excellent Output Voltage Regulation

- All Outputs: ±2 Over Temperature

? Overcurrent Fault Monitors

- Switching Regulator Does Not Require Extra Current

Sensing Element, Uses MOSFET’s rDS(ON)

? Small Converter Size

- 300kHz Constant Frequency Operation

- Small External Component Count

? Commercial and Industrial Temperature Range Support

? Pb-free Available (RoHS Compliant)

Applications

? FPGA and PowerPC?-based boards

? General purpose, low voltage power supplies