HIP6019CB中文資料瑞薩數(shù)據(jù)手冊PDF規(guī)格書

Features

? Provides 4 Regulated Voltages

- Microprocessor Core, I/O, Clock Chip and GTL Bus

? Drives N-Channel MOSFETs

? Operates from +5V and +12V Inputs

? Simple Single-Loop Control Designs

- Voltage-Mode PWM Control

? Fast Transient Response

- High-Bandwidth Error Amplifiers

- Full 0 to 100 Duty Ratios

? Excellent Output Voltage Regulation

- Core PWM Output: ?1 Over Temperature

- I/O PWM Output: ?2 Over Temperature

- Other Outputs: ?2.5 Over Temperature

? TTL-Compatible 5-Bit Digital-to-Analog Core Output

Voltage Selection

- Wide Range . . . . . . . . . . . . . . . . . . . 1.8VDC to 3.5VDC

- 0.1V Steps . . . . . . . . . . . . . . . . . . . . 2.1VDC to 3.5VDC

- 0.05V Steps . . . . . . . . . . . . . . . . . . 1.8VDC to 2.05VDC

? Power-Good Output Voltage Monitor

? Microprocessor Core Voltage Protection Against Shorted

MOSFET

? Over-Voltage and Over-Current Fault Monitors

- Does Not Require Extra Current Sensing Element,

Uses MOSFET’s rDS(ON)

? Small Converter Size

- Constant Frequency Operation

- 200kHz Free-Running Oscillator; Programmable from

50kHz to 1MHz

Applications

? Full Motherboard Power Regulation for Computers

? Low-Voltage Distributed Power Supplies