参数资料
型号: HIP6017BCB
厂商: INTERSIL CORP
元件分类: 稳压器
英文描述: FPGA - 100000 SYSTEM GATE 2.5 VOLT - NOT RECOMMENDED for NEW DESIGN
中文描述: SWITCHING CONTROLLER, 215 kHz SWITCHING FREQ-MAX, PDSO28
封装: PLASTIC, MS-013AE, SOIC-28
文件页数: 1/16页
文件大小: 139K
代理商: HIP6017BCB
1
File Number
4585
PRELIMINARY
HIP6017B
Advanced PWM and Dual Linear Power
Control
The HIP6017B provides the power control and protection for
three output voltages in high-performance microprocessor
and computer applications. The IC integrates a PWM
controller, a linear regulator and a linear controller as well as
the monitoring and protection functions into a single 28 lead
SOIC package. The PWM controller regulates the
microprocessor core voltage with a synchronous-rectified
buck converter. The linear controller regulates power for the
GTL bus and the linear regulator provides power for the
clock driver circuits.
The HIP6017B includes an Intel-compatible, TTL 5-input
digital-to-analog converter (DAC) that adjusts the core PWM
output voltage from 2.1VDC to 3.5VDC in 0.1V increments
and from 1.3VDC to 2.05VDC in 0.05V steps. The precision
reference and voltage-mode control provide
±
1% static
regulation. The linear regulator uses an internal pass device
to provide 2.5V
±
2.5%. The linear controller drives an
external N-Channel MOSFET to provide 1.5V
±
2.5%.
The HIP6017B monitors all the output voltages. A single
Power Good signal is issued when the core is within 10% of
the DAC setting and the other levels are above their under-
voltage levels. Additional built-in over-voltage protection for
the core output uses the lower MOSFET to prevent output
voltages above 115% of the DAC setting. The PWM over-
current function monitors the output current by using the
voltage drop across the upper MOSFET’s r
DS(ON)
,
eliminating the need for a current sensing resistor.
Pinout
HIP6017B (SOIC)
TOP VIEW
Features
Provides 3 Regulated Voltages
- Microprocessor Core, Clock and GTL Power
Linear Controller Drives Either N-Channel MOSFETs or
Bipolar Transistors
Operates from +3.3V, +5V and +12V Inputs
Simple Single-Loop PWM Control Design
- Voltage-Mode Control
Fast Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratios
Excellent Output Voltage Regulation
- Core PWM Output:
±
1% Over Temperature
- Other Outputs:
±
2.5% Over Temperature
TTL-Compatible 5-Bit Digital-to-Analog Core Output
Voltage Selection
- Wide Range - 1.3V
DC
to 3.5V
DC
- 0.1V Steps from 2.1V
DC
to 3.5V
DC
- 0.05V Steps from 1.3V
DC
to 2.05V
DC
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 r
DS(ON)
Small Converter Size
- Constant Frequency Operation
- 200kHz Free-Running Oscillator; Programmable from
50kHz to over 1MHz
Applications
Full Motherboard Power Regulation for Computers
Low-Voltage Distributed Power Supplies
NC
NC
VID4
VID3
V33
NC
SS
FAULT/RT
FB2
VCC
PGND
LGATE1
PHASE1
DRIVE3
COMP1
GND
VOUT2
VIN2
UGATE1
28
27
26
25
24
23
22
21
20
19
18
17
16
15
1
2
3
4
5
6
7
8
9
10
11
12
13
14
PGOOD
VID2
GND2
VSEN1
FB3
VID1
VID0
OCSET1
FB1
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
HIP6017BCB
0 to 70
28 Ld SOIC
M28.3
Data Sheet
March 1999
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
www.intersil.com or 407-727-9207
|
Copyright
Intersil Corporation 1999
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