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參數(shù)資料
| 型號： | HIP6008CB |
| 廠商： | HARRIS SEMICONDUCTOR |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | FPGA - 100000 SYSTEM GATE 2.5 VOLT - NOT RECOMMENDED for NEW DESIGN |
| 中文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO16 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 209K |
| 代理商： | HIP6008CB |
1
HIP6008
Buck Pulse-Width Modulator (PWM)
Controller and Output Voltage Monitor
The HIP6008 provides complete control and protection for a
DC-DC converter optimized for high-performance
microprocessor applications. It is designed to drive an
N-Channel MOSFET in a standard buck topology. The
HIP6008 integrates all of the control, output adjustment,
monitoring and protection functions into a single package.
The output voltage of the converter is easily adjusted and
precisely regulated. The HIP6008 includes a 4-Input Digital-
to-Analog Converter (DAC) that adjusts the output voltage
from 2.0VDC to 3.5VDC in 0.1V increments. The precision
reference and voltage-mode regulator hold the selected
output voltage to within
±
1.5% over temperature and line
voltage variations.
The HIP6008 provides simple, single feedback loop, voltage-
mode control with fast transient response. It includes a
200kHz free-running triangle-wave oscillator that is
adjustable from below 50kHz to over 1MHz. The error
amplifier features a 15MHz gain-bandwidth product and
6V/
μ
s slew rate which enables high converter bandwidth for
fast transient performance. The resulting PWM duty ratio
ranges from 0% to 100%.
The HIP6008 monitors the output voltage with a window
comparator that tracks the DAC output and issues a Power
Good signal when the output is within
±
10%. The HIP6008
protects against over-current conditions by inhibiting PWM
operation. Built-in over-voltage protection triggers an
external SCR to crowbar the input supply. The HIP6008
monitors the current by using the r
DS(ON)
of the upper
MOSFET which eliminates the need for a current sensing
resistor.
Pinout
HIP6008
(SOIC)
TOP VIEW
Features
Drives N-Channel MOSFET
Operates From +5V or +12V Input
Simple Single-Loop Control Design
- Voltage-Mode PWM Control
Fast Transient Response
- High-Bandwidth Error Amplifier
- Full 0% to 100% Duty Ratio
Excellent Output Voltage Regulation
-
±
1.5% Over Line Voltage and Temperature
4 Bit Digital-to-Analog Output Voltage Selection
- Wide Range . . . . . . . . . . . . . . . . . . .2.0VDC to 3.5VDC
- 0.1V Binary Steps
Power-Good Output Voltage Monitor
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
Power Supply for Pentium, Pentium Pro, PowerPC and
Alpha Microprocessors
High-Power 5V to 3.xV DC-DC Regulators
Low-Voltage Distributed Power Supplies
Alpha is a trademark of Digital Equipment Corporation.
Pentium is a registered trademark of Intel Corporation.
PowerPC is a trademark of IBM.
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
OCSET
SS
VID0
VID1
VID2
VID3
FB
COMP
VSEN
VCC
BOOT
UGATE
PHASE
PGOOD
GND
RT/OVP
Ordering Information
PART NUMBER
TEMP.
RANGE (
o
C)
PACKAGE
PKG.
NO.
HIP6008CB
0 to 70
16 Ld SOIC
M16.15
Data Sheet
March 2000
File Number
4281.2
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
|
Copyright
Intersil Corporation 2000
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