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HIP6302CB 其他数据使用手册 - Intersil（英特矽尔）
制造商:
Intersil（英特矽尔）
分类:
DC/DC转换器
封装:
SOIC-16
描述:
微处理器核心电压调节器多相降压PWM控制器 Microprocessor CORE Voltage Regulator Multi-Phase Buck PWM Controller
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HIP6302CB数据手册
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1
®
FN4766.3
HIP6302
Microprocessor CORE Voltage Regulator
Multi-Phase Buck PWM Controller
The HIP6302 multi-phase PWM control IC together with its
companion gate drivers, the HIP6601, HIP6602 or HIP6603
and Intersil MOSFETs provides a precision voltage
regulation system for advanced microprocessors. Multiphase
power conversion is a marked departure from earlier single
phase converter configurations previously employed to
satisfy the ever increasing current demands of modern
microprocessors. Multi-phase convertors, by distributing the
power and load current results in smaller and lower cost
transistors with fewer input and output capacitors. These
reductions accrue from the higher effective conversion
frequency with higher frequency ripple current due to the
phase interleaving process of this topology. For example, a
two phase convertor operating at 350kHz will have a ripple
frequency of 700kHz. Moreover, greater convertor bandwidth
of this design results in faster response to load transients.
Outstanding features of this controller IC include
programmable VID codes from the microprocessor that
range from 1.100V to 1.850V with a system accuracy of
±1%. Pull up currents on these VID pins eliminates the need
for external pull up resistors. In addition “droop”
compensation, used to reduce the overshoot or undershoot
of the CORE voltage, is easily programmed with a single
resistor.
Another feature of this controller IC is the PGOOD monitor
circuit which is held low until the CORE voltage increases,
during its Soft-Start sequence, to within 10% of the
programmed voltage. Over-voltage, 15% above programmed
CORE voltage, results in the converter shutting down and
turning the lower MOSFETs ON to clamp and protect the
microprocessor. Under voltage is also detected and results
in PGOOD low if the CORE voltage falls 10% below the
programmed level. Over-current protection reduces the
regulator current to less than 25% of the programmed trip
value. These features provide monitoring and protection for
the microprocessor and power system.
Features
• Multi-Phase Power Conversion
• Precision Channel Current Sharing
- Loss Less Current Sampling - Uses r
DS(ON)
• Precision CORE Voltage Regulation
- ±1% System Accuracy Over Temperature
• Microprocessor Voltage Identification Input
- 5-Bit VID Input
- 1.100V to 1.850V in 25mV Steps
- Programmable “Droop” Voltage
• Fast Transient Recovery Time
• Over Current Protection
• High Ripple Frequency, (Channel Frequency) Times
Number Channels . . . . . . . . . . . . . . . . . .100kHz to 3MHz
• Pb-Free Available (RoHS Compliant)
Pinout
HIP6302 (SOIC)
TOP VIEW
Ordering Information
PART NUMBER TEMP. (
o
C) PACKAGE PKG. DWG. #
HIP6302CB 0 to 70 16 Ld SOIC M16.15
HIP6302CBZ
(See Note)
0 to 70 16 Ld SOIC
(Pb-Free)
M16.15
HIP6302CBZA
(See Note)
0 to 70 16 Ld SOIC
(Pb-Free)
M16.15
HIP6302EVAL1 Evaluation Platform
*Add “-T” suffix to part number for tape and reel packaging.
NOTE: Intersil Pb-free products employ special Pb-free material sets; molding
compounds/die attach materials and 100% matte tin plate termination finish,
which are RoHS compliant and compatible with both SnPb and Pb-free
soldering operations. Intersil Pb-free products are MSL classified at Pb-free
peak reflow temperatures that meet or exceed the Pb-free requirements of
IPC/JEDEC J STD-020.
VID4
VID3
VID2
VID1
VID0
FS/DIS
VSEN
PGOOD
PWM1
PWM2
V
CC
FB
ISEN1
COMP ISEN2
GND
14
15
16
9
13
12
11
10
1
2
3
4
5
7
6
8
Data Sheet December 27, 2004
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 321-724-7143
| Intersil (and design) is a registered trademark of Intersil Americas Inc.
Copyright © Intersil Americas Inc. 2003-2004. All Rights Reserved
All other trademarks mentioned are the property of their respective owners.
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