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參數(shù)資料
| 型號： | ADP3152AR |
| 廠商： | ANALOG DEVICES INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | ECONOLINE: REC3-S_DRW(Z)/H4,H6 - Safety standards and approval: EN 60950 certified, rated for 250VAV (LVD test report)- Applied for Ul 1950 Component Recognised Certification- 3W DIP Package- 4kVDC & 6kVDC Isolation- Regulated Output- Continuous Short Circiut Protection Auto-Restarting |
| 中文描述： | SWITCHING CONTROLLER, 250 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | SOIC-16 |
| 文件頁數(shù)： | 1/12頁 |
| 文件大小： | 274K |
| 代理商： | ADP3152AR |
REV. 0
Information furnished by Analog Devices is believed to be accurate and
reliable. However, no responsibility is assumed by Analog Devices for its
use, nor for any infringements of patents or other rights of third parties
which may result from its use. No license is granted by implication or
otherwise under any patent or patent rights of Analog Devices.
a
ADP3152
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781/329-4700
World Wide Web Site: http://www.analog.com
Fax: 781/326-8703
Analog Devices, Inc., 1998
5-Bit Programmable Synchronous
Switching Regulator Controller
for Pentium
II Processor
FEATURES
5-Bit Digitally Programmable 1.8 V to 3.5 V Output
Voltage
Dual N-Channel Synchronous Driver
Total Output Accuracy
6
1% (0
8
C to 70
8
C)
High Efficiency
Current-Mode Operation
Short Circuit Protection
Power Good Output
Integrated Overvoltage Protection Crowbar
16-Lead SOIC Package
VRM 8.2 Compatible
APPLICATIONS
Desktop PC Power Supply for:
Pentium II Processor
Pentium Pro Processor
Pentium Processor
AMD–K6 Processor
VRM Modules
GENERAL DESCRIPTION
The ADP3152 is a highly efficient synchronous switching regu-
lator controller optimized for Pentium II Processor applications
where 5 V is stepped down to a digitally controlled output volt-
age between 1.8 V and 3.5 V. Using a 5-bit DAC to read a
voltage identification (VID) code directly from the processor,
the ADP3152 uses a current mode constant off-time architec-
ture to generate its precise output voltage.
The ADP3152 drives two N-channel MOSFETS in a synchro-
nous rectified buck converter, at a maximum switching fre-
quency of 250 kHz. Using the recommended loop compensation
and guidelines, the ADP3152 provides a dc/dc converter that
meets Intel’s stringent transient specifications with a minimum
number of output capacitors and smallest footprint. Additionally,
the current mode architecture also provides guaranteed short
circuit protection and adjustable current limiting.
V
CC
SD
DRIVE1
SENSE+
SENSE–
DRIVE2
PGND
VID0–VID4
AGND
C
T
CMP
V
+12V
1
m
F
22
m
F
R1
R2
150pF
5-BIT CODE
IRL3103
V
IN
+5V
+C
IN
10BQ015
L
2.5
m
H
IRL3103
+C
O
V
1.8V–3.5V
14A
R
6.7m
V
1nF
ADP3152
C
COMP
Figure 1. Typical Application
Pentium is a registered trademark of Intel Corporation.
All other trademarks are the property of their respective holders.
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| ADP3153 | 制造商:AD 制造商全稱:Analog Devices 功能描述:5-Bit Programmable Dual Power Supply Controller for Pentium II Processor |
| ADP3153ARU | 制造商:AD 制造商全稱:Analog Devices 功能描述:5-Bit Programmable Dual Power Supply Controller for Pentium II Processor |
| ADP3153ARU-REEL | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| ADP3153ARU-REEL7 | 制造商:Rochester Electronics LLC 功能描述:- Tape and Reel |
| ADP3154 | 制造商:AD 制造商全稱:Analog Devices 功能描述:5-Bit Programmable Dual Power Supply Controller for Pentium III Processors |
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