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參數資料
| 型號： | LTM4600IV |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩壓器 |
| 英文描述： | 17 A SWITCHING REGULATOR, 800 kHz SWITCHING FREQ-MAX, BGA104 |
| 封裝： | 15 X 15 MM, 2.8 MM HEIGHT, ROHS COMPLIANT, MO-222, LGA-104 |
| 文件頁數： | 1/24頁 |
| 文件大小： | 351K |
| 代理商： | LTM4600IV |
PRERELEASE
LTM4600
1
4600p
Electrical Specifications Subject to Change
LOAD CURRENT (A)
0
EFFICIENCY
(%)
50
60
70
6
10
4600 TA01b
40
30
20
24
8
80
90
100
12
0.6VOUT
1.2VOUT
1.5VOUT
2.5VOUT
3.3VOUT
10A High Efciency
DC/DC Module
The LTM4600 is a complete 10A, DC/DC step down power
supply. Included in the package are the switching control-
ler, power FETs, inductor, and all support components.
Operating over an input voltage range of 4.5V to 20V, the
LTM4600 supports an output voltage range of 0.6V to 5V,
set by a single resistor. This high efciency design delivers
10A continuous current (14A peak), needing no heat sinks
or airow to meet power specications. Only bulk input
and output capacitors are needed to nish the design.
The low prole package (2.8mm) enables utilization of
unused space on the bottom of PC boards for high density
point of load regulation. High switching frequency and an
adaptive on-time current mode architecture enables a very
fast transient response to line and load changes without
sacricing stability. Fault protection features include
integrated overvoltage and short circuit protection with
a defeatable shutdown timer. A built-in soft-start timer is
adjustable with a small capacitor.
The LTM4600 is packaged in a thermally enhanced, compact
(15mm × 15mm) and low prole (2.8mm) over-molded
Land Grid Array (LGA) package suitable for automated
assembly by standard surface mount equipment. The
LTM4600 is Pb-free and RoHS certied.
■
Telecom and Networking Equipment
■
Servers
■
Industrial Equipment
■
Point of Load Regulation
■
Other General Purpose Step Down DC/DC
■
Complete Switch Mode Power Supply
■
Wide Input Voltage Range: 4.5V to 20V
■
10A DC, 14A Peak Output Current
■
Parallel Two Modules for 20A Output Current
■
0.6V to 5V Output Voltage
■
1.5% Regulation
■
Ultrafast Transient Response
■
Current Mode Control
■
Pb-Free (e4) RoHS Compliant Package
■
Up to 92% Efciency
■
Programmable Soft-Start
■
Output Overvoltage Protection
■
Optional Short-Circuit Shutdown Timer
■
Small Footprint, Low Prole (15mm × 15mm ×
2.8mm) Surface Mount LGA Package
10A Module Power Supply with 4.5V to 20V Input
APPLICATIO S
U
FEATURES
DESCRIPTIO
U
TYPICAL APPLICATIO
U
, LTC, LT and LTM are registered trademarks of Linear Technology Corporation.
Module is a trademark of Linear Technology Corporation. All other trademarks are the
property of their respective owners. Protected by U.S. Patents including 5481178,
6100678, 6580258, 5847554, 6304066.
Efciency vs Load Current
with 12VIN (FCB = 0)
VIN
CIN
4600 TA01a
LTM4600
PGND
SGND
VOUT
VOSET
VIN
4.5V TO 20V
VOUT
1.5V
10A
COUT
66.5k
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| LTM4600IV#2DHPBF | 制造商:Linear Technology 功能描述:DC to DC Converter and Switching Regulator Chip |
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