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| 型号： | LTM4603IV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC UMODULE 6A 118-LGA |
| 产品培训模块： | Power Module vs. Discrete DC to DC |
| 软件下载： | LTM4603 Spice Models |
| 产品目录绘图： | LTM Series_15x15x2.8 |
| 设计资源： | LTM4603IV#PBF Footprint.bxl |
| 特色产品： | μModule Products |
| 标准包装： | 119 |
| 系列： | µModule® |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 4.5V |
| 电压 - 输入（最大）： | 20V |
| Voltage - Output 1： | 0.6 ~ 5 V |
| 电流 - 输出（最大）： | 6A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 118-LGA |
| 尺寸/尺寸： | 0.59" L x 0.59" W x 0.11" H（15.0mm x 15.0mm x 2.8mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 85°C |
| 效率： | 93% |
| 产品目录页面： | 2711 (CN2011-ZH PDF) |
LTM4603/LTM4603-1
20V, 6A DC/DC μModule
Regulator with PLL, Output
Tracking and Margining
Complete Switch Mode Power Supply
Wide Input Voltage Range: 4.5V to 20V
6A DC Typical, 8A Peak Output Current
0.6V to 5V Output Voltage
Output Voltage Tracking and Margining
Remote Sensing for Precision Regulation (LTM4603
Typical Operating Frequency: 1MHz
PLL Frequency Synchronization
1.5% Regulation
Current Foldback Protection (Disabled at Start-Up)
Pin Compatible with the LTM4601
Pb-Free (e4) RoHS Compliant Package with Gold
Ultrafast Transient Response
Current Mode Control
Up to 93% Efficiency at 5V IN , 3.3V OUT
Programmable Soft-Start
Output Overvoltage Protection
Small Footprint, Low Profile (15mm × 15mm ×
Telecom and Networking Equipment
Servers
Industrial Equipment
Point of Load Regulation
FEATURES
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Finish Pads
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2.82mm) Surface Mount LGA Package
APPLICATIONS
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TYPICAL APPLICATION
1.5V/6A Power Supply with 4.5V to 20V Input
DESCRIPTION
The LTM ? 4603 is a complete 6A step-down switch mode
DC/DC μModule ? regulator with onboard switching con-
troller, MOSFETs, inductor and all support components.
The device is housed in a small surface mount 15mm ×
15mm × 2.82mm LGA package. Operating over an input
voltage range of 4.5V to 20V, the LTM4603 supports an
output voltage range of 0.6V to 5V as well as output volt-
age tracking and margining. The high efficiency design
delivers 6A continuous current (8A peak). Only bulk input
and output capacitors are needed to complete the design.
The low profile (2.82mm) and light weight (1.7g) package
easily mounts on the unused space on the back side of
PC boards for high density point of load regulation. The
μModule regulator can be synchronized with an external
clock for reducing undesirable frequency harmonics and
allows PolyPhase ? operation for high load currents.
A high switching frequency and adaptive on-time current
mode architecture deliver a very fast transient response
to line and load changes without sacrificing stability. An
onboard remote sense amplifier can be used to accurately
regulate an output voltage independent of load current.
The onboard remote sense amplifier is not available in the
LTM4603-1. The LTM4603/LTM4603-1 are pin compatible
with the 12A LTM4601/LTM4601-1.
L , LT, LTC, LTM, Linear Technology, the Linear logo, μModule and PolyPhase are registered
trademarks and LTpowerCAD is a trademark of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
Efficiency vs Load Current with 12V IN
100
LTM4603
V IN
4.5V TO 20V
C IN
ON/OFF
392k
V IN
PGOOD
RUN
COMP
INTV CC
DRV CC
MPGM
SGND
PLLIN TRACK/SS
V OUT
V FB
MARG0
MARG1
V OUT_LCL
DIFFV OUT
V OSNS+
V OSNS–
PGND f SET
CLOCK SYNC
TRACK/SS CONTROL
100pF
MARGIN
CONTROL
40.2k
V OUT
1.5V
6A
C OUT
95
90
85
80
75
70
65
60
55
50
45
40
0
1
2
3
4
12V IN , 1.2V OUT
12V IN , 1.5V OUT
12V IN , 1.8V OUT
12V IN , 2.5V OUT
12V IN , 3.3V OUT
12V IN , 5V OUT
5 6
7
5% MARGIN
4603 TA01a
LOAD CURRENT (A)
4603 TA01b
4603fb
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM4603V | 制造商:LINER 制造商全称:Linear Technology 功能描述:6A DC/DC μModule with PLL, Output Tracking and Margining |
| LTM4603V-1 | 制造商:LINER 制造商全称:Linear Technology 功能描述:6A DC/DC μModule with PLL, Output Tracking and Margining |
| LTM4604 | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Voltage, 4A DC/DC μModuleTM with Tracking |
| LTM4604A | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low Voltage, 4A DC/DC μModule with Tracking |
| LTM4604AEV#PBF | 功能描述:IC UMODULE DC/DC LV 4A 66-LGA RoHS:是 类别:电源 - 板载 >> DC DC Converters 系列:µModule® 特色产品:VYB Series High Efficiency Converters 3D 型号:VYB15W-Q48-S15 标准包装:63 系列:V-Infinity VYB15W 类型:隔离 输出数:1 电压 - 输入（最小）:18V 电压 - 输入（最大）:75V Voltage - Output 1:15V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:1A 电源（瓦） - 制造商系列:15W 电压 - 隔离:1.5kV（1500V） 特点:具有远程开/关功能和 UVLO 安装类型:通孔 封装/外壳:6-DIP 模块 尺寸/尺寸:2.00" L x 1.00" W x 0.44" H（50.8mm x 25.4mm x 11.3mm） 包装:管件 工作温度:-40°C ~ 85°C 效率:85% 电源（瓦特）- 最大:15W 其它名称:102-2329656-91325R |
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