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| 型号： | LTM4608AEV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/26页 |
| 文件大小： | 0K |
| 描述： | IC BUCK SYNC ADJ 8A 68LGA |
| 产品培训模块： | Power Module vs. Discrete DC to DC |
| 软件下载： | LTM4608A Spice Model |
| 产品目录绘图： | LTM Series_9x15x2.8 |
| 设计资源： | DC1400A Design Files LTM4608AEV#PBF Footprint.bxl |
| 特色产品： | μModule Products DC/DC μModule Regulator Family |
| 标准包装： | 170 |
| 系列： | µModule® |
| 类型： | 非隔离（POL） |
| 输出数： | 1 |
| 电压 - 输入（最小）： | 2.7V |
| 电压 - 输入（最大）： | 5.5V |
| Voltage - Output 1： | 0.6 ~ 5 V |
| 电流 - 输出（最大）： | 8A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 68-LGA |
| 尺寸/尺寸： | 0.59" L x 0.35" W x 0.11" H（15.0mm x 9.0mm x 2.8mm） |
| 包装： | 托盘 |
| 工作温度： | -40°C ~ 125°C |
| 效率： | 98% |
| 产品目录页面： | 2711 (CN2011-ZH PDF) |
| 配用： | DC1400A-ND - BOARD EVAL LTM4608 |
LTM4608A
Low V IN , 8A DC/DC μModule
Regulator with Tracking, Margining,
and Frequency Synchronization
Complete Standalone Power Supply
± 1.75% Total DC Output Error (–55°C to 125°C)
2.7V to 5.5V Input Voltage Range
8A DC, 10A Peak Output Current
0.6V Up to 5V Output
Output Voltage Tracking and Margining
Power Good Tracks Margining
Multiphase Operation
Parallel Current Sharing
Onboard Frequency Synchronization
Spread Spectrum Frequency Modulation
Overcurrent/Thermal Shutdown Protection
Current Mode Control/Fast Transient Response
Selectable Burst Mode ? Operation
Up to 95% Efficiency
Output Overvoltage Protection
Small, Low Profile 9mm × 15mm × 2.82mm
Telecom, Networking and Industrial Equipment
Storage Systems
Point of Load Regulation
FEATURES
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LGA Package (0.630mm Pads)
APPLICATIONS
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L , LT, LTC, LTM, Linear Technology, the Linear logo, Burst Mode, 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. Protected by U.S. Patents
including 5481178, 6580258, 6304066, 6127815, 6498466, 6611131.
TYPICAL APPLICATION
DESCRIPTION
The LTM ? 4608A is a complete 8A switch mode DC/DC
power supply with ±1.75% total output voltage error. In-
cluded in the package are the switching controller, power
FETs, inductor and all support components. Operating
over an input voltage range of 2.7V to 5.5V, the LTM4608A
supports an output voltage range of 0.6V to 5V, set by a
single external resistor. This high efficiency design delivers
up to 8A continuous current (10A peak). Only bulk input
and output capacitors are needed to complete the design.
The low profile package (2.82mm) enables utilization
of unused space on the back side of PC boards for high
density point-of-load regulation. The 0.630mm LGA pads
with 1.27mm pitch simplify PCB layout by providing stan-
dard trace routing and via placement. The high switching
frequency and current mode architecture enable a very
fast transient response to line and load changes without
sacrificing stability. The device supports frequency syn-
chronization, programmable multiphase and/or spread
spectrum operation, output voltage tracking for supply
rail sequencing and voltage margining.
Fault protection features include overvoltage protection,
overcurrent protection and thermal shutdown. The power
module is offered in a compact and thermally enhanced
9mm × 15mm × 2.82mm surface mount LGA package.
The LTM4608A is RoHS compliant with Pb-free finish.
Efficiency vs Load Current
2.7V to 5.5V Input to 1.8V Output DC/DC μModule ? Regulator
CLKIN
100
95
V OUT = 1.8V
V IN
2.7V TO 5.5V
10μF
V IN
SV IN
SW
RUN
CLKIN
LTM4608A
V OUT
FB
I TH
I THM
4.87k
V OUT
1.8V
100μF
90
85
80
V IN = 3.3V
V IN = 5V
PLLLPF
TRACK
PGOOD
MGN
PGOOD
75
CLKOUT GND SGND
4608A TA01a
70
0
2
4 6
8
10
LOAD CURRENT (A)
4608A TA01b
4608afd
1
相关PDF资料 |
PDF描述 |
|---|---|
| LTM4608IV#PBF | IC DC/DC UMODULE 8A 68-LGA |
| LTM4609IV#PBF | IC BUCK/BOOST SYNC ADJ 4A 141LGA |
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| LTM4613MPV#PBF | IC UMODULE DC/DC 8A 133-LGA |
| LTM4614IV#PBF | IC UMODULE DC/DC DUAL 4A 144LGA |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM4608AIV#PBF | 功能描述:IC BUCK SYNC ADJ 8A 68LGA RoHS:是 类别:电源 - 板载 >> DC DC Converters 系列:µModule® 设计资源:VI-200, VI-J00 Design Guide, Appl Manual 标准包装:1 系列:* 类型:隔离 输出数:1 电压 - 输入（最小）:55V 电压 - 输入（最大）:100V Voltage - Output 1:5.8V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:100W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:9 针半砖 BusMod 尺寸/尺寸:2.36" L x 2.28" W x 1.08" H（59.9mm x 57.9mm x 27.4mm） 包装:散装 工作温度:-25°C ~ 100°C 效率:* 电源（瓦特）- 最大:* |
| LTM4608AIV#PBF | 制造商:Linear Technology 功能描述:DC/DC MICRO MODULE IC |
| LTM4608AIV-PBF | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low VIN, 8A DC/DC μModule with Tracking, Margining, and Frequency Synchronization |
| LTM4608AMPV | 制造商:LINER 制造商全称:Linear Technology 功能描述:Low VIN, 8A DC/DC μModule with Tracking, Margining, and Frequency Synchronization |
| LTM4608AMPV#PBF | 功能描述:IC BUCK SYNC ADJ 8A 68LGA RoHS:是 类别:电源 - 板载 >> DC DC Converters 系列:µModule® 设计资源:VI-200, VI-J00 Design Guide, Appl Manual 标准包装:1 系列:* 类型:隔离 输出数:1 电压 - 输入（最小）:66V 电压 - 输入（最大）:160V Voltage - Output 1:12V Voltage - Output 2:- Voltage - Output 3:- 电流 - 输出（最大）:* 电源（瓦） - 制造商系列:50W 电压 - 隔离:* 特点:* 安装类型:通孔 封装/外壳:9-FinMod 尺寸/尺寸:4.60" L x 1.86" W x 0.79" H（116.8mm x 47.2mm x 20.1mm） 包装:散装 工作温度:-25°C ~ 85°C 效率:* 电源（瓦特）- 最大:* |
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