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| 型号： | LTM4628EV#PBF |
| 厂商： | Linear Technology |
| 文件页数： | 1/36页 |
| 文件大小： | 0K |
| 描述： | IC DC/DC UMODULE 16A 144-LGA |
| 软件下载： | LTM4628 Spice Model |
| 设计资源： | LTM4628 Gerber Files LTM4628EV#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： | 2 |
| 电压 - 输入（最小）： | 4.5V |
| 电压 - 输入（最大）： | 26.5V |
| Voltage - Output 1： | 5.5V |
| Voltage - Output 2： | 5.5V |
| 电流 - 输出（最大）： | 8A，8A |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 144-BLGA |
| 尺寸/尺寸： | 0.59" L x 0.59" W x 0.17" H（15.0mm x 15.0mm x 4.3mm） |
| 包装： | 管件 |
| 工作温度： | -40°C ~ 125°C |
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LTM4628
Dual 8A or Single 16A
DC/DC μModule Regulator
Complete Standalone Dual Power Supply
Single 16A or Dual 8A Output
Wide Input Voltage Range: 4.5V to 26.5V
Output Voltage Range: 0.6V to 5.5V
±1.5% Total DC Output Error
Differential Remote Sense Amplifier
Current Mode Control/Fast Transient Response
Adjustable Switching Frequency
Overcurrent Foldback Protection
Multiphase Parallel Current Sharing with
Frequency Synchronization
Internal Temperature Sensing Diode Output
Selectable Burst Mode ? Operation
Soft-Start/Voltage Tracking
Output Overvoltage Protection
Small Surface Mount Footprint, Low Profile
Telecom and Networking Equipment
Storage and ATCA Cards
Industrial Equipment
FEATURES
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Multiple LTM4628s
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15mm × 15mm × 4.32mm LGA and
15mm × 15mm × 4.92mm BGA Packages
APPLICATIONS
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DESCRIPTION
The LTM ? 4628 is a complete dual 8A output switching
mode DC/DC power supply and can be easily configured
to provide a single 2-phase 16A output. Included in the
package are the switching controller, power FETs, inductor,
and all supporting components. Operating from an input
voltage range of 4.5V to 26.5V, the LTM4628 supports
two outputs each with an output voltage range of 0.6V to
5.5V, set by a single external resistor. Its high efficiency
design delivers 8A continuous current for each output.
Only a few input and output capacitors are needed.
The device supports frequency synchronization, multi-
phase operation, Burst Mode operation and output voltage
tracking for supply rail sequencing. It has an onboard
temperature diode for device temperature monitoring.
High switching frequency and a current mode architec-
ture enable a very fast transient response to line and load
changes without sacrificing stability.
Fault protection features include overvoltage and over-
current protection. The power module is offered in space
saving and thermally enhanced 15mm × 15mm × 4.32mm
LGA and 15mm × 15mm × 4.92mm BGA packages. The
LTM4628 is available with SnPb (BGA) or RoHS compli-
ant terminal finish.
L , LT, LTC, LTM, Linear Technology, the Linear logo, μModule, Burst Mode and PolyPhase
are registered and LTpowerCAD is a trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners.
TYPICAL APPLICATION
Dual 8A, 1.5V and 1.2V Output DC/DC μModule ? Regulator
4.7μF
Efficiency and Power Loss
at 12V Input
V IN
4.5V TO
26.5V
*
10k
10μF
35V
× 4
120k
MODE_PLLIN CLKOUT INTV CC
V IN
TEMP
RUN1
RUN2
EXTV CC PGOOD1
V OUT1
V OUTS1
DIFFOUT
SW1
100μF
6.3V
V OUT1
1.5V AT 8A
470μF
6.3V
95
90
85
80
1.2V
1.5V
EFFICIENCY
2.0
1.8
1.6
1.4
*
5.1V ZENER
0.1μF
* PULL-UP RESISTOR AND
ZENER ARE OPTIONAL.
100k
TRACK1
TRACK2
f SET
PHASMD
SGND
GND
LTM4628
DIFFP
DIFFN
V FB1
V FB2
COMP1
COMP2
V OUTS2
V OUT2
SW2
PGOOD2
60.4k
100μF
6.3V
40.2k
470μF
6.3V
V OUT2
1.2V AT 8A
4628 TA01a
75
70
65
60
55
50
0
1
2
POWER LOSS
3 4 5 6
LOAD CURRENT (A)
7 8
4628 TA01b
1.2
1.0
0.8
0.6
0.4
0.2
0
4628fe
For more information www.linear.com/LTM4628
1
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LTM4628IV#PBF | 功能描述:IC DC/DC UMODULE 16A 144-LGA 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）:21V 电压 - 输入（最大）:32V Voltage - Output 1:5V 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-SlimMod 尺寸/尺寸:4.60" L x 1.80" W x 0.52" H（116.8mm x 45.7mm x 13.2mm） 包装:散装 工作温度:-25°C ~ 85°C 效率:* 电源（瓦特）- 最大:* |
| LTM4628IVPBF | 制造商:LINEAR_DIMENSIONS 制造商全称:LINEAR_DIMENSIONS 功能描述:Dual 8A or Single 16A DC/DC ??Module Regulator |
| LTM4628IY#PBF | 制造商:Linear Technology 功能描述:IC DC/DC UMODULE 16A 144-BGA 制造商:Linear Technology 功能描述:DP-uModule, Dual 8A or Single 16A DC/DC uModule Regulator |
| LTM4630EV#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER DUAL 0.6-1.8 65W 制造商:Linear Technology 功能描述:BUCK UMODULE 15VIN 18A LGA 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, LGA-144, Primary Input Voltage:15V, No. of Outputs:2 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, LGA-144, Primary Input Voltage:15V, No. of Outputs:2, Output Current:36A, No. of Pins:144, Operating Temperature Min:-40C, Operating Temperature Max:125C, MSL:MSL 3 - 168 hours, Package / Case:144-LGA , RoHS Compliant: Yes |
| LTM4630IV#PBF | 制造商:Linear Technology 功能描述:DC/DC CONVERTER DUAL 0.6-1.8 65W 制造商:Linear Technology 功能描述:BUCK UMODULE 15VIN 18A LGA 制造商:Linear Technology 功能描述:DC-DC REGULATOR, BUCK, ADJ, LGA-144, Primary Input Voltage:15V, No. of Outputs:2, Output Current:36A, No. of Pins:144, Operating Temperature Min:-40C, Operating Temperature Max:125C, MSL:MSL 3 - 168 hours, Package / Case:144-LGA , RoHS Compliant: Yes |
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