参数资料
型号: LTC3828EUH#TRPBF
厂商: Linear Technology
文件页数: 32/32页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 32-QFN
标准包装: 2,500
系列: PolyPhase®
PWM 型: 电流模式
输出数: 2
频率 - 最大: 590kHz
占空比: 99.4%
电源电压: 4.5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 85°C
封装/外壳: 32-WFQFN 裸露焊盘
包装: 带卷 (TR)
LTC3828
TYPICAL APPLICATION
I IN
12V IN
I 1
C IN
I IN *
OPEN
PHASMD
TG1
BUCK: 2.5V/15A
U1
90°
TG2
LTC3729
CLKOUT
180°
I 2
BUCK: 2.5V/15A
2.5V O /30A
I 1
I 2
I 3
I 3
U2
90°
TG1
TG2
LTC3828
PLLIN
90°
270°
I 4
BUCK: 1.5V/15A
BUCK: 1.8V/15A
1.5V O /15A
1.8V O /15A
I 4
*INPUT RIPPLE CURRENT CANCELLATION
INCREASES THE RIPPLE FREQUENCY AND
REDUCES THE RMS INPUT RIPPLE CURRENT
3828 F16
THUS, SAVING INPUT CAPACITORS
Figure 16. Multioutput PolyPhase Application
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PART NUMBER
DESCRIPTION
COMMENTS
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Reduces C IN and C OUT , Power Good Output Signal, Synchronizable,
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LTC1629/
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20A to 200A PolyPhase ? Synchronous Controllers
No R SENSE 2-Phase Dual Synchronous Step-Down
Controller
2-Phase, Dual Synchronous Controller with Mobile VID
High Ef?ciency, 2-Phase Synchronous Step-Down
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High Ef?ciency Synchronous Step-Down
Switching Regulator
No R SENSE ? Current Mode Synchronous Step-Down
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Controller
20A to 200A, 550kHz PolyPhase Synchronous
Controller
3- to 12-Phase Step-Down Synchronous Controller
Fast, No R SENSE Step-Down Synchronous Controller
with Margining, Tracking, PLL
3.5V ≤ V IN ≤ 36V, I OUT up to 20A, 0.8V ≤ V OUT ≤ 5V
Expandable from 2-Phase to 12-Phase, Uses All
Surface Mount Components, No Heat Sink, V IN up to 36V
550kHz, No Sense Resistor
3.5V ≤ V IN ≤ 36V, V ID Sets V OUT1 , PGOOD
1.3V ≤ V OUT ≤ 3.5V, Current Mode Ensures
Accurate Current Sharing, 3.5V ≤ V IN ≤ 36V
Output Fault Protection, 16-Pin SSOP
Up to 97% Ef?ciency, 4V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ (0.9)(V IN ),
I OUT up to 20A
Up to 42A, Uses All Surface Mount Components,
No Heat Sinks, 3.5V ≤ V IN ≤ 36V
Current Mode, No R SENSE , Up/Down Tracking, Synchronizable
Up to 97% Ef?ciency, Ideal for Pentium ? III Processors,
0.925V ≤ V OUT ≤ 2V, 4V ≤ V IN ≤ 36V, I OUT up to 20A
Dual 180° Phased Controllers, V IN 3.5V to 35V, 99% Duty Cycle,
5mm × 5mm QFN, SSOP-28
Expandable from 2-Phase to 12-Phase, Uses all Surface Mount
Components, V IN up to 36V
60A to 240A Output Current, 0.6V ≤ V OUT ≤ 6V, 4.5V ≤ V IN ≤ 32V
± 0.67% 0.6V Reference Voltage; Programmable Margining; True
Current Mode; 4V ≤ V IN ≤ 32V
PolyPhase is a registered trademark of Linear Technology Corporation. No R SENSE is a trademark of Linear Technology Corporation.
3828fc
32 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0109 REV C ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2005
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LTC3829EFE#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 38TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:4,500 系列:PowerWise® PWM 型:控制器 输出数:1 频率 - 最大:1MHz 占空比:95% 电源电压:2.8 V ~ 5.5 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:6-WDFN 裸露焊盘 包装:带卷 (TR) 配用:LM1771EVAL-ND - BOARD EVALUATION LM1771 其它名称:LM1771SSDX
LTC3829EUHF#PBF 功能描述:IC REG CTRLR BUCK PWM CM 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:PolyPhase® 标准包装:2,500 系列:- PWM 型:电流模式 输出数:1 频率 - 最大:500kHz 占空比:96% 电源电压:4 V ~ 36 V 降压:无 升压:是 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 125°C 封装/外壳:24-WQFN 裸露焊盘 包装:带卷 (TR)
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