参数资料
型号: LTC3834EFE#TRPBF
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM CM 20TSSOP
标准包装: 2,500
PWM 型: 电流模式
输出数: 1
频率 - 最大: 580kHz
占空比: 99.4%
电源电压: 4 V ~ 36 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: 20-TSSOP(0.173",4.40mm 宽)裸露焊盘
包装: 带卷 (TR)
LTC3834
TYPICAL APPLICATION
0.01μF
CLKOUT
PLLLPF
RUN
PGOOD
TRACK/SS
V IN
TG
C B
0.22μF
M1
C IN
10μF
V IN
4V TO 36V
560pF
54k
150pF
I TH
LTC3834
BOOST
SW
D B
CMDSH-3
L1
3.2μH
0.012Ω
V OUT
3.3V
5A
C OUT
150μF
SGND
INTV CC
68.1k
215k
39pF
PLLIN/MODE
V FB
SENSE –
SENSE +
EXTV CC
BG
PGND
4.7μF
M2
3834 F11
M1, M2: Si4840DY
L1: CDEP105-2R2M
C OUT : SANYO 10TPD150M
Figure 11. High Ef?ciency Step-Down Converter
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PART NUMBER
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DESCRIPTION
High Ef?ciency Synchronous Step-Down Switching Regulator
No R SENSE ? Current Mode Synchronous Step-Down
Controllers
Dual, 2-Phase, DC/DC Controller with Output Tracking
High Ef?ciency, 2-Phase, Synchronous Step-Down Switching
Regulators
Dual, 550kHz, 2-Phase Synchronous Step-Down Controller
20A to 200A, 550kHz PolyPhase Synchronous Controller
3- to 12-Phase Step-Down Synchronous Controller
High Voltage Synchronous Regulator Controller
30μA I Q , Dual, 2-Phase Synchronous Step-Down Controller
Low I Q Dual Synchronous Controller
Low IQ Synchronous Step-Down Controller
High Voltage Current Mode Controller with Programmable
Operating Frequency
Low I Q Synchronous Step-Down Controller
Dual, 2-Phase Synchronous Step-Down DC/DC Controller
COMMENTS
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
Current Mode, No R SENSE , Up/Down Tracking, Synchronizable
2-Phase Operation; 4V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ 14V,
99% Duty Cycle, 5mm × 5mm QFN, SSOP-28
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
V IN up to 60V, I OUT ≤ 20A, Current Mode, Onboard Bias Regulator,
Burst Mode Operation, 16-Lead TSSOP Package
2-Phase Operation; 30μA One Channel No-Load I Q (50μA Total),
4V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ 10V
2-Phase Operation; 115μA Total No Load I Q , 4V ≤ V IN ≤ 36V 80μA
No-Load I Q with One Channel On
80μA No Load IQ, 4V ≤ V IN ≤ 36V, 0.8V ≤ V OUT ≤ 10V
V IN up to 60V, I OUT ≤ 5A Onboard Bias Regulator, Burst Mode
Operation, Sync Capability, 16-Lead TSSOP Package
4V ≤ V IN ≤ 60V, 1.23V ≤ V OUT ≤ 36V, 120μA Quiescent Current
2-Phase Operation; 4V ≤ V IN ≤ 24V, 95% Ef?ciency, No R SENSE
Option, I OUT up to 20A, 4mm × 4mm QFN
No R SENSE is a trademark of Linear Technology Corporation.
3834fb
28 Linear Technology Corporation
(408) 432-1900 ● FAX: (408) 434-0507 www.linear.com
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417
LT 0608 REV B ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2007
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LTC3834EGN-1#PBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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)
LTC3834EGN-1#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 16-SSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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)
LTC3834EUFD#PBF 功能描述:IC REG CTRLR BUCK PWM CM 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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
LTC3834EUFD#TRPBF 功能描述:IC REG CTRLR BUCK PWM CM 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 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
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