参数资料
型号: LTC3876EFE#PBF
厂商: Linear Technology
文件页数: 48/48页
文件大小: 0K
描述: IC CTLR DC/DC DDR DUAL 38-TSSOP
产品培训模块: LTC3876 Dual DC/DC Controller
标准包装: 50
应用: 控制器,DDR,DDR2,DDR3
输入电压: 4.5 V ~ 38 V
输出数: 2
输出电压: 可调
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 38-TFSOP (0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 38-TSSOP 裸露焊盘
包装: 管件

LTC3876
TYPICAL APPLICATION
4.5V to 5.5V Input, VDDQ 1.5V/20A and VTT 0.75V/±10A Output, 1.2MHz, R SENSE , Step-Down Converter
V IN
4.5V TO 5.5V
C IN1
180μF
C IN2
10μF
3
2.2Ω
100Ω
1μF
LTC3876
V IN
SENSE1 – SENSE2 –
100Ω
100Ω
1nF
649Ω
SENSE1 +
SENSE2 +
1nF
100Ω
0.1μF
BOOST1
BOOST2
0.1μF
VDDQ
R31
0.002Ω
L1
0.18μH
MT1
DB1
TG1
TG2
DB2
MT2
L2
0.22μH
R32
0.003Ω
VTT
1.5V
20A
C OUT1
100μF
C OUT2
330μF
2
MB1
2.2Ω
1μF
4.7μF
SW1
DRV CC1
INTV CC
BG1
SW2
DRV CC2
EXTV CC
BG2
V IN
MB2
C OUT4
330μF
0.75A
±10A
C OUT3
100μF
PGND
30.1k
VDDQSNS
V OUTSENSE1+
VTTRVCC
1μF
100k
20k
PGOOD
0.01μF
V OUTSENSE1–
PGOOD
VTTSNS
VTTR
2.2μF
VTTR
±50mA
39pF
TRACK/SS1
120pF
68.1k
150pF
ITH1
ITH2
270pF
33.2k
C IN1 : SANYO 16SVP180M
C IN2 : MURATA GRM32DR61E106KA12L
32.4k
DTR1
V RNG1
RT
SGND
RUN
CVCC
V RNG2
PHASMD
MODE/PLLIN
CLKOUT
C OUT2 , C OUT4 : SANYO 2R5TPE330M9
C OUT1 , C OUT3 : MURATA GRM31CR60J107ME39L
DB1, DB2: CENTRAL SEMI CMDSH-3
L1: TOKO FCUL1040-H-R18M
L2: TOKO FDUE0640-R22M
MT1, MB1, MB2:INFINEON BSC0901NS
MT2: INFINEON BSC050NE2LS
3876 TA02
RELATED PARTS
PART NUMBER
DESCRIPTION
COMMENTS
LTC3776
Dual, 2-Phase, No R SENSE ?, Synchronous Controller for 2.75V ≤ V IN ≤ 9.8V, V OUT Tracks One-Half V REF , 4mm × 4mm QFN-24, SSOP-24
DDR/QDR Memory Termination
LTC3717
LTC3718
LTC3831
LTC3413
LTC3833
LTC3838
LTC3634
LTC3617
LTC3618
High Power DDR Memory Termination Regulator
Bus Termination Supply for Low Voltage V IN
High Power DDR Memory Termination Regulator
3A Monolithic DDR Memory Termination Regulator
Fast Controller On-Time, High Frequency Synchronous
Step-Down Controller with Diff Amp
Dual, Fast, Accurate Step-Down DC/DC Controller with
Differential Output Sensing
15V Dual 3A Monolithic DDR Memory Termination
6A Monolithic DDR Memory Termination
Dual 3A Monolithic DDR Memory Termination
4V ≤ V IN ≤ 36V, V OUT Tracks One-Half V IN or V REF
1.5V ≤ V IN , Supplies 5V Gate Drive for N-Channel MOSFETs
V OUT Tracks One-Half V IN or V REF , 3V ≤ V IN ≤ 8V
2.25V ≤ V IN ≤ 5.5V, TSSOP-16E
Up to 2MHz Operating Frequency 4.5V < V IN < 38V, 0.6V < V OUT < 5.5V,
3mm × 4mm QFN-20, TSSOP-20E
Up to 2MHz Operating Frequency 4.5V < V IN < 38V, 0.6V < V OUT < 5.5V,
5mm × 7mm QFN-38, TSSOP-38E
3.6V ≤ V IN ≤ 15V, 4mm × 5mm QFN-28, TSSOP-28E
2.25V ≤ V IN ≤ 5.5V, 3mm × 5mm QFN-24
2.25V ≤ V IN ≤ 5.5V, 4mm × 4mm QFN-24, TSSOP-24
3876f
1630  McCarthy  Blvd.,  Milpitas,  CA  95035-7417 (408)432-1900 ● FAX: (408) 434-0507     www.linear.com ●
48 Linear Technology Corporation
LT 1111 ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2011
相关PDF资料
PDF描述
LTC3878EGN#PBF IC REG CTRLR BUCK PWM CM 16-SSOP
LTC3879EUD#PBF IC REG CTRLR BUCK PWM CM 16-QFN
LTC3880EUJ-1#PBF IC REG CTRLR BUCK PWM CM 40-QFN
LTC3890EUH#PBF IC REG CTRLR BUCK PWM CM 32-QFN
LTC3891EFE#PBF IC REG CTRLR BUCK PWM CM 20TSSOP
相关代理商/技术参数
参数描述
LTC3876EUHF#PBF 功能描述:IC CTLR DC/DC DDR DUAL 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器,Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN(7x7) 包装:管件
LTC3876EUHF#TRPBF 功能描述:IC CTLR DC/DC DDR DUAL 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器,Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN(7x7) 包装:管件
LTC3876IFE#PBF 功能描述:IC CTLR DC/DC DDR DUAL 38-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器,Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN(7x7) 包装:管件
LTC3876IFE#TRPBF 功能描述:IC CTLR DC/DC DDR DUAL 38-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器,Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN(7x7) 包装:管件
LTC3876IUHF#PBF 功能描述:IC CTLR DC/DC DDR DUAL 38-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 标准包装:43 系列:- 应用:控制器,Intel VR11 输入电压:5 V ~ 12 V 输出数:1 输出电压:0.5 V ~ 1.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:48-VFQFN 裸露焊盘 供应商设备封装:48-QFN(7x7) 包装:管件