参数资料
型号: LTC3617EUDD#TRPBF
厂商: Linear Technology
文件页数: 20/20页
文件大小: 0K
描述: IC REG SYNC 6A BUCK 24QFN
标准包装: 2,500
应用: 转换器,DDR,DDR2,DDR3
输入电压: 2.25 V ~ 5.5 V
输出数: 1
输出电压: 可调至 0.5V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-WFQFN 裸露焊盘
供应商设备封装: 24-QFN(3x5)
包装: 带卷 (TR)
LTC3617
TYPICAL APPLICATION
DDR2 Termination, 1MHz
External Start-Up
V IN
2.25V TO 5.5V
R C
6k
C C
2.2nF
22μF
× 4
VDDQ
1.8V
R2
100k
PGOOD
C C1
10pF
R1
365k
SV IN PV IN
RUN VTTR
VDDQIN
RT
LTC3617
SW
PGOOD SGND
ITH PGND
SYNC V FB
L1
0.33μH
V REF
0.9V
0.1μF ±10mA
VTT
0.9V
100μF 47μF ±6A
500mV/DIV
400μs/DIV
VDDQ
V REF /VTT
3617 TA04b
3617 TA04a
L1: COILCRAFT D03316T
RELATE D PARTS
PART NUMBER
LTC3616
LTC3612
LTC3418
LTC3415
LTC3416
LTC3413
LTC3412A
DESCRIPTION
5.5V, 6A (I OUT ) 4MHz Synchronous Step-Down DC/DC
Converter
5.5V, 3A (I OUT ), 4MHz, Synchronous Step-Down DC/DC
Converter
5.5V, 8A (I OUT ), 4MHz, Synchronous Step-Down DC/DC
Converter
5.5V, 7A (I OUT ), 1.5MHz, Synchronous Step-Down DC/DC
Converter
5.5V, 4A (I OUT ), 4MHz, Synchronous Step-Down DC/DC
Converter
5.5V, 3A (I OUT Sink/Source), 2MHz, Monolithic Synchronous
Regulator for DDR/QDR Memory Termination
5.5V, 2.5A (I OUT ), 4MHz, Synchronous Step-Down DC/DC
Converter
COMMENTS
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.6V,
I Q = 70μA, I SD < 1μA, 3mm × 5mm QFN24 Package
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.6V,
I Q = 70μA, I SD <1μA, 3mm × 4mm QFN-20 TSSOP20E Package
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.8V,
I Q = 380μA, I SD <1μA, 5mm × 7mm QFN-38 Package
95% Efficiency, V IN(MIN) = 2.5V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.6V,
I Q = 450μA, I SD <1μA, 5mm × 7mm QFN-38 Package
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.8V,
I Q = 64μA, I SD <1μA, TSSOP20E Package
90% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = V REF /2,
I Q = 280μA, I SD <1μA, TSSOP16E Package
95% Efficiency, V IN(MIN) = 2.5V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.8V,
I Q = 60μA, I SD <1μA, 4mm × 4mm QFN-16 TSSOP16E Package
3617fa
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408)432-1900   FAX: (408) ● www.linear.com ●
20 Linear Technology 434-0507 Corporation
LT 0711 REV A ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2011
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