参数资料
型号: LTC3616EUDD#TRPBF
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 6A 24QFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 5.5 V
输入电压: 2.25 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 300kHz ~ 4MHz
电流 - 输出: 6A
同步整流器:
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
包装: 带卷 (TR)
供应商设备封装: 24-QFN 裸露焊盘(3x5)
LTC3616
TYPICAL APPLICATION
DDR Termination With Ratiometric Tracking of V DD , 1MHz
Ratiometric Start-Up
R3
100k
R C
C C C C1
2.2nF
10pF
L1: COILCRAFT DO3316T
V IN
3.3V
V DD
1.8V
C1
22μF
× 4
R6
562k
R7
187k
PGOOD
R4
1M
R5
1M
R8
SV IN PV IN
RUN
TRACK/SS SRLIM/DDR
RT/SYNC
365k LTC3616
PGOOD SW
6k SGND
ITH PGND
MODE V FB
R2
200k
L1
0.33μH
R1
200k
C3
22pF
C4
100μF
3616 TA04a
C5
47μF
500mV/DIV
V TT
0.9V
±3A
500μs/DIV
V DD
V TT
3616 TA04b
RELATE D PARTS
PART NUMBER
DESCRIPTION
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
5.5V, 3A (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) = 0.8V,
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 = 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
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
1630 McCarthy Blvd., Milpitas, CA 95035-7417 Formore(408)432-1900 ● FAX:(408)434-0507 Corporation information
28 Linear Technology ● www.linear.com/LTC3616 www.linear.com/LTC3616
3616fb
LT 1113 REV B ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2010
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