参数资料
型号: LTC3614EUDD#TRPBF
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 10.5 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PQCC24
封装: 3 X 5 MM, LEAD FREE, PLASTIC, QFN-24
文件页数: 24/30页
文件大小: 438K
代理商: LTC3614EUDD#TRPBF
LTC3614
30
3614fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507 www.linear.com
LINEAR TECHNOLOGY CORPORATION 2010
LT 1110 REV A PRINTED IN USA
RELATED PARTS
TYPICAL APPLICATION
DDR Termination With Ratiometric Tracking of VDD, 1MHz
Ratiometric Start-Up
PART NUMBER
DESCRIPTION
COMMENTS
LTC3616
5.5V, 6A (IOUT) 4MHz Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.6V,
IQ = 70μA, ISD < 1μA, 3mm × 5mm QFN24 Package
LTC3612
5.5V, 3A (IOUT), 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.6V,
IQ = 70μA, ISD <1μA, 3mm × 4mm QFN-20 TSSOP20E Package
LTC3418
5.5V, 8A (IOUT), 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.8V,
IQ = 380μA, ISD <1μA, 5mm × 7mm QFN-38 Package
LTC3415
5.5V, 7A (IOUT), 1.5MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN(MIN) = 2.5V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.6V,
IQ = 450μA, ISD <1μA, 5mm × 7mm QFN-38 Package
LTC3416
5.5V, 4A (IOUT), 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.8V,
IQ = 64μA, ISD <1μA, TSSOP20E Package
LTC3413
5.5V, 3A (IOUT Sink/Source), 2MHz, Monolithic Synchronous
Regulator for DDR/QDR Memory Termination
90% Efciency, VIN(MIN) = 2.25V, VIN(MAX) = 5.5V, VOUT(MIN) = VREF/2,
IQ = 280μA, ISD <1μA, TSSOP16E Package
LTC3412A
5.5V, 3A (IOUT), 4MHz, Synchronous Step-Down DC/DC
Converter
95% Efciency, VIN(MIN) = 2.5V, VIN(MAX) = 5.5V, VOUT(MIN) = 0.8V,
IQ = 60μA, ISD <1μA, 4mm × 4mm QFN-16 TSSOP16E Package
RUN
TRACK/SS
RT/SYNC
PGOOD
SGND
PGND
VIN
3.3V
VDD
1.8V
SRLIM/DDR
SVIN
LTC3614
SW
PVIN
L1
0.33μH
R1
200k
C3
22pF
R2
200k
3614 TA04a
MODE
VFB
C4
100μF
C5
47μF
CC1
10pF
C1
22μF
4
CC
2.2nF
VTT
0.9V
±3A
R3
100k
R8
365k
R5
1M
L1: COILCRAFT DO3316T
R4
1M
RC
6k
R7
187k
R6
562k
ITH
500mV/DIV
500μs/DIV
3614 TA04b
VDD
VTT
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