参数资料
型号: LTC3634IFE#TRPBF
厂商: Linear Technology
文件页数: 28/28页
文件大小: 0K
描述: IC CONV DDR DDR2 DDR3 28TSSOP
标准包装: 2,500
应用: 转换器,DDR,DDR2,DDR3
输入电压: 1.4 V ~ 15 V
输出数: 2
输出电压: 0.6 V ~ 3 V
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
供应商设备封装: 28-TSSOP 裸露焊盘
包装: 带卷 (TR)
LTC3634
TYPICAL APPLICATION
V IN
3.6V TO
15V
C1
22μF
V IN1
V IN2
C6
22μF
12V
C1
22μF
V IN1
V IN2
C3
47μF
5V
RT
1μH
SW1
RT
R T
162k
R COMP1
26.4k
C COMP1
560pF
R COMP2
18k
C COMP2
910pF
C2
2.2μF
C4
10pF
C5
10pF
RUN1
RUN2
LTC3634
INTV CC
PHMODE
MODE/SYNC
ITH1
ITH2
SGND PGND
BOOST1
SW1
V ON1
VDDQIN
V FB1
BOOST2
SW2
V FB2
V ON2
VTTR
3634 TA02a
L1
0.1μF
R2
18.2k
R1
12.1k
L2
0.1μF 0.47μH
V REF
C3
0.01μF
V DDQ
1.5V
C OUT1
100μF
×2
V TT
0.75V
C OUT2
100μF
×4
V DDQ
SUPPLY
R1
324k
10k
680pF
C2
2.2μF
10pF
10pF
RUN2
LTC3634
PHMODE
VDDQIN V ON2
ITH2 MODE/SYNC
SGND PGND
RUN1 BOOST1
INTV CC BOOST2
V FB1 SW2
V FB2
ITH1 V ON1
VTTR
3634 TA02b
0.1μF
0.1μF
L1
1.5μH
L2
1.5μH
0.01μF
V TT
V DDQ /2
AT ±6A
C OUT2
100μF
×4
V REF
V DDQ /2
AT ±10mA
Figure 12a. V TT Powered from V DDQ
RELATED PARTS
Figure 12b. 2-Phase V TT Termination Using Two Input Supplies
PART NUMBER
DESCRIPTION
15V, Dual 3A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
15V, 5A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
15V, 2.5A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
15V, 2.5A (I OUT ), 3MHz, Synchronous Step-Down
DC/DC Converter
15V, 1.5A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
COMMENTS
95% Efficiency, V IN(MIN) = 3.6V, V IN(MAX) = 15V, V OUT(MIN) = 0.6V,
I Q = 500μA, I SD <15μA, 4mm × 5mm QFN-28, TSSOP-28E Package
95% Efficiency, V IN(MIN) = 4V, V IN(MAX) = 15V, V OUT(MIN) = 0.6V,
I Q = 2mA, I SD <15μA, 4mm × 4mm QFN-24 Package
95% Efficiency, V IN(MIN) = 3.6V, V IN(MAX) = 15V, V OUT(MIN) = 0.6V,
I Q = 300μA, I SD <15μA, 4mm × 4mm QFN-20, MSOP-16E Package
95% Efficiency, V IN(MIN) = 4.5V, V IN(MAX) = 15V, V OUT(MIN) = 0.6V,
I Q = 75μA, I SD <1μA, 4mm × 4mm QFN-20 MSOP-16E Package
95% Efficiency, V IN(MIN) = 4V, V IN(MAX) = 15V, V OUT(MIN) = 0.6V,
I Q = 300μA, I SD <15μA, 4mm × 4mm QFN-20, MSOP-16E Package
5.5V, 3A (I OUT Sink/Source), 2MHz, Monolithic Synchronous 90% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = V REF /2,
Regulator for DDR/QDR Memory Termination I Q = 280μA, I SD <1μA, TSSOP16E Package
5.5V, 3A, 4MHz, Synchronous Step-Down DC/DC Converter
5.5V, 4A, 4MHz, Synchronous Step-Down DC/DC Converter
5.5V, 6A, 4MHz, Synchronous Step-Down DC/DC Converter
5.5V, Dual 3A, 4MHz, Synchronous Step-Down
DC/DC Converter
38V Dual DC/DC Controller for DDR Power with
V TT Reference
20V, Dual 3A (I OUT ), 4MHz, Synchronous Step-Down
DC/DC Converter
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.6V,
I Q = 75μA, I SD <1μA, 3mm × 4mm QFN-20 TSSOP-20E Package
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.6V,
I Q = 75μA, I SD <1μA, 3mm × 5mm QFN-24 Package
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.6V,
I Q = 75μA, I SD <1μA, 3mm × 5mm QFN-24 Package
95% Efficiency, V IN(MIN) = 2.25V, V IN(MAX) = 5.5V, V OUT(MIN) = 0.6V,
I Q = 130μA, I SD <1μA, 4mm × 4mm QFN-24 TSSOP-24E Package
95% Efficiency, V IN(MIN) = 4.5V, V IN(MAX) = 38V, V PPQ = 1V to 2.5V,
V TT = 1/2 V PPQ , 5mm × 7mm QFN-38, TSSOP-38
95% Efficiency, V IN(MIN) = 3.6V, V IN(MAX) = 20V, I Q = 500μA, I SD <15μA,
4mm × 5mm QFN-28, TSSOP-28E Package
3634fb
1630 McCarthy Blvd., Milpitas, CA 95035-7417 Formore(408)432-1900 ● FAX:(408)434-0507 Corporation information
LT REV B 1213 ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 2011
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