参数资料
型号: LTC3634IFE#PBF
厂商: Linear Technology
文件页数: 2/28页
文件大小: 0K
描述: IC CONV DDR DDR2 DDR3 28TSSOP
标准包装: 50
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: 管件
LTC3634
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN1 , V IN2 ................................................... –0.3V to 16V
V IN1 , V IN2 Transient (Note 2) .......................... ............18V
PGOOD1, PGOOD2, V ON1 , V ON2 ................. –0.3V to 16V
VTTR, INTV CC , TRACKSS, VDDQIN .......... –0.3V to 3.6V
ITH1, ITH2, RT, MODE/SYNC ..... –0.3V to INTV CC + 0.3V
V FB1 , V FB2 , PHMODE .................. –0.3V to INTV CC + 0.3V
BOOST1-SW1, BOOST2-SW2.................... –0.3V to 3.6V
BOOST1, BOOST2 ....................................–0.3V to 19.6V
RUN1, RUN2 .................................... –0.3V to V IN + 0.3V
PIN CONFIGURATION
TOP VIEW
SW Source and Sink Current (DC) (Note 3) ................3A
Operating Junction Temperature Range (Notes 4, 5, 8)
LTC3634E, LTC3634I ......................... –40°C to 125°C
LTC3634H .......................................... –40°C to 150°C
LTC3634MP ....................................... –55°C to 150°C
Storage Temperature Range .................. – 65°C to 150°C
Lead Temperature
(Soldering, 10 sec, TSSOP Package)..................... 260°C
TOP VIEW
ITH1
TRACKSS
1
2
28 V ON1
27 SW1
PGOOD1 1
PHMODE 2
RUN1 3
MODE/SYNC 4
RT 5
RUN2 6
28 27 26 25 24 23
29
PGND
22 V IN1
21 V IN1
20 BOOST1
19 INTV CC
18 VTTR
17 BOOST2
V FB1
PGOOD1
PHMODE
RUN1
MODE/SYNC
RT
RUN2
3
4
5
6
7
8
9
29
PGND
26 SW1
25 V IN1
24 V IN1
23 BOOST1
22 INTV CC
21 VTTR
20 BOOST2
SGND 7
PGOOD2 8
9 10 11 12 13 14
16 V IN2
15 V IN2
SGND 10
PGOOD2 11
V FB2 12
VDDQIN 13
ITH2 14
19 V IN2
18 V IN2
17 SW2
16 SW2
15 V ON2
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
T JMAX = 150°C, θ JA = 43°C/W
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
FE PACKAGE
28-LEAD PLASTIC TSSOP
T JMAX = 150°C, θ JA = 25°C/W
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
3634fb
2
For more information www.linear.com/LTC3634
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