参数资料
型号: LTC3633IUFD#PBF
厂商: Linear Technology
文件页数: 2/28页
文件大小: 0K
描述: IC REG BUCK ADJ 3A DL 28QFN
标准包装: 73
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 14.7 V
输入电压: 3.6 V ~ 15 V
PWM 型: 电流模式,混合
频率 - 开关: 500kHz ~ 4MHz
电流 - 输出: 3A
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: 28-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 28-QFN(4x5)
LTC3633
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN1 , V IN2 ................................................... –0.3V to 16V
V IN1 , V IN2 Transient ...................................................18V
PGOOD1, PGOOD2, V ON1 , V ON2 .................. –0.3V to 16V
BOOST1, BOOST2 ....................................–0.3V to 19.6V
BOOST1-SW1, BOOST2-SW2.................... –0.3V to 3.6V
V2P5, INTV CC , TRACKSS1, TRACKSS2 ...... –0.3V to 3.6V
ITH1, ITH2, RT, MODE/SYNC........–0.3V to INTV CC + 0.3V
PIN CONFIGURATION
TOP VIEW
V FB1 , V FB2 , PHMODE. ..................–0.3V to INTV CC + 0.3V
RUN1, RUN2 .................................... –0.3V to V IN + 0.3V
Operating Junction Temperature Range
(Notes 2, 3) ............................................ –40°C to 125°C
Storage Temperature Range .................. –65°C to 125°C
TOP VIEW
ITH1
TRACKSS1
1
2
28 V ON1
27 SW1
28 27 26 25 24 23
V FB1
3
26 SW1
PGOOD1 1
PHMODE 2
RUN1 3
22 V IN1
21 V IN1
20 BOOST1
PGOOD1
PHMODE
RUN1
4
5
6
25 V IN1
24 V IN1
23 BOOST1
MODE/SYNC 4
RT 5
RUN2 6
29
PGND
19 INTV CC
18 V2P5
17 BOOST2
MODE/SYNC
RT
RUN2
7
8
9
29
PGND
22 INTV CC
21 V2P5
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
19 V IN2
18 V IN2
17 SW2
TRACKSS2 13
ITH2 14
16 SW2
15 V ON2
UFD PACKAGE
28-LEAD (4mm × 5mm) PLASTIC QFN
T JMAX = 125°C, θ JA = 43°C/W
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
FE PACKAGE
28-LEAD PLASTIC TSSOP
T JMAX = 125°C, θ JA = 25°C/W
EXPOSED PAD (PIN 29) IS PGND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC3633EUFD#PBF
LTC3633IUFD#PBF
LTC3633EFE#PBF
LTC3633IFE#PBF
TAPE AND REEL
LTC3633EUFD#TRPBF
LTC3633IUFD#TRPBF
LTC3633EFE#TRPBF
LTC3633IFE#TRPBF
PART MARKING*
3633
3633
LTC3633FE
LTC3633FE
PACKAGE DESCRIPTION
28-Lead (4mm × 5mm) Plastic QFN
28-Lead (4mm × 5mm) Plastic QFN
28-Lead Plastic TSSOP
28-Lead Plastic TSSOP
TEMPERATURE RANGE
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
–40°C to 125°C
Consult LTC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container.
Consult LTC Marketing for information on non-standard lead based finish parts.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specifications, go to: http://www.linear.com/tapeandreel/
3633fc
2
For more information www.linear.com/LTC3633
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