参数资料
型号: LTC3619BIDD#PBF
厂商: Linear Technology
文件页数: 2/20页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ DL 10DFN
标准包装: 121
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.6 V ~ 5 V
输入电压: 2.5 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 2.25MHz
电流 - 输出: 400mA,800mA
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: 10-WFDFN 裸露焊盘
包装: 管件
供应商设备封装: 10-DFN(3x3)
LTC3619B
ABSOLUTE MAXIMUM RATINGS
(Note 1)
3
RLIM
8 PGOOD2
11
GND
InputSupplyVoltage(V IN ).............................–0.3to6V
V FB1 , V FB2 ........................................ –0.3V to V IN + 0.3V
RUN1, RUN2, RLIM .......................... –0.3V to V IN + 0.3V
SW1, SW2........................................ –0.3V to V IN + 0.3V
PGOOD1, PGOOD2 ........................... –0.3V to V IN + 0.3V
P-channel SW Source Current (DC) (Note 2)
Channel 1 ........................................................ 600mA
Channel 2 ................................................................1A
N-channel SW Source Current (DC) (Note 2)
Channel 1 ........................................................ 600mA
Channel 2 ................................................................1A
PIN CONFIGURATION
TOP VIEW
V FB1 1 10 V FB2
RUN1 2 9 RUN2
11
GND
PGOOD1 4 7 SW2
SW1 5 6 V IN
DD PACKAGE
10-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 40°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
Peak SW Source and Sink Current (Note 2)
Channel 1 ........................................................ 900mA
Channel 2 ............................................................. 2.7A
Operating Junction Temperature Range
(Notes 3, 6, 8) ........................................ –40 to 125°C
Storage Temperature Range .................. –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MSOP Package ................................................. 300°C
Reflow Peak Body Temperature ............................ 260°C
TOP VIEW
V FB1 1 10 V FB2
RUN1 2 9 RUN2
RLIM 3 8 PGOOD2
PGOOD1 4 7 SW2
SW1 5 6 V IN
MSE PACKAGE
10-LEAD PLASTIC MSOP
T JMAX = 125°C, θ JA = 45°C/W
EXPOSED PAD (PIN 11) IS GND, MUST BE SOLDERED TO PCB
LEAD FREE FINISH
LTC3619BEDD#PBF
LTC3619BIDD#PBF
LTC3619BEMSE#PBF
LTC3619BIMSE#PBF
TAPE AND REEL
LTC3619BEDD#TRPBF
LTC3619BIDD#TRPBF
LTC3619BEMSE#TRPBF
LTC3619BIMSE#TRPBF
PART MARKING*
LFFH
LFFH
LTFFJ
LTFFJ
PACKAGE DESCRIPTION
10-Lead (3mm × 3mm) Plastic DFN
10-Lead (3mm × 3mm) Plastic DFN
10-Lead Plastic MSOP
10-Lead Plastic MSOP
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/
ELECTRICAL CHARACTERISTICS The l denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at T A = 25°C (Note 3)
SYMBOL
V IN
V UV
PARAMETER
V IN Operating Voltage Range
V IN Undervoltage Lockout
CONDITIONS
V IN Low to High
l
l
MIN
2.5
TYP
2.1
MAX
5.5
2.5
UNITS
V
V
3619bfb
2
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