参数资料
型号: LTC3499EDD#PBF
厂商: Linear Technology
文件页数: 2/16页
文件大小: 0K
描述: IC REG BOOST SYNC ADJ 0.75A 8DFN
标准包装: 121
类型: 升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 2 V ~ 6 V
输入电压: 1.8 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 1.2MHz
电流 - 输出: 750mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-WFDFN 裸露焊盘
包装: 管件
供应商设备封装: 8-DFN-EP(3x3)
产品目录页面: 1334 (CN2011-ZH PDF)
LTC3499/LTC3499B
ABSOLUTE MAXIMUM RATINGS
(Note 1)
V IN to GND ..................................................... – 7V to 7V
V OUT to GND .............................................. – 0.3V to 7V
SW to V OUT ................................................... – 7V to 1V
SW to GND
DC............................................................... –7V to 7V
Pulsed < 100ns ........................................... –7V to 8V
SHDN to GND................................................. – 7V to 7V
PIN CONFIGURATION
TOP VIEW
FB, SS to GND ............................................. – 0.3V to 7V
Operating Temperature Range
(Notes 3, 4) ......................................... –40°C to 85°C
Storage Temperature Range ................. –65°C to 125°C
Lead Temperature (Soldering, 10 sec)
MSOP .............................................................. 300°C
SHDN
1
8 VC
TOP VIEW
V IN
SW
GND
2
3
4
9
7 FB
6 V OUT
5 SS
SHDN
V IN
SW
GND
1
2
3
4
8
7
6
5
VC
FB
V OUT
SS
DD PACKAGE
8-LEAD (3mm × 3mm) PLASTIC DFN
T JMAX = 125°C, θ JA = 45°C
EXPOSED PAD (PIN 9) IS GND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
MS8 PACKAGE
8-LEAD PLASTIC MSOP
T JMAX = 125°C, θ JA = 160°C/W
LEAD FREE FINISH
LTC3499EDD#PBF
LTC3499BEDD#PBF
LTC3499EMS8#PBF
LTC3499BEMS8#PBF
TAPE AND REEL
LTC3499EDD#TRPBF
LTC3499BEDD#TRPBF
LTC3499EMS8#TRPBF
LTC3499BEMS8#TRPBF
PART MARKING
LBRB
LCDZ
LTBRC
LTCFB
PACKAGE DESCRIPTION
8-Lead (3mm × 3mm) Plastic DFN
8-Lead (3mm × 3mm) Plastic DFN
8-Lead Plastic MSOP
8-Lead Plastic MSOP
TEMPERATURE RANGE
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
–40°C to 85°C
Consult LTC Marketing for parts specified with wider operating temperature ranges.
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 specifications that apply over the full operating temperature
range, otherwis e specifications are at T A = 25°C. V IN = 2.4V, V OUT = 5V, SHDN = 2.4V, T A = T J unless otherwise noted. (Note 3)
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply
V IN
V OUT
Minimum Start-Up Voltage
Output Voltage Adjust Range
l
l
2
1.6
1.8
6
V
V
V FB
FB Voltage
l
1.195
1.220
1.245
V
3499fc
2
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