参数资料
型号: LT3653EDCB#TRPBF
厂商: Linear Technology
文件页数: 3/12页
文件大小: 0K
描述: IC REG BUCK ADJ 1.2A 8DFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 4.8 V ~ 6 V
输入电压: 7.5 V ~ 30 V
PWM 型: 电流模式
频率 - 开关: 1.5MHz
电流 - 输出: 1.2A
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: 8-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 8-DFN(3x2)
LT3653
ELECTRICAL CHARACTERISTICS The l denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C; V IN = 12V, V BOOST = 17V, V SW = 0V, R ILIM = 33.2k, unless otherwise noted.
PARAMETER
V C Clamp Voltage
Switch Peak Current Limit
Switch V CESAT
Boost Diode Drop
Boost Pin Current
CONDITIONS
V OUT = 0V
(Note 4)
I SW = 1A
I DIODE = 60mA
I SW = 1A
MIN
TYP
1.75
2
275
0.9
28
MAX
1.2
UNITS
V
A
mV
V
mA
HVOK Output Voltage High
HVOK Output Voltage Low
I HVOK = 1mA
I HVOK = –2μA
l
l
4
4.4
5
0.25
V
V
Note 1: Stresses beyond those listed under Absolute Maximum Ratings
may cause permanent damage to the device. Exposure to any Absolute
Maximum Rating condition for extended periods may affect device
reliability and lifetime.
Note 2: The LT3653E is guaranteed to meet performance speci?cations
from 0°C to 125°C. Speci?cations over the –40°C to 125°C operating
temperature range are assured by design, characterization, and correlation
with statistical process controls. The LT3653I speci?cations are
guaranteed over the full –40°C to 125°C temperature range. High junction
temperatures degrade operating lifetimes. Operating lifetime is derated at
Note 3: Absolute Maximum Voltage at V IN pin is 60V for non-repetitive
1 second transients.
Note 4: Switch Peak Current Limit guaranteed by design and/or correlation
to static test.
Note 5: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed the maximum operating junction temperature
when overtemperature protection is active. Continuous operation above
the speci?ed maximum operating junction temperature may impair device
reliability.
junction temperatures greater than 125°C.
3653f
3
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