参数资料
型号: LTC3533EDE#TRPBF
厂商: Linear Technology
文件页数: 3/16页
文件大小: 0K
描述: IC REG BUCK BOOST SYNC ADJ 14DFN
标准包装: 2,500
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 1
输出电压: 1.8 V ~ 5.25 V
输入电压: 1.8 V ~ 5.5 V
PWM 型: Burst Mode?
频率 - 开关: 300kHz ~ 2MHz
电流 - 输出: 2A
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: 14-WFDFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 14-DFN-EP(4x3)
LTC3533
ELECTRICAL CHARACTERISTICS The ● denotes the speci?cations which apply over the full operating
temperature range, otherwise speci?cations are at T A = 25°C. V IN = 3.6V, V OUT = 3.3V, unless otherwise noted.
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Frequency Accuracy
R T = 33.2k
0.7
1
1.3
MHz
Error Amp AVOL
Error Amp Source Current
Error Amp Sink Current
Burst Threshold
80
–20
250
1
dB
μA
μA
V
Burst Input Current
V BURST = 5.5V, V IN = 5.5V
8
μA
RUN/SS Threshold
When IC is Enabled
0.4
0.7
1.4
V
When EA is at Maximum Boost Duty Cycle
1.3
V
RUN/SS Input Current
V RUN = 5.5V
0.01
1
μA
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.
Note2: The LTC3533EDE is guaranteed to meet performance speci?cations
from 0oC to 85oC. Speci?cations over the –40oC to 85oC operating
temperature range are assured by design, characterization and correlation
Note 3: This IC includes over-temperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when over-temperature protection is active.
Continuous operation above the speci?ed maximum operating junction
temperature may result in device degradation or failure.
Note 4: Current Measurements are performed when the outputs are not
switching.
with statistical process controls.
3533f
3
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