参数资料
型号: LTC3633IUFD#PBF
厂商: Linear Technology
文件页数: 4/28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
ELECTRICAL CHARACTERISTICS
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 LTC3633 is tested under pulsed load conditions such that
T J ≈ T A . The LTC3633E is guaranteed to meet performance specifications
from 0°C to 85°C junction temperature. Specifications over the
–40°C to 125°C operating junction temperature range are assured by
design, characterization and correlation with statistical process controls.
The LTC3633I is guaranteed over the full –40°C to 125°C operating
junction temperature range. Note that the maximum ambient temperature
consistent with these specifications is determined by specific operating
conditions in conjunction with board layout, the rated package thermal
impedance and other environmental factors. The junction temperature
(T J , in °C) is calculated from the ambient temperature (T A , in °C) and
power dissipation (P D , in watts) according to the formula:
T J = T A + (P D ? θ JA ), where θ JA (in °C/W) is the package thermal
impedance.
Note 3: This IC includes overtemperature protection that is intended
to protect the device during momentary overload conditions. Junction
temperature will exceed 125°C when overtemperature protection is active.
Continuous operation above the specified maximum operating junction
temperature may impair device reliability.
Note 4: Dynamic supply current is higher due to the internal gate charge
being delivered at the switching frequency.
3633fc
4
For more information www.linear.com/LTC3633
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