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降压转换器,DC-DC,1.5 MHz,600 mA
Lifetime
NCP1521B 步降 PWM DC-DC 转换器用于使用一个锂电池或三个碱性/镍镉/镍氢电池供电的便携式应用。该零部件提供可调输出电压版本,电压范围为 0.9 V 至 3.3 V。它使用同步整流来提高能效和减少外部零部件数量。该器件还具有内置的 1.5 MHz(标称)振荡器,允许使用较小的感应器和电容器,从而减小组件尺寸。自动开关 PWM/PFM 模式提高了系统能效。其他功能包括集成的软启动、逐周期电流限制和高温关断保护等。NCP1521B 采用节省空间的薄型 TSOP5 和 UDFN6 封装。
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CAD Models
Compliance
Package Type
Case Outline
MSL Type
MSL Temp (°C)
Container Type
Container Qty.
ON Target
Topology
Control Mode
VCC Min (V)
VCC Max (V)
VO Typ (V)
IO Typ (A)
Efficiency (%)
fSW Typ (kHz)
Reference Price
Lifetime
Pb
A
H
P
TSOP-5 / SOT-23-5
1
260
REEL
3000
N
Step-Down
Current Mode
2.7
5.5
0.9 to 3.3
0.6
96
1500
$0.2799
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可靠性数据
Die Related Summary Data
Device: NCP1521BSNT1G
Equivalent to wafer fab process: CMOS STD
产品技术
产品技术
等效器件小时
平均故障间隔时间/平均无故障时间(按小时计算)
FITS
CMOS STD
3
3597164517
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Re-calculate Data
Data is based on the following assumptions.
Note: The temperature and confidence level may be adjusted to your requirements.
Disclaimer: A reliability FIT rate calculated using this tool shall not be used for any functional safety purpose. In case a raw FIT rate needs to be estimated for a component which is targeted to be used in a safety critical application (i.e. compliant to ISO 26262 standard) it should be calculated according to generic safety standards (IEC62380, IEC61709, SN29500, FIDES, etc.)