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A8450KLB PDF预览

A8450KLB

更新时间: 2024-01-12 10:06:41
品牌 Logo 应用领域
急速微 - ALLEGRO 线性稳压器IC调节器电源电路光电二极管输出元件
页数 文件大小 规格书
15页 547K
描述
Automotive Multioutput Voltage Regulator

A8450KLB 技术参数

生命周期:ObsoleteReach Compliance Code:unknown
风险等级:5.84特性阻抗:50 Ω
最大输入功率 (CW):43.98 dBm最大工作频率:4000 MHz
最小工作频率:最高工作温度:125 °C
最低工作温度:-55 °C射频/微波设备类型:FIXED ATTENUATOR
最大电压驻波比:1.35Base Number Matches:1

A8450KLB 数据手册

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A8450  
Automotive Multioutput Voltage Regulator  
Timing Diagrams  
VREG  
VHYSV33  
VOUTV33  
VUVLOV33  
VHYSVADJ  
VOUTVADJ  
VUVLOVADJ  
tPOR  
VNPOR  
tPOR  
A B  
Slope of V  
and V  
from A to B determined by I and output capacitor (C3, C4).  
LOAD  
OUTV33  
OUTVADJ  
Figure 1a. NPOR fault due to undervoltage lockout on the V33 or FB pins  
VBB  
VREG  
VUVLOVREG  
VOUTV33  
VUVLOV33  
VREG Monitor  
VOUTVADJ  
VENBAT  
VENB  
VNPOR  
tPOR  
tPOR  
POR event initiates  
V33 can sustain regulation with normal load by bulk capacitor (COUT) on V  
.
REG  
Figure 1b. Power-off using VBB  
+7 V  
VCP  
VBB > 6 V  
VREG  
VREG = 1.8 V  
VOUTV5A/V5D  
VUVLO(33)  
VOUTV33  
VOUTVADJ  
VNPOR  
VENBAT  
VENB  
ENBAT signals power-on  
Charge pump ramping  
Charge pump OK flag set  
tSS  
exceeded; VADJ enabled  
tPOR  
V
UVLOV33  
ENB signals power-off  
A
B
Slope of V  
REG  
(which controls V  
, V  
, and V ) from A to B determined by I  
OUTVADJ  
and COUT.  
LOAD  
OUTV33  
OUTV5A/V5D  
Figure 1c. Power-on using ENBAT, followed by power-off using ENB  
Allegro MicroSystems, Inc.  
5
115 Northeast Cutoff, Box 15036  
A8450KLB-DS, Rev. 1  
Worcester, Massachusetts 01615-0036 (508) 853-5000  
www.allegromicro.com  

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