LX8821CDF 데이터 시트보기 (PDF) - Microsemi Corporation
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LX8821CDF Datasheet PDF : 6 Pages
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LX8821
TM
®
DUAL CHANNEL 2.5A LOW DROPOUT REGULATOR
PRODUCTION DATA SHEET
CHARACTERISTIC CURVERS
VOUT Error vs. Temperature
0.200%
0.175%
0.150%
Vo2
0.125%
Vo1
0.100%
0.075%
0.050%
0.025%
0.000%
-0.025%
Temp, °C 0
25
50
75
100 125
Dropout Voltage
0.70
0.65
0.60
0.55
0.50
0.45
0.40
0.35
0.30
0.25
0.20
0.15
0.10
0.05
Io ut =2 .5 A
Io ut =1 A
Io ut =0 .5 A
Tem perature (°C)
Quiescent Current
8
7
IL1 &IL2 =5 mA
IL1 &IL2 =2 .5 A
6
5
4
3
2
1
0
Tem perature (°C)
Step Load Response With Ceramic Cap (10µF)
Power On Ramp: Supply Ramp
1
2
3
4
CH1
CH3
2.00V
1.00V
BW CH2
CH4
2.00V
2.00V
BW M 1.00ms
A CH1
800mV
CH1 = VP = VC
CH2 = VO1
CH3 = VO2
CH4 = IP 2A/DIV
Step Load Response With Tantalum Cap (10µF)
CH1 = VO1 , CH2 = V02 , CH4 = IO1 (50mA to 0.55A Step)
CH1 = VO1 , CH2 = V02 , CH4 = IO1 (50mA to 0.55A Step)
Copyright © 2005
Rev. 1.1, 2005-03-09
Microsemi
Microsemi Microelectronics Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 4
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