LX8821 Microsemi Corporation, LX8821 Datasheet - Page 4

• Manufacturer Part Number: LX8821
• Description: Dual Channel 2.5a Low Dropout Regulator
• Manufacturer: Microsemi Corporation

Copyright ¤ 2005
Rev. 1.1, 2005-03-09
Temp, °C
-0.025%
0.200%
0.175%
0.150%
0.125%
0.100%
0.075%
0.050%
0.025%
0.000%
Step Load Response With Ceramic Cap (10µF)
TM
8
7
6
5
4
3
2
1
0
CH1 = V
0
O1
V
, CH2 = V 02
OUT
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: [phone]
Quiescent Current
Error vs. Temperature
25
Tem perature (° C)
Vo2
Vo1
,
CH4 = I
50
O1
(50mA to 0.55A Step)
75
C H A R A C T E R I S T I C C U R V E R S
Microsemi Microelectronics Division
IL1&IL2=5mA
IL1&IL2=2.5A
100
Microsemi
®
125
D
UAL
Step Load Response With Tantalum Cap (10µF)
CH1 = V
C
1
2
3
4
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
HANNEL
CH3
CH1
P
Power On Ramp: Supply Ramp
RODUCTION DATA
O1
CH1 = V
CH2 = V
2.00V
1.00V
, CH2 = V 02
2.5A L
B
Dropout Voltage
W
CH2
CH4
P
O1
Tem perature (°C)
= V
2.00V
2.00V
C
OW
,
CH4 = I
B
W
D
M
CH3 = V
CH4 = I
S
ROPOUT
1.00ms
O1
HEET
(50mA to 0.55A Step)
P
O2
2A/DIV
A
CH1
Iout=2.5A
Iout=1A
Iout=0.5A
R
LX8821
EGULATOR
800mV
Page 4