SI91821 Datasheet, PDF (7/10 Pages) Vishay Siliconix – Micropower 300-mA CMOS LDO Regulator With Error Flag

Si91821
Vishay Siliconix
Standard
Part Number
Si91821DH-18-T1
Si91821DH-25-T1
Si91821DH-28-T1
Si91821DH-30-T1
Si91821DH-33-T1
Si91821DH-50-T1
Si91821DH-AD-T1
ORDERING INFORMATION
Lead (Pb)-Free
Part Number
Temperature
Marking Voltage
Range
Si91821DH-18-T1—E3
1821
1800
1.80 V
Si91821DH-25-T1—E3
1821
2500
2.50 V
Si91821DH-28-T1—E3
1821
2800
2.80 V
Si91821DH-30-T1—E3
1821
3000
3.00 V
−40 to 85_C
Si91821DH-33-T1—E3
1821
3300
3.30 V
Si91821DH-50-T1—E3
1821
5000
5.00 V
Si91821DH-AD-T1—E3
1821
ADJ
Adjustable
Package
MSOP-8
Eval Kit
Si91821DB
Temperature Range
−40 to 85_C
Board Type
Surface Mount
TYPICAL CHARACTERISTICS (INTERNALLY REGULATED, 25_C UNLESS NOTED)
Dropout Voltage vs. Load Current
250
V_OUT = 2.775 V
200
150
100
50
0
0
100
200
300
400
500
I_LOAD (mA)
Dropout Characteristic
3.5
3.0 ^{VOUT = 2.775 V}
R_LOAD = 16.5 W
2.5
2.0
1.5
1.0
0.5
0.0
0
1
2
3
4
5
6
V_IN (V)
Document Number: 71614
S-51147–Rev. E, 20-Jun-05
www.vishay.com
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