SI91821 Vishay Siliconix, SI91821 Datasheet - Page 7

• Manufacturer Part Number: SI91821
• Description: Micropower 300-mA CMOS LDO Regulator With Error Flag
• Manufacturer: Vishay Siliconix

Document Number: 71614
S-51147–Rev. E, 20-Jun-05
TYPICAL CHARACTERISTICS (INTERNALLY REGULATED, 25_C UNLESS NOTED)
250
200
150
100
50
0
0
V
OUT
Dropout Voltage vs. Load Current
100
= 2.775 V
Si91821DH-AD-T1
Si91821DH-18-T1
Si91821DH-25-T1
Si91821DH-28-T1
Si91821DH-30-T1
Si91821DH-33-T1
Si91821DH-50-T1
Part Number
Standard
200
I
LOAD
Si91821DB
Eval Kit
(mA)
300
Si91821DH-AD-T1—E3
Si91821DH-18-T1—E3
Si91821DH-25-T1—E3
Si91821DH-28-T1—E3
Si91821DH-30-T1—E3
Si91821DH-33-T1—E3
Si91821DH-50-T1—E3
Lead (Pb)-Free
Part Number
ORDERING INFORMATION
400
Temperature Range
500
−40 to 85_C
Marking
1821
1800
1821
2500
1821
2800
1821
3000
1821
3300
1821
5000
1821
ADJ
Voltage
Adjustable
1.80 V
2.50 V
2.80 V
3.00 V
3.30 V
5.00 V
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
Temperature
V
R
OUT
−40 to 85_C
LOAD
Board Type
Surface Mount
Range
1
= 2.775 V
= 16.5 W
Dropout Characteristic
2
Package
Vishay Siliconix
MSOP-8
V
IN
3
(V)
4
Si91821
www.vishay.com
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6
7