SI91821DH-33-T1-E3 Vishay, SI91821DH-33-T1-E3 Datasheet - Page 9
![IC, LDO VOLT REG, 3.3V, 0.3A, MSOP-8](/photos/18/99/189923/3833557_sml.gif)
SI91821DH-33-T1-E3
Manufacturer Part Number
SI91821DH-33-T1-E3
Description
IC, LDO VOLT REG, 3.3V, 0.3A, MSOP-8
Manufacturer
Vishay
Datasheet
1.SI91821DH-277-T1.pdf
(11 pages)
Specifications of SI91821DH-33-T1-E3
Primary Input Voltage
6V
Output Voltage Fixed
3.3V
Dropout Voltage Vdo
120mV
No. Of Pins
8
Output Current
300mA
Operating Temperature Range
-40°C To +85°C
Termination Type
SMD
Number Of Outputs
1
Polarity
Positive
Input Voltage Max
6 V
Output Voltage
3.3 V
Output Type
Fixed
Dropout Voltage (max)
0.02 V at 10 mA
Line Regulation
10 mV
Load Regulation
30 mV
Voltage Regulation Accuracy
1.5 %
Maximum Power Dissipation
0.666 W
Maximum Operating Temperature
+ 85 C
Mounting Style
SMD/SMT
Package / Case
MSOP-8
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Document Number: 71614
S-51147–Rev. E, 20-Jun-05
TYPICAL WAVEFORMS
100 mA/div
100 mA/div
10 mV/div
10 mV/div
10 mV/div
2 V/div
5.00 ms/div
20 ms/div
5.00 ms/div
I
I
V
V
V
LOAD
LOAD
OUT
OUT
OUT
V
IN
Load Transient Response-1
Load Transient Response-3
LineTransient Response-1
V
V
C
C
I
t
LOAD
rise
INSTEP
OUT
OUT
IN
V
C
I
t
V
C
I
t
LOAD
rise
LOAD
rise
= 2.2 mF
OUT
OUT
= 5 msec
OUT
OUT
= 2.2 mF
= 300 mA
= 2.775 V
= 2 msec
= 2 msec
= 4.77 to 5.77 V
= 2.2 mF
= 1 to 150 mA
= 1.0 mF
= 1 to 150 mA
= 2.775 V
= 2.775 V
100 mA/div
100 mA/div
10 mV/div
10 mV/div
10 mV/div
2 V/div
5.00 ms/div
20 ms/div
I
5.00 ms/div
I
V
V
V
V
LOAD
LOAD
OUT
OUT
OUT
OUT
Load Transient Response-2
Load Transient Response-4
LineTransient Respons-2
V
V
C
C
I
t
LOAD
fall
INSTEP
OUT
OUT
IN
V
C
I
t
V
C
I
t
LOAD
fall
LOAD
fall
= 5 msec
OUT
OUT
= 2.2 mF
OUT
OUT
= 2 msec
= 2 msec
= 2.2 mF
= 300 mA
= 2.775 V
= 2.2 mF
= 1.0 mF
= 150 to 1 mA
= 150 to 1 mA
= 5.77 to 4.77 V
= 2.775 V
= 2.775 V
Vishay Siliconix
Si91821
www.vishay.com
9