SI91821DH-277-T1 Vishay, SI91821DH-277-T1 Datasheet - Page 10
![IC, LDO VOLT REG, 2.77V, 0.3A, MSOP-8](/photos/18/99/189923/3833557_sml.gif)
SI91821DH-277-T1
Manufacturer Part Number
SI91821DH-277-T1
Description
IC, LDO VOLT REG, 2.77V, 0.3A, MSOP-8
Manufacturer
Vishay
Datasheet
1.SI91821DH-277-T1.pdf
(11 pages)
Specifications of SI91821DH-277-T1
Primary Input Voltage
6V
Output Voltage Fixed
2.77V
Dropout Voltage Vdo
105mV
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
2.77 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
Contains lead / RoHS non-compliant
Si91821
Vishay Siliconix
Vishay Siliconix maintains worldwide manufacturing capability. Products may be manufactured at one of several qualified locations. Reliability data for Silicon Technology and
Package Reliability represent a composite of all qualified locations.
http://www.vishay.com/ppg?71614.
www.vishay.com
10
TYPICAL WAVEFORMS
ERROR 2 V/div
V
OUT
V
200 mV/div
IN
2 V/div
2 V/div
100 ms/div
10 ms/div
V
V
I
C
BW = 10 Hz to 1 MHz
Turn-On Sequence
V
V
C
I
OUT
LOAD
IN
OUT
NOISE
IN
OUT
NOISE
Output Noise
= 3.80 V
= 4 V
= 300 mA
= 2.775 V
= 2.775 V
= 300 mA
= 0.033 mF
= 0.033 mF
For related documents such as package/tape drawings, part marking, and reliability data, see
CH-3 2 V/div
CH-1 2 V/div
CH-2 2 V/div
ERROR
mV
V
20.0
0.01
OUT
V
IN
Hz
20 ms/div
10 Hz
V
V
C
IN
OUT
NOISE
Turn-Off Sequence
V
V
C
I
LOAD
Noise Spectrum
IN
OUT
= 3.80 V
NOISE
= 2.775 V/10 mA
= 4 V
= 0.033 mF
= 2.775 V
= 300 mA
= 0.033 mF
S-51147–Rev. E, 20-Jun-05
Document Number: 71614
1 MHz