SI91821DH-33-T1 Vishay, SI91821DH-33-T1 Datasheet - Page 10

• Manufacturer Part Number: SI91821DH-33-T1
• Description: IC, LDO VOLT REG, 3.3V, 0.3A, MSOP-8
• Manufacturer: Vishay

Specifications of SI91821DH-33-T1

• 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
• 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