SI91821DH-33-T1 Vishay, SI91821DH-33-T1 Datasheet - Page 8

• 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
www.vishay.com
8
TYPICAL CHARACTERISTICS (INTERNALLY REGULATED, 25_C UNLESS NOTED)
−0.0
−0.2
−0.4
−0.6
−0.8
−1.0
−1.2
−1.4
−1.6
180
150
120
250
200
150
100
0.6
0.4
0.2
90
60
30
50
0
0
−50
−40 −20
0
−25
85_C
V
1
No Load Current vs. Input Voltage
OUT
Normalized V
Dropout Voltage vs. Temperature
0
= 2.775 V
0
Junction Temperature (_C)
Junction Temperature (_C)
2
20
−40_C
25
Input Voltage (V)
25_C
3
40
OUT
50
vs. Temperature
60
4
75
80
5
100
100
125
6
120
I
I
I
I
OUT
OUT
OUT
OUT
I
I
I
OUT
OUT
OUT
150
140
7
= 300 mA
= 200 mA
= 10 mA
= 0 mA
= 0 mA
= 100 mA
= 300 mA
−0.15
−0.30
−0.45
−0.60
−0.75
1500
1200
0.30
0.15
0.00
180
160
140
120
100
900
600
300
80
60
40
20
0
0
−40 −20
2.0
0
Normalized Output Voltage vs. Load Current
GND Pin Current vs. Temperature and Load
50
2.5
I
OUT
0
Dropout Voltage vs. V
= 200 mA
100
Junction Temperature (_C)
I
I
3.0
OUT
OUT
20
I
OUT
Load Current (mA)
150
= 300 mA
= 200 mA
= 0 mA
40
V
3.5
OUT
60
200
I
S-51147–Rev. E, 20-Jun-05
OUT
I
Document Number: 71614
OUT
4.0
80
= 300 mA
= 10 mA
250
OUT
100
4.5
300
120
350
140
5.0