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SI91843 Datasheet(PDF) 4 Page - Vishay Siliconix

Part # SI91843
Description  150-mA Ultra Low-Noise LDO Regulator With Discharge Option
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

SI91843 Datasheet(HTML) 4 Page - Vishay Siliconix

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background image
SD
3
2
Thin SOT-23, 5-Lead
1
4
5
VIN
GND
VOUT
BP
Si91841/3
Vishay Siliconix
www.vishay.com
4
Document Number: 71447
S-40592—Rev. C, 29-Mar-04
PIN CONFIGURATION
PIN DESCRIPTION
Pin No.
Name
Function
1
VIN
Input supply pin. Bypass this pin with a 1-mF ceramic or tantalum capacitor to ground
2
GND
Ground pin. For better thermal capability, directly connected to large ground plane
3
SD
By applying less than 0.4 V to this pin, the device will be turned off. Connect this pin to
VIN if unused
4
BP
Noise bypass pin. For low noise applications, a 0.01 mF ceramic capacitor should be
connected from this pin to ground.
5
VOUT
Output voltage. Connect COUT between this pin and ground.
ORDERING INFORMATIONSi91841
Part Number
Lead (Pb)-Free
Part Number
Marking Voltage
Temperature
Range
Package
Si91841DT-18-T1
Si91841DT-18-T1—E3
B4LL
1.8
Si91841DT-20-T1
Si91841DT-20-T1—E3
B5LL
2.0
Si91841DT-22-T1
Si91841DT-22-T1—E3
B6LL
2.2
Si91841DT-25-T1
Si91841DT-25-T1—E3
B7LL
2.5
Si91841DT-26-T1
Si91841DT-26-T1—E3
B8LL
2.6
Si91841DT-27-T1
Si91841DT-27-T1—E3
B9LL
2.7
Si91841DT-28-T1
Si91841DT-28-T1—E3
B0LL
2.8
−40 to 85_C
Thin SOT23-5
Si91841DT-285-T1
Si91841DT-285—E3
C1LL
2.85
−40 to 85_C
Thin SOT23-5
Si91841DT-29-T1
Si91841DT-29-T1—E3
C2LL
2.9
Si91841DT-30-T1
Si91841DT-30-T1—E3
C3LL
3.0
Si91841DT-33-T1
Si91841DT-33-T1—E3
C4LL
3.3
Si91841DT-35-T1
Si91841DT-35-T1—E3
C5LL
3.5
Si91841DT-36-T1
Si91841DT-36-T1—E3
C6LL
3.6
Si91841DT-50-T1
Si91841DT-50-T1—E3
C7LL
5.0
Note: LL = Lot Code
ORDERING INFORMATIONSi91843
Part Number
Lead (Pb)-Free
Part Number
Marking Voltage
Temperature
Range
Package
Si91843DT-18-T1
Si91843DT-18-T1—E3
E2LL
1.8
Si91843DT-20-T1
Si91843DT-20-T1—E3
E3LL
2.0
Si91843DT-22-T1
Si91843DT-22-T1—E3
E4LL
2.2
Si91843DT-25-T1
Si91843DT-25-T1—E3
E5LL
2.5
Si91843DT-26-T1
Si91843DT-26-T1—E3
E6LL
2.6
Si91843DT-27-T1
Si91843DT-27-T1—E3
E7LL
2.7
Si91843DT-28-T1
Si91843DT-28-T1—E3
E8LL
2.8
−40 to 85_C
Thin SOT23-5
Si91843DT-285-T1
Si91843DT-285—E3
E9LL
2.85
−40 to 85_C
Thin SOT23-5
Si91843DT-29-T1
Si91843DT-29-T1—E3
E0LL
2.9
Si91843DT-30-T1
Si91843DT-30-T1—E3
F1LL
3.0
Si91843DT-33-T1
Si91843DT-33-T1—E3
F2LL
3.3
Si91843DT-35-T1
Si91843DT-35-T1—E3
F3LL
3.5
Si91843DT-36-T1
Si91843DT-36-T1—E3
F4LL
3.6
Si91843DT-50-T1
Si91843DT-50-T1—E3
F5LL
5.0
Note: LL = Lot Code


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