Part | RoHS | Manufacturer | Regulator Type | No. of Terminals | Package Code | Terminal Form | Maximum Voltage Tolerance | Total Dose (V) | Package Body Material | Surface Mount | Operating Temperature (TJ-Max) | Maximum Input-Output Voltage Differential | No. of Functions | Technology | Screening Level | Package Shape | Operating Temperature (TJ-Min) | Packing Method | Minimum Output Voltage-1 | Package Style (Meter) | Package Equivalence Code | Maximum Line Regulation (%/V) | Sub-Category | Adjustability | Terminal Pitch | Maximum Operating Temperature | Maximum Load Regulation (%) | Minimum Input-Output Voltage Differential | Minimum Operating Temperature | Terminal Finish | Terminal Position | Maximum Output Voltage-1 | JESD-30 Code | Moisture Sensitivity Level (MSL) | Maximum Seated Height | Width | Qualification Status | Minimum Input Voltage | Maximum Output Current-1 | JESD-609 Code | Maximum Time At Peak Reflow Temperature (s) | No. of Outputs | Peak Reflow Temperature (C) | Nominal Dropout Voltage-1 | Length | Maximum Input Voltage |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
125 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
0 Cel |
37 V |
CYLINDRICAL |
CAN3/4,.2 |
.07 |
Other Regulators |
ADJUSTABLE |
1.5 % |
3 V |
GOLD |
BOTTOM |
1.2 V |
O-MBCY-W3 |
1 |
4.7 mm |
Not Qualified |
40 V |
1.5 A |
e4 |
1 |
3 V |
4.2 V |
||||||||||||
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-92 |
WIRE |
1.4 % |
PLASTIC/EPOXY |
NO |
125 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-25 Cel |
BULK |
1.2 V |
CYLINDRICAL |
SIP3,.1,50 |
.07 |
Other Regulators |
ADJUSTABLE |
1.27 mm |
1.5 % |
3 V |
MATTE TIN |
BOTTOM |
37 V |
O-PBCY-W3 |
5.34 mm |
4.3 mm |
Not Qualified |
40 V |
.1 A |
e3 |
1 |
2.2 V |
4.3 mm |
4.2 V |
||||||||
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
4 % |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
Other Regulators |
ADJUSTABLE |
4.699 mm |
150 Cel |
1 % |
3 V |
-55 Cel |
GOLD |
BOTTOM |
37 V |
O-MBCY-W3 |
1 |
4.7 mm |
8.255 mm |
Not Qualified |
40 V |
1.5 A |
e4 |
1 |
3 V |
8.255 mm |
4.2 V |
||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-92 |
WIRE |
PLASTIC/EPOXY |
NO |
125 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-25 Cel |
BULK |
1.2 V |
CYLINDRICAL |
SIP3,.1,50 |
.07 |
Other Regulators |
ADJUSTABLE |
1.27 mm |
1.5 % |
3 V |
TIN LEAD |
BOTTOM |
37 V |
O-PBCY-W3 |
1 |
Not Qualified |
.1 A |
e0 |
40 |
1 |
260 |
3 V |
||||||||||||
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
125 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
0 Cel |
37 V |
CYLINDRICAL |
CAN3/4,.2 |
.07 |
Other Regulators |
ADJUSTABLE |
1.5 % |
3 V |
GOLD |
BOTTOM |
1.2 V |
O-MBCY-W3 |
1 |
4.7 mm |
Not Qualified |
40 V |
1.5 A |
e4 |
1 |
3 V |
4.2 V |
||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
125 Cel |
50 V |
1 |
BIPOLAR |
MIL-STD-883 |
ROUND |
-55 Cel |
TRAY |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
Other Regulators |
ADJUSTABLE |
4.699 mm |
1 % |
3 V |
BOTTOM |
47 V |
O-MBCY-W3 |
1 |
8.255 mm |
Not Qualified |
.5 A |
1 |
3 V |
8.255 mm |
|||||||||||||
Linear Technology |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
MIL-STD-883 |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
Other Regulators |
ADJUSTABLE |
125 Cel |
1 % |
3 V |
-55 Cel |
Tin/Lead (Sn/Pb) |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
1.5 A |
e0 |
1 |
3 V |
|||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
MIL-STD-883 |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
3 V |
BOTTOM |
37 V |
O-MBCY-W3 |
1 |
Not Qualified |
|||||||||||||||||||||||||
|
National Semiconductor |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
125 Cel |
50 V |
1 |
BIPOLAR |
ROUND |
0 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.07 |
Other Regulators |
ADJUSTABLE |
1.5 % |
3 V |
Nickel/Gold (Ni/Au) |
BOTTOM |
47 V |
O-MBCY-W3 |
1 |
Not Qualified |
1.5 A |
e4 |
40 |
1 |
260 |
3 V |
||||||||||||||
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
1 |
BIPOLAR |
MIL-M-38510 Class B |
ROUND |
-55 Cel |
37 V |
CYLINDRICAL |
ADJUSTABLE |
BOTTOM |
1.2 V |
O-MBCY-W3 |
1 |
4.7 mm |
Not Qualified |
40 V |
1.5 A |
1 |
4.2 V |
||||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
125 Cel |
50 V |
1 |
ROUND |
0 Cel |
1.2 V |
CYLINDRICAL |
3 V |
BOTTOM |
47 V |
O-MBCY-W3 |
1.5 A |
|||||||||||||||||||||||||||||
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
4 % |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
Other Regulators |
ADJUSTABLE |
4.699 mm |
150 Cel |
1 % |
3 V |
-55 Cel |
GOLD |
BOTTOM |
37 V |
O-MBCY-W3 |
1 |
4.7 mm |
8.255 mm |
Not Qualified |
40 V |
1.5 A |
e4 |
1 |
3 V |
8.255 mm |
4.2 V |
||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
4 % |
30k Rad(Si) |
METAL |
NO |
150 Cel |
1 |
BIPOLAR |
MIL-PRF-38535 Class V |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
ADJUSTABLE |
Tin/Lead (Sn/Pb) |
BOTTOM |
37 V |
O-MBCY-W3 |
1 |
4.7 mm |
Not Qualified |
40 V |
1.5 A |
e0 |
NOT SPECIFIED |
1 |
NOT SPECIFIED |
3 V |
-4.2 V |
||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
2 |
WIRE |
METAL |
NO |
150 Cel |
50 V |
1 |
MIL-STD-883 |
ROUND |
-55 Cel |
1.2 V |
FLANGE MOUNT |
3 V |
BOTTOM |
47 V |
O-MBFM-W2 |
1.5 A |
||||||||||||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
2 |
WIRE |
METAL |
NO |
125 Cel |
50 V |
1 |
ROUND |
0 Cel |
1.2 V |
FLANGE MOUNT |
3 V |
BOTTOM |
47 V |
O-MBFM-W2 |
1.5 A |
|||||||||||||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
150 Cel |
1 |
BIPOLAR |
MIL-M-38510 Class S |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
ADJUSTABLE |
BOTTOM |
37 V |
O-MBCY-W3 |
1 |
Not Qualified |
.5 A |
1 |
|||||||||||||||||||||||||
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
MIL-M-38510 Class B |
ROUND |
-55 Cel |
37 V |
CYLINDRICAL |
ADJUSTABLE |
3 V |
BOTTOM |
1.2 V |
O-MBCY-W3 |
1 |
4.7 mm |
Qualified |
40 V |
1.5 A |
1 |
4.2 V |
||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
4 % |
30k Rad(Si) |
METAL |
NO |
150 Cel |
1 |
BIPOLAR |
MIL-PRF-38535 Class V |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
ADJUSTABLE |
125 Cel |
-55 Cel |
BOTTOM |
37 V |
O-MBCY-W3 |
1 |
4.7 mm |
Qualified |
40 V |
1.5 A |
NOT SPECIFIED |
1 |
NOT SPECIFIED |
3 V |
-4.2 V |
||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
BIPOLAR |
38535V;38534K;883S |
ROUND |
-55 Cel |
37 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
Other Regulators |
ADJUSTABLE |
2 % |
BOTTOM |
1.2 V |
O-MBCY-W3 |
1 |
4.7 mm |
Not Qualified |
40 V |
1.5 A |
1 |
3 V |
4.2 V |
|||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
125 Cel |
1 |
BIPOLAR |
ROUND |
0 Cel |
1.2 V |
CYLINDRICAL |
BOTTOM |
47 V |
O-MBCY-W3 |
Not Qualified |
1.5 A |
|||||||||||||||||||||||||||||
|
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
MIL-M-38510 Class B |
ROUND |
-55 Cel |
37 V |
CYLINDRICAL |
ADJUSTABLE |
3 V |
BOTTOM |
1.2 V |
O-MBCY-W3 |
1 |
4.7 mm |
Qualified |
40 V |
1.5 A |
1 |
4.2 V |
||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
4 % |
METAL |
150 Cel |
BIPOLAR |
38535V;38534K;883S |
ROUND |
-55 Cel |
-1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
Other Regulators |
ADJUSTABLE |
2 % |
BOTTOM |
-37 V |
O-MBCY-W3 |
1 |
Not Qualified |
40 V |
1.5 A |
1 |
3 V |
4.2 V |
|||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
30k Rad(Si) |
METAL |
NO |
150 Cel |
1 |
BIPOLAR |
MIL-PRF-38535 Class V |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
||||||||||||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
MIL-PRF-38535 |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
ADJUSTABLE |
1 % |
3 V |
BOTTOM |
37 V |
O-MBCY-W3 |
.5 A |
1 |
|||||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
MIL-STD-883 |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
3 V |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
.5 A |
||||||||||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
30k Rad(Si) |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
MIL-PRF-38535 Class V |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
Other Regulators |
ADJUSTABLE |
2 % |
3 V |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
.5 A |
NOT SPECIFIED |
1 |
NOT SPECIFIED |
||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
3 V |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
.5 A |
||||||||||||||||||||||||||
Texas Instruments |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
150 Cel |
50 V |
1 |
BIPOLAR |
MIL-PRF-38535 Class V |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
ADJUSTABLE |
1 % |
3 V |
BOTTOM |
47 V |
O-MBCY-W3 |
1.5 A |
1 |
||||||||||||||||||||||
|
Analog Devices |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
150 Cel |
30 V |
1 |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
3 V |
Matte Tin (Sn) - annealed |
BOTTOM |
22 V |
O-MBCY-W3 |
Not Qualified |
1.5 A |
e3 |
|||||||||||||||||||||||||
Analog Devices |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
3 V |
TIN LEAD |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
.5 A |
e0 |
||||||||||||||||||||||||
Analog Devices |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
TO-39 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
3 V |
TIN LEAD |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
.5 A |
e0 |
||||||||||||||||||||||||
Analog Devices |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
BCY |
WIRE |
METAL |
NO |
150 Cel |
1 |
BIPOLAR |
MIL-STD-883 |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.03 |
ADJUSTABLE |
1 % |
Tin/Lead (Sn/Pb) |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
1.5 A |
e0 |
1 |
||||||||||||||||||||
Analog Devices |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
150 Cel |
30 V |
1 |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
3 V |
TIN LEAD |
BOTTOM |
22 V |
O-MBCY-W3 |
Not Qualified |
1.5 A |
e0 |
||||||||||||||||||||||||||
Analog Devices |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
BCY |
WIRE |
METAL |
NO |
150 Cel |
50 V |
1 |
MIL-STD-883 Class B |
ROUND |
-55 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.05 |
ADJUSTABLE |
1 % |
3 V |
BOTTOM |
47 V |
O-MBCY-W3 |
1 |
|||||||||||||||||||||||
STMicroelectronics |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
METAL |
NO |
150 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
-25 Cel |
1.2 V |
CYLINDRICAL |
CAN3/4,.2 |
.02 |
Other Regulators |
ADJUSTABLE |
150 Cel |
.5 % |
3 V |
-25 Cel |
TIN LEAD |
BOTTOM |
37 V |
O-MBCY-W3 |
Not Qualified |
.5 A |
e0 |
1 |
|||||||||||||||||
Maxim Integrated |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
8 |
TO-99 |
WIRE |
METAL |
NO |
1 |
CMOS |
ROUND |
1.3 V |
CYLINDRICAL |
CAN8,.2 |
Other Regulators |
ADJUSTABLE |
70 Cel |
0 Cel |
TIN LEAD |
BOTTOM |
16 V |
O-MBCY-W8 |
1 |
Not Qualified |
.025 A |
e0 |
1 |
245 |
||||||||||||||||||||
Maxim Integrated |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
8 |
TO-99 |
WIRE |
METAL |
NO |
1 |
CMOS |
ROUND |
1.3 V |
CYLINDRICAL |
TIN LEAD |
BOTTOM |
16 V |
O-MBCY-W8 |
Not Qualified |
.025 A |
e0 |
||||||||||||||||||||||||||||
Maxim Integrated |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
8 |
TO-99 |
WIRE |
METAL |
NO |
1 |
CMOS |
ROUND |
1.3 V |
CYLINDRICAL |
TIN LEAD |
BOTTOM |
16 V |
O-MBCY-W8 |
Not Qualified |
.025 A |
e0 |
||||||||||||||||||||||||||||
Maxim Integrated |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
8 |
TO-99 |
WIRE |
METAL |
NO |
1 |
CMOS |
ROUND |
1.3 V |
CYLINDRICAL |
CAN8,.2 |
Other Regulators |
ADJUSTABLE |
70 Cel |
0 Cel |
TIN LEAD |
BOTTOM |
16 V |
O-MBCY-W8 |
1 |
Not Qualified |
.025 A |
e0 |
1 |
245 |
||||||||||||||||||||
Samsung |
ADJUSTABLE NEGATIVE SINGLE OUTPUT STANDARD REGULATOR |
3 |
WIRE |
PLASTIC/EPOXY |
NO |
125 Cel |
40 V |
1 |
BIPOLAR |
ROUND |
0 Cel |
1.2 V |
CYLINDRICAL |
SIP3,.1,50 |
.07 |
Other Regulators |
ADJUSTABLE |
1.27 mm |
1.5 % |
3 V |
BOTTOM |
37 V |
O-PBCY-W3 |
Not Qualified |
.1 A |
1 |
3 V |
Negative single output adjustable voltage regulators are electronic devices that provide a stable, regulated output voltage that is lower than the input voltage. These regulators operate by using negative feedback to maintain the output voltage at a fixed level, regardless of variations in the input voltage or load conditions. Negative single output adjustable regulators are commonly referred to as linear regulators, as they operate by continuously adjusting a variable resistance element to maintain the desired output voltage.
Negative single output adjustable regulators are often used in applications that require a stable and reliable voltage source, such as in power supplies for microcontrollers and other electronic devices. Linear regulators have the advantage of providing low output noise, high input-output voltage differential, and good line and load regulation. However, they are less efficient than switching regulators and require a minimum voltage drop between the input and output voltage to maintain regulation, which can lead to higher power dissipation and heat generation.
Negative single output adjustable voltage regulators can be designed using bipolar transistors or MOSFETs, and can be used in a range of applications, including audio amplifiers, battery chargers, and instrumentation. Some of the popular negative adjustable regulators include LM337, LM7905, and LM1117. These regulators are available in different package types, including TO-220, SOT-223, and SOIC, to suit various application requirements.