| TYPE | DESCRIPTION |
|---|
| Mounting Style | Surface Mount |
| Number of Pins | 3 Pin |
| Operating Voltage | 15V ~ 450V |
| Case/Package | TO-252-3 |
| Number of Outputs | 1 Output |
| Output Voltage | 1.2V ~ 440V |
| Output Current | 20 mA |
| Number of Positions | 3 Position |
| Power Dissipation | 2500 mW |
| Input Voltage (Max) | 450 V |
| Input Voltage (Min) | 13.2 V |
| Output Voltage (Max) | 440 V |
| Output Voltage (Min) | 1.2 V |
| Output Current (Max) | 30 mA |
| Operating Temperature (Max) | 85 ℃ |
| Operating Temperature (Min) | -40 ℃ |
| Power Dissipation (Max) | 2500 mW |
| Accuracy | ±5 % |
| Input Voltage | 450 V |
| TYPE | DESCRIPTION |
|---|
| Product Lifecycle Status | Unknown |
| Packaging | Tape & Reel (TR) |
| Size-Length | 6.73 mm |
| Size-Width | 6.22 mm |
| Size-Height | 2.38 mm |
| Operating Temperature | -40℃ ~ 85℃ |
The LR8K4-G is a high-voltage, low-output current, adjustable Linear Regulator. It has a wide operating input voltage range of 13.2 to 450V. The output voltage can be adjusted from 1.2 to 440V provided that the input voltage is at least 12V greater than the output voltage. The output voltage can be adjusted by means of two external resistors R1 and R2 as shown in the typical application circuits. The LR8 regulates the voltage difference between VOUT and ADJ pins to a nominal value of 1.2V. The 1.20V is amplified by the external resistor ratio R1 and R2. An internal constant bias current of typically 10µA is connected to the ADJ pin. This increases VOUT by a constant voltage of 10µA times R2. The LR8 has current limiting and temperature limiting. The output current limit is typically 20mA and the minimum temperature limit is 125°C. An output short circuit current will therefore be limited to 20mA.
● 13.2 to 450V Input voltage range
● 5% Output voltage tolerance
● Output current limiting
● 10µA Typical ADJ current
● Internal junction temperature limiting
Microchip
16 Pages / 0.92 MByte
Microchip
18 Pages / 0.78 MByte
Microchip
3 Pages / 0.52 MByte
Supertex
Standard Regulator Pos 1.2V to 440V 0.01A 3Pin(2+Tab) TO-252
Microchip
MICROCHIP LR8K4-G Linear Voltage Regulator, Adjustable, 13.2V to 450V input, 1.2V to 440V/20mA out, TO-252AA-3
Supertex
Standard Regulator 1.2V to 440V 10A 3Pin (2+Tab) TO-252
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