The LR645 is a High Input Voltage SMPS Start-up / Linear Regulator.
| Package | SOIC |
|---|---|
| Mount Type | Surface Mount |
| Pins | 8 |
| Max Voltage (typical range) | 450 V |
| Min Voltage (typical range) | 15 V |
| Output Type (varies by manufacturer) | Adjustable |
| Height | 1.75 mm |
| Length | 4.9 mm |
| Part Number | LR645 Datasheet |
|---|---|
| Manufacturer | Supertex Inc |
| Overview | The Supertex LR6 is a high input voltage, low output current linear regulator. It has a 3-terminal fixed output voltage version available in TO-92, TO-220 and SOT-89 packages as well as an adjustable . ❏ Accepts inputs from 15V to 450V ❏ Compatible with industry standard PWM ICs. See application note AN-H28. ❏ Output currents up to 3mA continuous, 30mA peak ❏ Supply current typically 50µA ❏ Line regulation typically 0.1mV/V ❏ Output can be trimmed from 8.0V to 12V ❏ Output current can be increased. |
| Part Number | LR645 Datasheet |
|---|---|
| Description | High-Input Voltage SMPS Start-up/Linear Regulator |
| Manufacturer | Microchip Technology |
| Overview |
LR645 is a high-input voltage, low-output current, linear regulator that is available in two versions. A 3-terminal, fixed-output voltage version is available in TO-92, TO220 and SOT-89 packages, as w.
* Accepts inputs from 15 to 450V * Output currents: up to 3.0mA continuous, 30mA peak * Supply current typically 50µA * Line regulation typically 0.1mV/V * Output can be trimmed from 8.0 to 12V * Output current can be increased to 150mA with external FET Applications * Off-line SMPS startup circuits. |
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