The ISL6719 is a 100V linear bias supply for generating a low voltage bias supply from intermediate distributed voltages commonly used in telecom and datacom applications.
The ISL6719 is a low‑cost linear regulator designed for telecom and datacom DC/DC converters. It provides a single adjustable output (1.5 V‑20 V) at up to 100 mA, selectable from the main supply (VPWR) or an auxiliary bias source (AUXIN). Features include over‑current and over‑temperature protection, RoHS‑compliant packaging, and a small 3 mm × 3 mm DFN package.
The datasheet includes functional block diagrams, typical application circuits, absolute maximum ratings, electrical specifications, performance curves, pin descriptions, and package dimensions. Guidance on enabling, thermal protection, and recommended external components such as a 220 pF compensation capacitor is also provided.
| Input Voltage Capability | 100 V |
|---|---|
| Adjustable Output Voltage | 1.5 V to 20 V |
| Maximum Output Current | 100 mA |
| Over‑Current Protection | Enabled |
| Over‑Temperature Protection | Enabled |
| Package Type | 9‑lead DFN 3 mm × 3 mm |
| Minimum Load Current | 3 mA |
| Thermal Shutdown Temperature | 150 °C |
| Thermal Shutdown Clear Temperature | 95 °C |
| UVLO Start Threshold | 13.0 V |
| UVLO Stop Threshold | 12.0 V |
| Recommended Compensation Capacitor | 220 pF |
The device can accept up to 100 V input voltage.
It can deliver up to 100 mA continuously.
A 220 pF capacitor between COMPA and COMPB is recommended.
It shuts down at about 150 °C and clears at 95 °C with hysteresis.