View om7647sm datasheet:

OM7647SM SURFACE MOUNT NEGATIVE ADJUSTABLE 1.0 AMP VOLTAGE REGULATOR Isolated Hermetic Surface Mount Package 1.0 Amp, High Voltage, Negative Adjustable Voltage Regulator FEATURES • Isolated Hermetic Surface Mount Package • Adjustable Output Voltage • Eliminates Stocking Fixed Voltages • Built-In Thermal Overload Protection • Short Circuit Current Limiting • Product Is Available Hi-Rel Screened • Electrically Similar To Industry Standard Type LM137HV DESCRIPTION This three terminal negative regulator is supplied in a hermetically sealed metal surface mount package. All protective features are designed into the circuit, including thermal shutdown, current limiting and safe-area control. With heat sinking, they can deliver over 1.0 amp of output current. This unit features