The Radiation Hardened HS-1825ARH, HS-1825AEH Pulse Width Modulator is designed to be used in high frequency switched-mode power supplies and can be used in either current-mode or voltage-mode. It is well suited for single-ended boost converter applications.

Features

• Electrically Screened to DLA SMD # 5962-99558

• QML Qualified per MIL-PRF-38535 Requirements

• Radiation Environment

- Maximum Total Dose. . . . . . . . . . . . . . . . . . . . 300 krad(SI)

- Vertical Architecture Provides Low Dose Rate Immunity

- DI RSG Process Provides Latch-Up Immunity

• Low Start-Up Current . . . . . . . . . . . . . . . . . . . . . . . 100µA (Typ)

• Fast Propagation Delay . . . . . . . . . . . . . . . . . . . . . . . 80ns (Typ)

• 12V to 30V Operation

• 1A (Peak) Dual Output Drive Capability

•5.1V Reference

•Undervoltage Lockout

•Programmable Soft-Start

• Switching Frequencies to 500kHz

• Latched Overcurrent Comparator with Full Cycle Restart

• Programmable Leading Edge Blanking Circuit