Package Information
| Pitch (mm) | 2.54 |
| Lead Count (#) | 8 |
| Pkg. Type | SBDIP |
| Pkg. Dimensions (mm) | 9.91 x 7.37 x 2.41 |
| Pkg. Code | DAX |
Environmental & Export Classifications
| Moisture Sensitivity Level (MSL) | Not Applicable |
| Pb (Lead) Free | Exempt |
| ECCN (US) | 9A515 |
| HTS (US) |
Product Attributes
| Pkg. Type | SBDIP |
| Lead Count (#) | 8 |
| Carrier Type | Tray |
| Moisture Sensitivity Level (MSL) | Not Applicable |
| Pitch (mm) | 2.5 |
| Pkg. Dimensions (mm) | 9.9 x 7.4 x 2.41 |
| Pb (Lead) Free | Exempt |
| Pb Free Category | Gold Plate over compliant Undercoat-e4 |
| MOQ | 1 |
| Temp. Range | -55 to +125°C |
| CAGE code | 34371 |
| Control Mode | Voltage, Peak Current Mode |
| DSEE (MeV·cm2/mg) | 43 |
| Die Sale Availability? | Yes |
| Duty Cycle (Max) (%) | 50 |
| Flow | RH Hermetic |
| Length (mm) | 9.9 |
| Models Available | iSIM, PSPICE |
| No-Load Operating Current | 2.9 |
| Operating Freq (Max) (MHz) | 1 |
| PROTO Availability? | Yes |
| Phases (Max) | 1 |
| Qualification Level | EM |
| Quiescent Current | 90µA |
| Rating | Space |
| SMD URL | |
| Supply Voltage (max) (V) | 13.2 - 13.2 |
| Supply Voltage (min) (V) | 9 - 9 |
| Switching Frequency (max) (kHz) | 1000 |
| Switching Frequency (min) (kHz) | 2 |
| TID HDR (krad(Si)) | 100 |
| Thickness (mm) | 2.41 |
| Topology | Buck, Boost, Flyback, Forward |
| UVLO Rising (V) | 7 |
| VDD1 (V) | 9 - 13.2 |
| VREF (V) | 5 |
| Width (mm) | 7.4 |
Description
The ISL78840ASEH, ISL78841ASEH, ISL78843ASEH, ISL78845ASEH, ISL78840ASRH, ISL78841ASRH, ISL78843ASRH, ISL78845ASRH are high-performance, radiation hardened drop-in replacements for the popular 28C4x and 18C4x PWM controllers suitable for a wide range of power conversion applications including boost, flyback and isolated output configurations. Fast signal propagation and output switching characteristics make these ideal products for existing and new designs. Features include up to 13.2V operation, low operating current, 90μA typical start-up current, adjustable operating frequency to 1MHz, and high peak current drive capability with 50ns rise and fall times.