| part number | data sheet | general description | package | grade | input voltage (v) min | input voltage (v) max | regulated output voltage (v) min | regulated output voltage (v) max | output current-max (a) nom | synchronous rectification | quiescent current (ma) typ | regulator switching frequency typ | inhibit pin | soft-start | other features | oscillator switching frequency (hz) (internal) min | oscillator switching frequency (hz) (internal) max | oscillator switching frequency (hz) (external) min | oscillator switching frequency (hz) (external) max | junction temperature (°c) min |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| l6986 | 38 v 2 a synchronous step-down switching regulator with 30 ua quiescent current | htssop16 | industrial | 4 | 38 | 0.85 | 38 | 2 | yes | 0.03 | 250 | true | yes | adj. fsw; adj. voltage sup. | 250 | 2000 | 250 | 2000 | -40 | |
| l7987 | 61 v 3 a asynchronous step-down switching regulator with adjustable current limitation | htssop16 | industrial | 4.5 | 61 | 0.8 | 61 | 3 | no | 1 | 250 | true | yes | adj. current limit | 250 | 1500 | 250 | 1500 | -40 | |
| l7987l | 61 v 2 a asynchronous step-down switching regulator with adjustable current limitation | htssop16 | industrial | 4.5 | 61 | 0.8 | 61 | 2 | no | 1 | 250 | true | yes | adj. current limit | 250 | 1500 | 250 | 1500 | -40 | |
| st1s14 | up to 3 a step down switching regulator | powerso-8 | industrial | 5.5 | 48 | 0.8 | 48 | 3 | no | 2 | - | true | yes | en2/pgood | - | 1400 | - | - | - | |
| st1s40 | 3a dc step-down switching regulator | dfn8 4x4,powerso-8,so-8 | industrial | 4 | 18 | 0.8 | 18 | 3 | yes | 2.5 | 850 | true | yes | - | - | 850 | - | - | - |
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