ver.2010/09/03 ? general description the NJW4187/88 is a 1000ma output low dropout voltage regulator. advanced bcd technology achieves low consumption, high output current and high supply voltage. NJW4187 is output voltage fixed type. njw4188 is output voltage adjustable type. and it is available to low esr capacitor. the NJW4187/ 88 is suitable for various applications. ? package outline ? features z operating voltage range 35v max. z quiescent current 55 atyp. z output current i o (min.)=1000ma z NJW4187: fixed voltage type voltage accuracy: v o 2.0% z njw4188: adjustable voltage type reference voltage accuracy: vref=1.29v 2.0% z built-in thermal shutdown z over current protection z package to-252-5 ? block diagram ? recommended application for car accessory, a/v, oa equip and so on u . d . 40v io=1000ma low dropout regulator please note that this device is still under the development and therefore the specifications are subject to change. NJW4187 njw4188 NJW4187 NJW4187dl3 to252-5 gnd 3. control 2. 5. vout 4. n.c. 1. vin 12345 3 njw4188dl3 to252-5 gnd 3. control 2. 5. vout 4. vadj 1. vin 12345 3 current limit thermal protection bandgap reference v in v out gnd control current limit thermal protection bandgap reference v in v out gnd control v adj njw4188
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