U . D . 40V Io=1000mA Low dropout Regulator 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. NJW4187 NJW4188 PACKAGE OUTLINE 3 1 2 3 4 5 3 1. VIN CONTROL 2. CONTROL 3. GND 3. GND 4. N.C. 4. VADJ 5. VOUT 5. VOUT 1. VIN 2. 1 2 3 4 5 NJW4188DL3 TO252-5 NJW4187DL3 TO252-5 FEATURES z Operating Voltage Range 35V max. z Quiescent Current 55μA typ. z Output Current IO(min.)=1000mA z NJW4187: fixed voltage type Voltage Accuracy: VO±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 V OUT V IN Current Limit CONTROL VOUT VIN Current Limit CONTROL VADJ Bandgap Reference Bandgap Reference Thermal Protection GND Thermal Protection GND NJW4187 NJW4188 Recommended Application For Car Accessory, A/V, OA Equip and so on Please note that this device is still under the development and therefore the specifications are subject to change. Ver.2010/09/03