CMOS LDO Regulator for Portable Equipments Dual, Low-Dropout Linear Regulator No.12020ECT09 BD7003NUX, BD7004NUX Descriptions The BD7003NUX, BD7004NUX are dual channels, 300mA low-dropout voltage regulator output at each channel. The output voltage range is from 1.2V to 3.3V by operating range from 2.5V to 5.5V. The output voltages, VOUT1 and VOUT2, are determined at power up by the state of P1 and P2(see the table of Output-Voltage Programming). The BD7003NUX, BD7004NUX offer 1.8% accuracy and low-dropout. The shutdown current is near the zero current which is suitable for battery powered device. The BD7003NUX, BD7004NUX are mounted on VSON008X2020(2.0mmX2.0mmX0.6mm), which contributes to the space-saving design of set. Features 1) 2-channel 300mA, CMOS-type LDOs. 2) Pin-Programmable Output Voltage. (9 steps adjustable VOSee the Table of Output-Voltage Programming.) 3) LDOs Power ON/OFF Enable Control. 4) 2.0mm2.0mm Package. 5) Small Ceramic Output Capacitors(1F). 6) Equipped with Over Current Limiter and Thermal Shutdown Circuit(TSD) . Applications Battery-powered portable equipment, etc. Absolute Maximum Ratings (Ta = 25) Parameter Symbol Ratings Unit Maximum Supply Voltage (VIN) VIN -0.3 7 V Maximum Input Voltage 1 (P1,P2,EN1,EN2) VINMAX1 -0.3 7 V Maximum Input Voltage 2 (Vout1,Vout2) VINMAX2 -0.3Vin+0.3 V 1 Power Dissipation Pd 1360* mW Operating Temperature Range Topr -40 +85 Storage Temperature Range Tstg -55 +150 1 * This is the allowable loss of when it is mounted on a ROHM specification board 40mm40mm1.5mmt To use at temperature higher than 25 C , derate 10.9mW per 1 * This product is not especially designed to be protected from radioactivity. Recommended Operating Range (Ta=-40+85) Parameter Symbol Ratings Unit Input Power Supply Voltage Range VIN 2.55.5 V www.rohm.com 2012.01 - Rev.C 1/13 2012 ROHM Co., Ltd. All rights reserved. BD7003NUX,BD7004NUX Technical Note Power Dissipation As for power dissipation, an approximate estimate of the heat reduction characteristics and internal power consumption of IC are shown, so please use these for reference. Since power dissipation changes substantially depending on the implementation conditions (board size, board thickness, metal wiring rate, number of layers and through holes, etc.), it is recommended to measure Pd on a set board. Exceeding the power dissipation of IC may lead to deterioration of the original IC performance, such as causing operation of the thermal shutdown circuit or reduction in current capability. Therefore, be sure to prepare sufficient margin within power dissipation for usage. Calculation of the maximum internal power consumption of IC (PMAX) PMAX=(VIN-VOUT)IOUT(MAX.) (VIN: Input voltage VOUT: Output voltage IOUT(MAX): Maximum output current) Measurement conditions Evaluation Board 1 (Double-side Board) Layout of Board for Measurement (Unit: mm) Top Layer (Top View) IC Implementation Position Bottom Layer (Top View) Power Dissipation 1.36W Thermal Resistance ja=91.9/W 1.6 Evaluation Bord1 1.4 1.36W 1.2 1.0 0.8 0.6 0.4 0.2 0.0 0 25 50 75 100 125 150 175 200 Ambient Temperature :Ta () Fig.1. VSON008X2020 Power dissipation heat reduction characteristics (Reference) * Please design the margin so that PMAX becomes is than Pd (PMAXPd) within the usage temperature range. www.rohm.com 2012.01 - Rev.C 2/13 2012 ROHM Co., Ltd. All rights reserved. Power Dissipation : Pd (W)