RT9058 36V, 2A I , 100mA Low Dropout Voltage Linear Regulator Q General Description Features 2A Quiescent Current The RT9058 is a low dropout (LDO) linear voltage regulator 2% Output Accuracy that features high input voltage, low dropout voltage, ultra- 100mA Output Current low operating current, and miniaturized packaging. With 3.5V to 36V Input Voltage Range quiescent current as low as 2A, the RT9058 is ideal for Dropout Voltage : 0.35V at 10mA/V 5V CC battery-powered equipment. 0.5V at 10mA/V 3.5V CC The RT9058 s stability requirements are easily met with Fixed Output Voltage : 2.5V, 3V, 3.3V, 5V, 6V, 9V, all types of output capacitors, including tiny ceramic 12V capacitors, over its wide input range (3.5V to 36V) and its Stable with Ceramic or Tantalum Capacitors load current range (0mA to 100mA). The RT9058 offers Current Limit Protection standard output voltages of 2.5V, 3V, 3.3V, 5V, 6V, 9V Over Temperature Protection and 12V. SOT-23-3, SOT-89-3 Packages RoHS Compliant and Halogen Free Applications Portable, Battery Powered Equipment Ultra Low Power Microcontrollers Notebook Computers Pin Configurations (TOP VIEW) GND VCC 3 3 23 2 2 VCC VOUT GND VOUT GND VOUT VCC SOT-23-3 SOT-23-3 (L-Type) SOT-89-3 Functional Pin Description Pin No. Pin Name Pin Function SOT-23-3 SOT-23-3 (L-Type) SOT-89-3 1 3 1 VCC Supply Voltage Input. 2 2 3 VOUT Output of the Regulator. 3 1 2 GND Ground. Simplified Application Circuit RT9058 V VCC VOUT V OUT CC C C IN OUT GND Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. DS9058-01 February 2016 www.richtek.com 1+ RT9058 Ordering and Marking Information Output Marking Output Marking Part Number Package Part Number Package Voltage Information Voltage Information RT9058-25GV SOT-23-3 00= RT9058-60GV SOT-23-3 0R= RT9058-25GVL S2.5V OT-23-3 (L) 2A= RT9058-60GVL S6.0V OT-23-3 (L) 2D= RT9058-25GX SOT-89-3 00= RT9058-60GX SOT-89-3 0D= RT9058-30GV SOT-23-3 2H= RT9058-90GV SOT-23-3 0N= RT9058-30GVL S3.0V OT-23-3 (L) 2G= RT9058-90GVL S9.0V OT-23-3 (L) 2E= RT9058-30GX SOT-89-3 10= RT9058-90GX SOT-89-3 0C= RT9058-33GV SOT-23-3 03= RT9058-C0GV SOT-23-3 0M= RT9058-33GVL S3.3V OT-23-3 (L) 2B= RT9058-C0GVL S12.0V OT-23-3 (L) 2F= RT9058-33GX SOT-89-3 01= RT9058-C0GX SOT-89-3 0B= RT9058-50GV SOT-23-3 06= RT9058-50GVL S5.0V OT-23-3 (L) 2C= RT9058-50GX SOT-89-3 02= Function Block Diagram VCC VOUT OCP R1 - OTP GND Bandgap R2 Reference Operation The RT9058 is a high input voltage linear regulator reference voltage and controls the P-MOSFET s gate specifically designed to minimize external components. voltage to maintain output voltage regulation. The input voltage range is from 3.5V to 36V. Current Limit Protection The minimum required output capacitance for stable The RT9058 provides a current limit function to prevent operation is 1F effective capacitance after consideration damage during output over-load or shorted-circuit of the temperature and voltage coefficient of the capacitor. conditions. The output current is detected by an internal sensing transistor. Output Transistor The RT9058 includes a built-in low on-resistance Over Temperature Protection P-MOSFET output transistor for low dropout voltage The over temperature protection function will turn off the applications. P-MOSFET when the internal junction temperature exceeds 150C (typ.) and the output current exceeds 4mA. Error Amplifier Once the junction temperature cools down by The Error Amplifier compares the output feedback voltage approximately 20C, the regulator will automatically from an internal feedback voltage divider to an internal resume operation. Copyright 2016 Richtek Technology Corporation. All rights reserved. is a registered trademark of Richtek Technology Corporation. www.richtek.com DS9058-01 February 2016 2