RT9162 RT9162- RT9162-33CZL RT9162-35CZL RT9162-33CZT RT9162-35CZT RT9162-33CX - Datasheet Archive

 

300mA Low Dropout Positive Voltage Regulator General Description The RT9162 is a positive low dropout regulator designed for

 

RT9162 RT9162 300mA Low Dropout Positive Voltage Regulator General Description The RT9162 RT9162 is a positive low dropout regulator designed for applications requiring low dropout performance at full rated current. The device is available in fixed output voltages of 3.3V and 3.5V. The RT9162 RT9162 provides excellent regulation over line, load, and temperature variations. The other features include low dropout performance at a maximum of 1.3V at 300mA, fast transient response, internal current limiting, and thermal shutdown protection of the output devices. The RT9162 RT9162 is a three-terminal regulator compatible with industrial 78XX series and available in surface mount SOT-89 packages. Ordering Information RT9162- RT9162- Features Low Dropout, Maximum 1.3V at 300mA Fast Transient Response ±2% Total Output Regulation 0.4% Line Regulation 0.4% Load Regulation SOT-89 and TO-92 Packages Applications 5V to 3.3V Linear Regulator Low Voltage Microcontroller, DSF, . etc. Power Supply Linear Regulator for LAN Card and CD-ROM Pin Configurations (TOP VIEW) Package Type ZL : TO-92 L Type ZT : TO-92 T Type X : SOT-89 XL : SOT-89 L Type 3 VOUT 2 GND 1 VIN RT9162-33CZL RT9162-33CZL RT9162-35CZL RT9162-35CZL TO-92 Operating Temperature Range C : Commercial Standard P : Pb Free with Commercial Standard 3 VOUT 2 VIN 1 Output Voltage 33 : 3.3V 35 : 3.5V GND RT9162-33CZT RT9162-33CZT RT9162-35CZT RT9162-35CZT TO-92 Marking Information For marking information, contact our sales representative directly or through a RichTek distributor located in your area, otherwise visit our website for detail. 1 2 VOUT GND 3 VIN RT9162-33CX RT9162-33CX RT9162-35CX RT9162-35CX SOT-89 DS9162-11 DS9162-11 February 2004 1 2 GND VIN 3 VOUT RT9162-33CXL RT9162-33CXL RT9162-35CXL RT9162-35CXL SOT-89 www.richtek.com 1 RT9162 RT9162 Typical Application Circuit RT9162 RT9162 CIN 10uF VIN VOUT GND VOUT + + VIN COUT 10uF Function Block Diagram Pin Name Pin Function VOUT Output Voltage GND Ground VIN Power Input Functional Pin Description VIN Q2 Buffer Amplifier Q1 Thermal Shutdown R4 + Error Amplifier - Current Limiting Sensor R3 VOUT R1 VREF R2 www.richtek.com 2 DS9162-11 DS9162-11 February 2004 RT9162 RT9162 Absolute Maximum Ratings Input Voltage - 15V Power Dissipation, PD @ TA = 25°C TO-92 - 0.6W SOT-89 - 0.5W Package Thermal Resistance -TO-92 -TO-92, JC - 160° C/W SOT-89, JC - 100° C/W SOT-89, JA - 300° C/W Operating Junction Temperature Range - -40°C to 125°C Storage Temperature Range - -65°C to 150°C Electrical Characteristics (VIN = 5.0V, TA = 25°C, unless otherwise specified) Parameter Output Voltage Line Regulation Symbol RT9162-33 RT9162-33 (1) RT9162-35 RT9162-35 (1) Test Conditions VLINE VIN = 5V­15V Load Regulation VLOAD IL = 0 - 300mA Dropout Voltage (2) VDROP VOUT = 1% Max 3.300 3.365 3.430 (1) Typ 3.235 VOUT Min Units 3.500 3.570 - 0.1 0.4 % - 0.2 0.4 % - 1.2 1.3 V 400 - - mA V Current Limit ILIMIT Quiescent Current IQ - 4.5 8 mA Temperature Coefficient TC - 0.005 - %/°C Temperature Stability TS - 0.5 - % - 0.003 - %/VOUT RMS Output Noise (3) Notes: (1) Low duty cycle pulse testing with Kelvin connections required. (2) Dropout voltage is defined as the input to output differential at which the output voltage drops 1% below the value measured with a 2V differential. (3) Bandwidth of 10 Hz to 10 kHz. DS9162-11 DS9162-11 February 2004 www.richtek.com 3 RT9162 RT9162 Outline Dimension A D E L b e C D1 A1 Symbol Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 3.175 4.191 0.125 0.165 A1 1.143 1.372 0.045 0.054 b 0.406 0.533 0.016 0.021 C 0.406 0.533 0.016 0.021 D 4.445 5.207 0.175 0.205 D1 3.429 - 0.135 - E 4.318 5.334 0.170 0.210 e 1.143 1.397 0.045 0.055 L 12.700 - 0.500 - 3-Lead TO-92 Plastic Package www.richtek.com 4 DS9162-11 DS9162-11 February 2004 RT9162 RT9162 D D1 A B C C1 e e H A b Symbol b1 b Dimensions In Millimeters Dimensions In Inches Min Max Min Max A 1.397 1.600 0.055 0.063 b 0.356 0.483 0.014 0.019 B 2.388 2.591 0.094 0.102 b1 0.406 0.533 0.016 0.021 C - 4.242 - 0.167 C1 0.787 1.194 0.031 0.047 D 4.394 4.597 0.173 0.181 D1 1.397 1.753 0.055 0.069 e 1.448 1.549 0.057 0.061 H 0.355 0.432 0.014 0.017 3-Lead SOT-89 Surface Mount Package RICHTEK TECHNOLOGY CORP. RICHTEK TECHNOLOGY CORP. Headquarter Taipei Office (Marketing) 5F, No. 20, Taiyuen Street, Chupei City 8F-1, No. 137, Lane 235, Paochiao Road, Hsintien City Hsinchu, Taiwan, R.O.C. Taipei County, Taiwan, R.O.C. Tel: (8863)5526789 Fax: (8863)5526611 Tel: (8862)89191466 Fax: (8862)89191465 Email: marketing@richtek.com DS9162-11 DS9162-11 February 2004 www.richtek.com 5