TAR8D05K

TAR8D05K TOSHIBA BIPOLAR LINEAR INTEGRATED CIRCUIT SILICON MONOLITHIC TAR8D05K Dual Low-Dropout Regulator TAR8D05K is a bipolar type 2-output power supply with a control pin. ON and OFF can be switched using the control pin. Features • • • • Include 2-LDO regulators. (2.8V, 2.8V) Output power supply can be independent control. Overtemperature/overcurrent protection. Very small 8-pin package. Weight: 0.01 g (typ.) Pin Assigment (top view) VOUT (A) 8 VIN 7 VOUT (B) CONT (B) 6 5 VOUT (A) = 2.8 V VOUT (B) = 2.8 V 1 2 3 4 NOISE (A) NOISE (B) CONT (A) GND Marking 8D05 Overtemperature protection and overcurrent protection function are not necessary of operating ratings below the absolute maximum ratings. Do not use device under conditions in which their absolute maximum ratings will be exceeded. 1 2007-11-01 TAR8D05K Absolute Maximum Ratings (Ta = 25°C) Characteristics Supply Voltage Output Current (VOUT (A) ) Output Current (VOUT (B) ) Power Dissipation Operation Temp Range Storage Temp Range Symbol VIN IOUT (A) IOUT (B) PD Topr Tstg Rating 15 100 200 400 −40~85 −55~150 (Note 1) (Note 2) Unit V mA mW °C °C Note: Using continuously under heavy loads (e.g. the application of high temperature/current/voltage and the significant change in temperature, etc.) may cause this product to decrease in the reliability significantly even if the operating conditions (i.e. operating temperature/current/voltage, etc.) are within the absolute maximum ratings and the operating ranges. Please design the appropriate reliability upon reviewing the Toshiba Semiconductor Reliability Handbook (“Handling Precautions”/“Derating Concept and Methods”) and individual reliability data (i.e. reliability test report and estimated failure rate, etc). Note 1: Unit Rating Note 2: Mounted on a glass epoxy circuit board of 30 mm × 30 mm Pad dimansion of 70 mm2 Electrical Characteristics (unless otherwise specified, VIN = VOUT + 1 V, IOUT = 30 mA, CIN = 1 μF, COUT = 10 μF, CNOISE = 0.01 μF, Tj = 25°C) 2.8 V output Characteristics (VOUT (A), VOUT (B) ) Characteristics Output Voltage Dropout Voltage Input Voltatge Load Regulation Line Reguration Temp. Coeffcient Ripple Rejection Output Noise Voltage Symbol VOUT VIN-VOUT VIN Reg･load Reg･line TCVO R.R VNO IOUT = 0 mA~30 mA VIN = 3.8 V~15.0 V Ta = −40°C~85°C IOUT = 10 mA, f = 1 kHz, VRipple = 500 mVp-p, Ta = 25°C IOUT = 10 mA, 10 Hz < f < 10 kHz, Ta = 25°C == Test Condition IOUT = 30 mA IOUT = 30 mA VOUT + 0.18 V Min 2.73 Typ 2.8 120 ⎯ 2 3 100 70 30 Max 2.87 180 15 12 15 V mV mV ppm/°C dB μVrms Unit V ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ ⎯ Common Characteristics Characteristics Stand-by Current Symbol IB (OFF) IB1 Quiescent Current IB2 Control Voltage (ON) Control Voltage (OFF) Control Input Current VCT (ON) VCT (OFF) ICT VCT = 0 V IOUT (A) = 0 mA, IOUT (B) = 0 mA IOUT (A) = 30 mA, IOUT (B) = 30 mA Test Condition Min Typ Max 1 700 1800 VIN 0.4 15 Unit μA μA μA V V μA ⎯ ⎯ ⎯ 1.5 ⎯ 350 850 ⎯ ⎯ VCT = 1.5 V (output ON) ⎯ ⎯ ⎯ ⎯ ⎯ 2 2007-11-01 TAR8D05K Application Note・ Recommended Application circuit VOUT (A) 10 μ F VIN 10 μ F 7 6 VOUT (B) COUT (B) 8 1 μF 5 Control level HIGH LOW 1 0.01 μF 0.01 μF 2 3 4 A-channel ON OFF B-channel ON OFF NOISE (A) NOISE (B) CONT (A) GND The noise capacitor should be connected to NOISE pin to GND for stable operation. The recommended value is higher than 0.0047μF. The figure above shows commended configuration for using a point regulator. Insert a capacitor for stable input/output operation. If the control function is not to be used, Toshiba recommended that the control pin be connected to the VCC pin. ・ 3 2007-11-01 TAR8D05K Ripple Rejection TAR8D05K feature a circuit with an excellent ripple rejection characteristic. Because the circuit also features an excellent output fluctuation characteristic for sudden supply voltage drops, the circuit is ideal for in the RF blocks incorporated in all mobile telephones. Ripple Rejection − f 80 70 Input Transient Responce (dB) 60 50 40 30 20 10 0 10 10 μF 2.2 μF 1 μF Input Voltage 3.4 V 3.1 V Ripple Rejection 2.8 V Output voltage VIN = 4.0 V, CNOISE = 0.01 μF, CIN = 1 μF, Vripple = 500 mVp−p, Iout = 10 mA, Ta = 25°C 100 1k 10 k 100 k 300 k 0 1 2 3 4 Ta = 25°C, CIN = 1 μF, Cout = 10 μF, CNOISE = 0.01 μF, VIN: 3.4 V → 3.1 V, Iout = 30 mA 5 6 7 8 9 10 Frequency f (Hz) time t (ms) NOISE Pin TAR8D05K device incorporate a NOISE pin to reduce output noise voltage. Inserting a capacitor between the NOISE pin and GND reduces output noise. To ensure stable operation, insert a capacitor of 0.0047 μF or more between the NOISE pin and GND. CNOISE − VN 60 (μV) 50 CIN = 1 μF, Cout = 10 μF, Iout = 10 mA, Ta = 25°C VN Output noise voltage 40 30 20 10 0 0.001 μ 0.01 μ 0.1 μ 1.0 μ NOISE capacitance CNOISE (F) 4 2007-11-01 TAR8D05K VN – f 10 VOUT – VIN IOUT = 1 mA, CIN = 1 μF, COUT = 10 μF, CNOISE = 0.01 μF Pulse width = 1 ms (μV/√ Hz ) 6 VIN = VOUT + 1 V, IOUT = 10 mA, CIN = 1 μF, COUT = 10 μF, CNOISE = 0.01 μF, 10 Hz < f < 100 kHz, Ta = 25°C 1 VOUT (V) 5 4 Output voltage 3 Output noise voltage 5 10 15 VN 0.1 0.01 0.001 10 2 1 0 0 Input voltage VIN (V) 100 1k 10 k 100 k Frequency f (Hz) PD – Ta 500 (mW) Power dissipation PD 400 300 200 Circuit board material: grass epoxy. Circuit board dimension: 30 mm × 30 mm Pad area: 70 mm2 (t = 0.8mm) 100 −40 0 40 80 120 Ambient temperature Ta (°C) 5 2007-11-01 TAR8D05K Package Dimensions Weight: 0.01 g (Typ.) 6 2007-11-01 TAR8D05K RESTRICTIONS ON PRODUCT USE • The information contained herein is subject to change without notice. 20070701-EN GENERAL • TOSHIBA is continually working to improve the quality and reliability of its products. Nevertheless, semiconductor devices in general can malfunction or fail due to their inherent electrical sensitivity and vulnerability to physical stress. It is the responsibility of the buyer, when utilizing TOSHIBA products, to comply with the standards of safety in making a safe design for the entire system, and to avoid situations in which a malfunction or failure of such TOSHIBA products could cause loss of human life, bodily injury or damage to property. In developing your designs, please ensure that TOSHIBA products are used within specified operating ranges as set forth in the most recent TOSHIBA products specifications. Also, please keep in mind the precautions and conditions set forth in the “Handling Guide for Semiconductor Devices,” or “TOSHIBA Semiconductor Reliability Handbook” etc. • The TOSHIBA products listed in this document are intended for usage in general electronics applications (computer, personal equipment, office equipment, measuring equipment, industrial robotics, domestic appliances, etc.).These TOSHIBA products are neither intended nor warranted for usage in equipment that requires extraordinarily high quality and/or reliability or a malfunction or failure of which may cause loss of human life or bodily injury (“Unintended Usage”). Unintended Usage include atomic energy control instruments, airplane or spaceship instruments, transportation instruments, traffic signal instruments, combustion control instruments, medical instruments, all types of safety devices, etc.. Unintended Usage of TOSHIBA products listed in his document shall be made at the customer’s own risk. • The products described in this document shall not be used or embedded to any downstream products of which manufacture, use and/or sale are prohibited under any applicable laws and regulations. • The information contained herein is presented only as a guide for the applications of our products. No responsibility is assumed by TOSHIBA for any infringements of patents or other rights of the third parties which may result from its use. No license is granted by implication or otherwise under any patents or other rights of TOSHIBA or the third parties. • Please contact your sales representative for product-by-product details in this document regarding RoHS compatibility. Please use these products in this document in compliance with all applicable laws and regulations that regulate the inclusion or use of controlled substances. Toshiba assumes no liability for damage or losses occurring as a result of noncompliance with applicable laws and regulations. 7 2007-11-01