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| www.fairchildsemi.com ILC7071 100mA SOT-23-5 Ultra Low Noise CMOS RF-LDOTM Regulator Features * 1% output voltage accuracy * Only 10VRMS noise from 300Hz to 100kHz * Uses low ESR ceramic or Tantalum output capacitor to minimize noise and output ripple * Only 90A ground current at 100mA load * Ripple rejection up to 70dB at 1kHz, 60dB at 1MHz * Excellent line and load transient response * Guaranteed to 100mA output current * Industry standard five lead SOT-23-5 packages * Fixed 2.8V, 3.0V, 3.3V,3.6V, 4.7V, 5.0V, output voltage options * Metal mask option available for custom voltages between 2.5V and 8V Description The ILC7071 is a 100mA, Ultra Low Noise, Low Dropout (LDO) linear regulator, designed and processed in Impala's proprietary CMOS process technology This process combines the best CMOS features of low quiescent current, small size and low dropout voltage with the best bipolar features of high ripple rejection, ultra low noise and power handling capability. The ILC7071 offers a quiescent current of less than 100A, a logic level enable (regulator on/off) pin, and a low dropout voltage of 50mV at 10mA. With better than 70dB (1kHz) of ripple rejection, ultra low noise of 10V RMS and 1% output voltage accuracy, the ILC7071 sets a new standard in linear regulators for communications and personal electronics applications. The ILC7071 is designed to operate with small, low cost, ceramic capacitors and is stable over a wide range of ESR values. In addition to the output capacitor, the ILC7071 requires only a 1F input capacitor. The enable pin can be tied to V IN for easy device layout. The ILC7071 is available in a number of fixed output voltages ranging from 2.5V to 8V. An adjustable version will be available shortly. The ILC7071 is ideally suited for use in small size cordless and cellular handsets as well as many other low battery powered electronic devices. Please contact Fairchild for samples and application information. Applications * * * * Cellular phones Wireless communicators PDAs / palmtops / organizers Battery powered portable electronics Typical Applications V OUT 5 4 CBYPASS COUT ILC7071AIM5 1 2 3 ON/OFF + - CIN Rev. 1.5 (c)2001 Fairchild Semiconductor Corporation ILC7071 Pin Assignments 5 4 ILC7071AIM5 1 2 3 Pin Definitions Pin Number 1 2 Pin Name VIN GND On/Off CNOISE VOUT Pin Function Description Connect Directly to Supply Ground pin. Local ground for COUT On > 1.0V, off < 0.4V. Can be connected to VIN Noise Bypass Capacitor. Do Not Pin Connect Directly to GND Regulator Output, Connect COUT between this pin and the GND (pin 3) 3 4 5 Absolute Maximum Ratings Parameter Input Voltage ILC7071 ON/OFF Input Voltage Output Current Output Voltage Package Power Dissipation Maximum Junction Temp. Range Storage Temperature Operation Ambient Temperature Symbol VIN VON/OFF IOUT VOUT PD TJ(MAX) TSTG TAMB Ratings -0.3 to 9V -0.3 to VIN Short Circuit Protected -0.3 to VIN +0.3 TBD -40 to +125 -40 to +125 -40 to +85 Units V V mA V mW C C C (c)2001 Fairchild Semiconductor Corporation 2 ILC7071 Electrical Characteristics ILC7071 Unless otherwise specified, all limits are at TA = 25C, VIN = VOUT(NOM) + 1V, IOUT = 1mA, COUT = 1F, VON/OFF = 2V Parameter Input Voltage Range Output Voltage Accuracy Line Regulation Dropout Voltage (Note 3) Symbol VIN Conditions Typ. 2.5-8 1 0.007 0.1 50 70 235 66 67 90 0.1 1.5 0.6 0.3 1 120 TBD Units V % %/V mV Ground Pin Current Shutdown (OFF) Current ON/OFF Input Voltage ON/OFF Pin Input Current (Note 5) Peak Output Current (Note 4) Output Noise Voltage (RMS) Ripple Rejection Dynamic Line Regulation Dynamic Load Regulation Short Circuit Current Resistance Shutdown Discharge Notes: VOUT (NOM) + < 8V VOUT/ (VOUT*VIN) VIN VOUT IOUT = 10a VDO IOUT = 10mA IOUT = 20mA IOUT = 100mA IOUT = 0mA IGND IOUT = 10mA IOUT =100mA VON/OFF = 0V ION/OFF VON/OFF High = Regulator On Low = Regulator Off VON/OFF 0.6V Regulator OFF IIN ON/OFF VON/OFF 2V Regulator ON VOUT S 0.95V OUT(NOM), tPW = 2ms IOUT (peak) BW = 300Hz to 50kHz, CIN = 1F eN CNOISE = 0.01F, COUT = 1.0F, IOUT = 10mA Freq = 1kHz VOUT/VIN COUT = 1.0F IOUT = 100mA Freq = 10kHz Freq = 1MHz VOUT(line) VIN: VOUT(NOM) + 1V to VOUT(NOM) + 2V, tr/tf = 2s; IOUT = 80mA VOUT(load) IOUT: 1mA to 100mA; tr,5S ISC VOUT = 0V A A V A mA VRMS 70 50 65 14 40 200 1.5 dB mv mv mA k 1: Absolute maximum ratings indicate limits which when exceeded may result in damage to the component. Electrical specifications do not apply when operating the device outside of its rated operating conditions. 2: Specified Min/Max limits are production tested or guaranteed through correlation based on statistical control methods. Measurements are taken at constant junction temperature as close to ambient as possible using low duty pulse testing. 3: Dropout voltage is defined as the input to output differential voltage at which the output voltage drops 2% below the nominal value measured with a 1V differential. 4: Guaranteed by design 5: The device's shutdown pin includes a 2M internal pull down resistor connected to ground. (c)2001 Fairchild Semiconductor Corporation 3 ILC7071 Package Dimensions Dimensions shown in inches and (mm) 5-Lead plastic surface mount (SOT-23-5) 0.122 (3.10) 0.106 (2.70) 0.071 (1.80) 0.055 (1.40) 0.118 (3.00) 0.102 (2.60) PIN 1 0.037 (0.95) BSC 0.055 (1.40) 0.0393 (1.0) 0.057 (1.45) 0.035 (0.90) 10 0 0.0217 (0.55) 0.0138 (0.35) 0.0059 (0.15) 0.0019 (0.05) 0.019 (0.50) 0.0138 (0.35) SEATING PLANE 0.0078 (0.2) 0.0031 (0.08) SOT-23-5 Package Markings ILC7071AIM5-xx Output Voltage 2.8 3.0 3.3 3.6 4.7 5.0 Grade A A A A A A Order Information ILC7071AIM5-28 ILC7071AIM5-30 ILC7071AIM5-33 ILC7071AIM5-36 ILC7071AIM5-47 ILC7071AIM5-50 Supplied As: 3K Units on Tape and Reel 3K Units on Tape and Reel 3K Units on Tape and Reel 3K Units on Tape and Reel 3K Units on Tape and Reel 3K Units on Tape and Reel Ordering Information (TA = -40C to +85C) Product Number ILC7071AIM5-X Package 100mA, fixed voltage, SOT-23 package (c)2001 Fairchild Semiconductor Corporation 4 ILC7071 DISCLAIMER FAIRCHILD SEMICONDUCTOR RESERVES THE RIGHT TO MAKE CHANGES WITHOUT FURTHER NOTICE TO ANY PRODUCTS HEREIN TO IMPROVE RELIABILITY, FUNCTION OR DESIGN. FAIRCHILD DOES NOT ASSUME ANY LIABILITY ARISING OUT OF THE APPLICATION OR USE OF ANY PRODUCT OR CIRCUIT DESCRIBED HEREIN; NEITHER DOES IT CONVEY ANY LICENSE UNDER ITS PATENT RIGHTS, NOR THE RIGHTS OF OTHERS. LIFE SUPPORT POLICY FAIRCHILD'S PRODUCTS ARE NOT AUTHORIZED FOR USE AS CRITICAL COMPONENTS IN LIFE SUPPORT DEVICES OR SYSTEMS WITHOUT THE EXPRESS WRITTEN APPROVAL OF THE PRESIDENT OF FAIRCHILD SEMICONDUCTOR CORPORATION. As used herein: 1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant into the body, or (b) support or sustain life, and (c) whose failure to perform when properly used in accordance with instructions for use provided in the labeling, can be reasonably expected to result in a significant injury of the user. www.fairchildsemi.com 10/15/01 0.0m 001 Stock#DSxxxxxxxx 2001 Fairchild Semiconductor Corporation 2. A critical component in any component of a life support device or system whose failure to perform can be reasonably expected to cause the failure of the life support device or system, or to affect its safety or effectiveness. |
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