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| NCP100 Advance Information Sub 1V Precision Adjustable Shunt Regulator The NCP100 is a programmable shunt regulator that provides accurate referencing for voltage levels of 1 volt and below. This device is targeted at low voltage applications where a 1.25 volt bandgap reference is not suitable. This device exhibits wide operating currents of 0.1 to 20 mA and has sufficient current for driving opto-couplers. Additional applications include feedback isolation for secondary side regulation of power supplies. Features: http://onsemi.com 5 1 TSOP-5 SN SUFFIX CASE 483 * * * * * * * * * * * * * * Programmable Output Voltage Range of 0.9 to 6.0 V @ 25C Tight Voltage Reference Tolerance of 1% Low Dynamic Output Impedance, 0.2 W typical Sink Current Capability of 0.10 mA to 20 mA Equivalent Full-Range Temperature Coefficient of < 50 ppm/C Operating Temperature Range of -40C to 85C Micro Miniature TSOP-5 Packaging Laptop Computers Hand-Held Instrumentation Personal Data Loggers Cellular Phones Camcorders and Cameras Secondary Regulation of Power Supplies Reliable Reference for single cell Alkaline, NiCD and NiMH Battery Applications PIN CONNECTIONS AND MARKING DIAGRAM NC Anode Cathode 1 RAByw 2 3 5 Anode Applications: 4 Ref yw = Date Code (Top View) ORDERING INFORMATION Device NCP100SNT1 Package TSOP-5 Shipping 3000 Units / 7 Reel Representative Block Diagram Cathode (K) Reference (R) Anode (A) This document contains information on a new product. Specifications and information herein are subject to change without notice. (c) Semiconductor Components Industries, LLC, 2000 1 July, 2000 - Rev. 1 Publication Order Number: NCP100/D NCP100 PIN DESCRIPTION AAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAA A 1 2 3 4 5 NC No Connect Anode Anode - Typically Connected Directly to Ground Reference Voltage Output Cathode (K) Reference Anode Input for Reference Voltage Adjustment Connection Anode - Typically Connected Directly to Ground Pin No. Name Description Typical Application Circuit Rin Vin R1 1F REF R2 Vka Eq1: Vka = 0.700 (1 + R1/R2) + Iref * R1 COMPONENT SELECTION Vka (nom) 0.90 V 1.19 V 6.00 V R1 10 kW 10 kW 10 kW R2 34.9 kW 14.3 kW 1.32 kW MAXIMUM RATINGS (TA = 25C, unless otherwise noted.) Rating Cathode Voltage Symbol Vka Ika Iak Ir Value 7.0 25 Unit V AAA A AA AAAAAAAAAAAAAAAAAAAAAAA A AA AAA AA AAAAAAAAAAAAAAAAAAAAAAA A AA AAAAAAAAAAAAAAAAAAAAAAA A AA AAAAAAAAAAAAAAAAAAAAAAA AAAAA A AAAAAAAAAAAAAAAAAAAAAAA A AA AA AAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAA A Operating Cathode Current mA mA mA C Anode-Cathode Forward Current Reference Current 2.0 2.0 Storage Temperature Tstg -55 to 125 225 125 260 Thermal Resistance - Junction to Air Maximum Junction Temperature RJA TJ C/W C C AAAAAAAAAAAAAAAAAAAAAAA A AA AAAAAAAAAAAAAAAAAAAAAAA A AA Lead Temperature (Soldering), 10 seconds Tsolder http://onsemi.com 2 NCP100 ELECTRICAL CHARACTERISTICS (CL = 1F, TA = 25C, unless otherwise noted.) Characteristic Operating Voltage Operating Current Symbol Vop Ika Min 0.9 0.1 Typ - - - - Max 6.0 20 Unit V AA A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A A A A AAAA A AAAA A AAA A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAA A A A A AAAA A AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAAA A AAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AA A A A A A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAA A A A A AAAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAA A AAA A AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA AAA A mA V Reference Voltage (Vka(nom) = 1.19 V, Ika = 10 mA) Vref TA = 25C TA = -40 to 85C 0.693 0.689 - 0.707 0.711 - Temperature Coefficient (Note 2) 25 - - - - - ppm/C V Reference Voltage (Vka(nom) = 0.9 V, Ika = 0.1 mA) (Figure 5) Line Regulation (Ika = 10 mA) Vref (min) TA = 25C TA = -40 to 85C 0.685 0.680 -10 0 0.707 0.711 10 10 Vka = 0.9 V to 1.19 V Vka = 1.19 V to 6.0 V LR1 LR2 Iref Ioff mV nA W Reference Input Current (Ika = 10 mA, Vka = 1.19 V) Dynamic Output Impedance (Ika = 1 mA to 20 mA, Vka(nom) = 0.9 V, f < 1 kHz) -150 - 0 150 95 Cathode Current in OFF State (Vref = 0 V, Vka = 6.0 V) 75 A Zka 0.2 0.4 1.For Vka(nom), a resistor divider is used, refer to the component selection table. 2.The average temperature coefficient of the reference input voltage, Vref is defined as: DV ref @ 25_C DT A X 106 ppm V + ref _C DV V ref + x 10 6 ref D T (V @ 25_C) A ref DV KA 3.The dynamic impedance ZKA is defined as |Z KA| + DI K With two external resistors, R1 and R2, (refer to Figure 1) the total dynamic impedance of the circuit is given by: |Z KA | [ |Z | KA 1 ) R1 R2 TYPICAL APPLICATIONS Rin Vin R1 CL R2 R2 V out + 1 ) R1 V ref R2 1 ) R1 V ref R2 Vout Rin Vin Vout R1 V out + Figure 1. Shunt Regulator Vin R1 Figure 2. High Current Shunt Regulator Vout R2 V out + 1 ) R1 V ref R2 be V out min + 0.9 V ) V Figure 3. Low Dropout Series Pass Regulator http://onsemi.com 3 NCP100 0.707 0.706 0.705 0.704 0.703 0.702 0.701 0.700 0.699 0.698 0.697 0.696 0.695 0.694 0.693 -45 -35 -25 -15 -5 0.707 0.706 0.705 0.704 0.703 0.702 0.701 0.700 0.699 0.698 0.697 0.696 0.695 0.694 0.693 0.692 0.691 0.690 0.689 0.688 0.687 Vka = 6.0 V Vref (V) Vka = 0.9 V Vref (V) T = 25C T = 70C T = 100C T = -40C T = 0C 5 15 25 35 45 55 65 75 85 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 Temperature (C) Ika (A) Figure 4. Vref over Temperature for Vka of 0.9 V and 6.0 V, Ika = 10 mA Figure 5. Minimum Ika versus Temperature Vka = 0.9 V (nom) 0.707 0.706 0.705 0.704 0.703 0.702 0.701 0.700 0.699 0.698 0.697 0.696 0.695 0.694 0.693 0.692 0.691 0.690 0.689 0.688 0.687 T = 100C T = 70C T = 25C T = 0C T = -40C 50 75 100 125 150 175 200 225 250 275 300 325 350 375 400 425 450 0.714 0.712 0.710 0.708 0.706 0.704 0.702 0.700 0.698 0.696 0.694 0.692 0.690 0.688 0.686 Vref (V) Vref (V) T = 100C T = 70C T = 25C T = 0C T = -40C 0.7 1.1 1.5 1.9 2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5 6.1 Ika (A) Vka (V) Figure 6. Minimum Ika versus Temperature Vka = 6.0 V (nom) Figure 7. Vref versus Vka over Temperature Ika = 10 mA http://onsemi.com 4 NCP100 150 100 50 Vka = 1.2 V 0 Vka(mV) -50 Ika = 10 mA Ika = 1 mA Ta = 25C CL = 1 F 50 100 150 200 250 300 Time (sec) 350 400 450 500 Figure 8. Transient Response of Vka to a Ika Step 1500 1200 Ika = 10 mA 1000 750 V ka (mV) 500 250 0 Vin 0V 0 2.0 V Ta = 25C CL = 1 F Ika = 0.1 mA 200 400 600 800 1000 1200 1400 1600 1800 2000 Time (sec) Figure 9. Turn-ON Time with Vka = 1.2 V http://onsemi.com 5 NCP100 APPLICATIONS INFORMATION The NCP100 is a precision adjustable shut regulator similar to the industry standard 431-type shunt reference. The device has been designed using a CMOS process. Each device is laser trimmed during wafer probe to achieve very tight reference accuracy and low reference temperature shift. The nominal value of the reference is 0.700 V. This lower voltage allows the device to be used in very low voltage applications where a traditional 1.25 V reference is not suitable. The device requires a minimum cathode to anode voltage of 0.9 V for proper operation. The typical configuration for this device is illustrated in Figure 1. The equation below can be used in calculating Vka: V ka + 0.700 (1 ) R1 R2) ) I ref * R1 (1) The NCP100 requires an output capacitor between the cathode and the anode. The minimum value for this component is 1 F. Since some types of capacitors have a wide tolerance on the value and in some cases a significant temperature co-efficient, it is important to ensure that this capacitor is u 1 F under all operating conditions. In addition to calculating the values or R1 and R2, the input resistance, Rin must also set for proper operation. This is determined by calculating the current going into the minimum operating current Ika plus the current through the R1/R2 resistor divider. In addition, the maximum current into the load must be determined. The sum of these three currents determines the current through Rin. This is reflected in equation 2: R in + (V in *V ) (I ) I )I ) ka ka load R1 R2 (2) Because the error amplifier is a CMOS design the value of Iref is extremely low so the error induced by this current can be neglected for most applications. Also because of the low Iref current, the R1 and R2 resistors can be higher impedance to minimize power dissipation. This value then should be reviewed to make sure that under worst case conditions, the minimum and maximum Ika values are within specification. http://onsemi.com 6 NCP100 INFORMATION FOR USING THE TSOP-5 SURFACE MOUNT PACKAGE MINIMUM RECOMMENDED FOOTPRINT FOR SURFACE MOUNTED APPLICATIONS Surface mount board layout is a critical portion of the total design. The footprint for the semiconductor packages must be the correct size to insure proper solder connection 0.094 2.4 interface between the board and the package. With the correct pad geometry, the packages will self align when subjected to a solder reflow process. 0.037 0.95 0.074 1.9 0.037 0.95 0.028 0.7 0.039 1.0 inches mm TSOP-5 (TSOP-5 is footprint compatible with SOT23-5) http://onsemi.com 7 NCP100 PACKAGE DIMENSIONS TSOP-5 SN SUFFIX PLASTIC PACKAGE CASE 483-01 ISSUE A D 5 1 2 4 3 S B NOTES: 1. DIMENSIONING AND TOLERANCING PER ANSI Y14.5M, 1982. 2. CONTROLLING DIMENSION: MILLIMETER. 3. MAXIMUM LEAD THICKNESS INCLUDES LEAD FINISH THICKNESS. MINIMUM LEAD THICKNESS IS THE MINIMUM THICKNESS OF BASE MATERIAL. DIM A B C D G H J K L M S MILLIMETERS MIN MAX 2.90 3.10 1.30 1.70 0.90 1.10 0.25 0.50 0.85 1.00 0.013 0.100 0.10 0.26 0.20 0.60 1.25 1.55 0_ 10 _ 2.50 3.00 INCHES MIN MAX 0.1142 0.1220 0.0512 0.0669 0.0354 0.0433 0.0098 0.0197 0.0335 0.0413 0.0005 0.0040 0.0040 0.0102 0.0079 0.0236 0.0493 0.0610 0_ 10 _ 0.0985 0.1181 L G A J C 0.05 (0.002) H K M ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein. SCILLC makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does SCILLC assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. "Typical" parameters which may be provided in SCILLC data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including "Typicals" must be validated for each customer application by customer's technical experts. SCILLC does not convey any license under its patent rights nor the rights of others. SCILLC products are not designed, intended, or authorized for use as components in systems intended for surgical implant into the body, or other applications intended to support or sustain life, or for any other application in which the failure of the SCILLC product could create a situation where personal injury or death may occur. Should Buyer purchase or use SCILLC products for any such unintended or unauthorized application, Buyer shall indemnify and hold SCILLC and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that SCILLC was negligent regarding the design or manufacture of the part. SCILLC is an Equal Opportunity/Affirmative Action Employer. PUBLICATION ORDERING INFORMATION NORTH AMERICA Literature Fulfillment: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303-675-2175 or 800-344-3860 Toll Free USA/Canada Fax: 303-675-2176 or 800-344-3867 Toll Free USA/Canada Email: ONlit@hibbertco.com Fax Response Line: 303-675-2167 or 800-344-3810 Toll Free USA/Canada N. American Technical Support: 800-282-9855 Toll Free USA/Canada EUROPE: LDC for ON Semiconductor - European Support German Phone: (+1) 303-308-7140 (Mon-Fri 2:30pm to 7:00pm CET) Email: ONlit-german@hibbertco.com French Phone: (+1) 303-308-7141 (Mon-Fri 2:00pm to 7:00pm CET) Email: ONlit-french@hibbertco.com English Phone: (+1) 303-308-7142 (Mon-Fri 12:00pm to 5:00pm GMT) Email: ONlit@hibbertco.com EUROPEAN TOLL-FREE ACCESS*: 00-800-4422-3781 *Available from Germany, France, Italy, England, Ireland CENTRAL/SOUTH AMERICA: Spanish Phone: 303-308-7143 (Mon-Fri 8:00am to 5:00pm MST) Email: ONlit-spanish@hibbertco.com ASIA/PACIFIC: LDC for ON Semiconductor - Asia Support Phone: 303-675-2121 (Tue-Fri 9:00am to 1:00pm, Hong Kong Time) Toll Free from Hong Kong & Singapore: 001-800-4422-3781 Email: ONlit-asia@hibbertco.com JAPAN: ON Semiconductor, Japan Customer Focus Center 4-32-1 Nishi-Gotanda, Shinagawa-ku, Tokyo, Japan 141-0031 Phone: 81-3-5740-2745 Email: r14525@onsemi.com ON Semiconductor Website: http://onsemi.com For additional information, please contact your local Sales Representative. http://onsemi.com 8 NCP100/D |
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