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| (R) STDD15 series LOW CAPACITANCE DETECTION DIODE MAIN PRODUCT CHARACTERISTICS IF(AV) VRRM Tj (max) VF (max) FEATURES AND BENEFITS s s 10 mA 15 V 150 C 0.51 V SOT323-3L STDD15-xxW SOT323-6L STDD15-xxS s s s Low diode capacitance Device designed for RF application Low profile package Available in 3 configurations Very low parasitic inductor & resistor SCHEMATIC DIAGRAM 1 3 2 Series configuration STDD15-04W DESCRIPTION The STDD15 is a dual diode series for the detection of a RF signal and the compensation of the voltage drift with the temperature. The SOT323 package makes the device ideal in application where the space saving is critical like mobile phones. The low junction capacitance will reduce the disturbance on the RF signal 1 2 3 4 5 6 Parallel configuration STDD15-07S 1 3 2 Common cathode configuration STDD15-05W ABSOLUTE RATINGS (limiting values) Symbol VRRM IF IFSM Tstg Tj Parameter Repetitive peak reverse voltage Continuous forward current Surge non repetitive forward current Storage temperature range Maximum operating junction temperature tp = 10ms Value 15 10 2 - 65 + 150 150 Unit V mA A C C August 2002 - Ed: 3A 1/6 STDD15 series THERMAL PARAMETERS Symbol Rth (j-a)* Junction to ambient Parameter Value 500 Unit C/W *: Mounted with minimum recommended pad size, PC board FR4. STATIC ELECTRICAL CHARACTERISTICS Symbol IR* Parameter Reverse leakage current Tests conditions Tj = 25C Tj = 125C Tj = 25C Tj = 125C V F* Forward voltage drop Tj = 25C Tj = 125C Tj = 25C Tj = 125C * Pulse test: tp 250s, Delta 2% Min. Typ. Max. 0.035 Unit A VR = 1V 6 VR = 15V 10 IF = 1 mA 350 230 IF = 10 mA 500 450 30 0.23 100 380 260 570 510 mV A ELECTRICAL CHARACTERISTICS Symbol C RF Ls Parameter Diode capacitance Forward resistance Series inductance Tests conditions VR = 0 V IF = 5 mA F = 1MHz F = 100MHz 15 1.5 Min. Typ. Max. 1.0 Unit pF nH 2/7 STDD15 series Fig. 1: Forward voltage drop versus forward current (typical values). IFM(mA) 1.E+02 1.E+02 Tj=125C Fig. 2: Reverse leakage current versus reverse voltage applied (typical values). IR(A) 1.E+01 1.E+01 1.E+00 Tj=125C Tj=85C 1.E-01 1.E+00 Tj=85C Tj=25C Tj=-40C Tj=25C 1.E-02 VFM(V) 1.E-03 VR(V) 1.2 0.0 2.5 5.0 7.5 10.0 12.5 15.0 1.E-01 0.0 0.2 0.4 0.6 0.8 1.0 Fig. 3: Differential forward resistance versus forward current (typical values). 100 Fig. 4: Junction capacitance versus reverse voltage applied (typical values). C(pF) 1.0 RF() F=10kHz Tj=25C 0.9 0.8 0.7 0.6 F=1MHz Vosc=30mVRMS Tj=25C 10 0.5 0.4 0.3 0.2 IF(mA) 1 1.0 10.0 100.0 0.1 0.0 0.0 2.5 5.0 VR(V) 7.5 10.0 12.5 15.0 Fig. 5: Variation of thermal impedance junction to ambient versus pulse duration (printed circuit board, epoxy FR4). Zth(j-a)(C/W) 1000.0 Fig. 6: Thermal resistance junction to ambient versus copper surface under each lead (printed circuit board, epoxy FR4).. Rth(j-a) 600 550 500 100.0 450 400 tp(s) 10.0 1.E-02 1.E-01 1.E+00 1.E+01 1.E+02 350 S(mm) 300 0 5 10 15 20 25 30 35 40 45 50 3/6 STDD15 series Electrical Model (PSPICE) Parameter Is N M Vj Eg Xti Rs Cjo Bv Ibv Value 2.66 e-8 1.04 0.772 0.65 0.69 2 15 0.85 e-12 20 10 e-3 W F V A V eV Unit A PACKAGE MECHANICAL DATA SOT323-3L DIMENSIONS A REF. A1 D Millimeters Min. Typ. Max. 1.1 0.1 0.4 Min. 0.031 0.0 0.010 Inches Typ. Max. 0.043 0.004 0.016 0.010 A A1 b b 0.8 0.0 0.25 0.1 1.8 1.15 2.0 1.25 0.65 1.8 0.1 0 2.1 0.2 c D E 0.26 0.004 2.2 L 0.071 0.079 0.086 1.35 0.045 0.049 0.053 0.026 2.4 0.3 30 0.071 0.083 0.094 0.004 0.008 0.012 0 30 H E e H L c e FOOTPRINT (in millimeters) 0.95 2.9 1 0.8 0.50 4/6 STDD15 series PACKAGE MECHANICAL DATA SOT323-6L DIMENSIONS A A2 A1 REF. A A1 A2 Millimeters Min. 0.8 0 0.8 0.15 0.1 1.8 1.15 1.8 0.1 0.1 Max. 1.1 0.1 1 0.3 0.18 2.2 1.35 2.4 0.4 0.45 Inches Min. 0.031 0 0.031 0.006 0.004 0.071 0.045 0.071 0.004 0.004 Max. 0.043 0.004 0.039 0.012 0.007 0.086 0.053 0.094 0.016 0.018 D e L e b c D E e HE HE E 0.65 Typ. 0.025 Typ. Q1 c b Q1 L FOOTPRINT (in millimeters) 0.3mm 1mm 2.9mm 1mm 0.35mm Note: The device fulfills the MSL level 1 after leadfree soldering profile. Ordering code STDD15-04W STDD15-05W STDD15-07S Marking 24 25 D25 Package SOT323-3L SOT323-3L SOT323-6L Weight 0.006 g 0.006 g 0.006 g Base qty 3000 3000 3000 Delivery mode Tape & reel Tape & reel Tape & reel 5/6 STDD15 series Information furnished is believed to be accurate and reliable. However, STMicroelectronics assumes no responsibility for the consequences of use of such information nor for any infringement of patents or other rights of third parties which may result from its use. No license is granted by implication or otherwise under any patent or patent rights of STMicroelectronics. Specifications mentioned in this publication are subject to change without notice. This publication supersedes and replaces all information previously supplied. STMicroelectronics products are not authorized for use as critical components in life support devices or systems without express written approval of STMicroelectronics. The ST logo is a registered trademark of STMicroelectronics (c) 2002 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - Finland - France - Germany Hong Kong - India - Israel - Italy - Japan - Malaysia - Malta - Morocco - Singapore Spain - Sweden - Switzerland - United Kingdom - United States. http://www.st.com 6/6 |
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