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| (R) EMIF01-5250SC5 EMI FILTER WITH ESD PROTECTION Application Specific Discretes A.S.D.TM MAIN APPLICATIONS Where EMI filtering in ESD sensitive equipment is required : Mobile phone : handsets and accessories RF communications DESCRIPTION The EMIF01-5250SC5 is a highly integrated T-filter designed to suppress EMI / RFI noise on I/O ports of mobile phones or RF communication equipment. This filter includes ESD protection circuitry which prevents device destruction when subjected to ESD discharges. The comprehensive layout of the EMIF01-5250SC5 filter allows design flexibility on high density boards. FEATURES T-filtering functions for 2 wires. ESD protection of 15 kV (air discharge) per IEC1000-4-2 Breakdown voltage : VBR = 6 V min. Low leakage current < 1 A. 1 SOT23-5L (SC-59A) FUNCTIONAL DIAGRAM R D Cz C R Cz D 4 2 D 3 Cz R C R Cz D 5 BENEFITS EMI / RFI noise suppression. Enhanced ESD protection : IEC1000-4-2 level 4 One of the smallest protection circuits available High flexibility in the design of high density boards R = 52 tolerance 15% C = 50 pF tolerance 15% D = Zener diode Cz = Capacitance of the zener diode COMPLIES WITH THE FOLLOWING STANDARDS IEC 1000-4-2 15kV 8 kV (air discharge) (contact discharge) October 1998 - Ed: 5A 1/5 EMIF01-5250SC5 ABSOLUTE MAXIMUM RATINGS (Tamb = 25 C) Symbol VPP Parameter and test conditions ESD discharge IEC1000-4-2, air discharge ESD discharge IEC1000-4-2, contact discharge Tj Top Tstg TL Junction temperature Operating temperature range Storage temperature range Lead temperature for soldering during 10s Value 15 8 150 -30 to + 85 -55 to +150 260 C C C C Unit kV ELECTRICAL CHARACTERISTICS of the ZENER DIODE (Tamb = 25 C) I Symbol VBR IRM Rd CZ trr Parameter Breakdown voltage VBR VRM IRM IR Leakage current Dynamic impedance Rd V IPP Zener capacitance Reverse recovery time Symbol VBR IRM Rd Cz trr IR = 1 mA VRM = 3V Test conditions Min. 6 Typ. 7 Max. 8 1 Unit V A pF ns Ipp = 10 A, tp = 2.5 s 0 V bias, VRMS = 30 mV, F = 1 MHz IF = 10 mA, dIF/dt = 20 A/s, RL = 100 , Tj = 25 C 0.55 90 40 2/5 EMIF01-5250SC5 ATTENUATION BEHAVIOR Input Output GND EMIF01-5250SC5 3/5 EMIF01-5250SC5 ESD BEHAVIOR Fig 2 : ESD measurement conditions ESD Generator NSG435 Vcl input Vcl output EMIF01 Fig 3 : ESD behavior on IEC1000-4-2 air discharge at input (typical value) Fig 4 : ESD behavior on IEC1000-4-2 air discharge at output (typical value) Figures 3 and 4 show the EMIF01-5250SC5 response to air and contact discharge conditions respectively at input and output pins. These figures indicate that the response is spontaneous and the output level is kept at safe operating voltages. 4/5 EMIF01-5250SC5 ORDER CODE EMIF 01 ELECTRO MAGNETIC INTERFERENCE FILTER NUMERICAL CODE MARKING Type & order code EMIF01-5250SC5 PACKAGE MECHANICAL DATA A - 5250 SC5 PACKAGE : SOT23 -5L R & C values Marking EMIF Packaging tape & reel Base qty (pcs) 3000 H A2 DIMENSIONS REF. Millimeters Min. Typ. Max. Min. 1.45 0.15 1.30 0.50 0.20 3.00 1.75 0.95 2.60 0.10 3.00 0.102 0.60 0.004 10 0.035 0 0.035 0.0137 0.004 0.11 0.059 0.0374 0.118 0.024 10 0.90 0 0.90 0.35 0.09 2.80 1.50 Inches Typ. Max. 0.057 0.006 0.0512 0.02 0.008 0.118 0.0689 e D b e A1 E M c L A A1 A2 b c D E e H L M RECOMMENDED FOOT PRINT 0.65 0.025 1.3 0.051 3.6 0.137 1 0.040 mm inch 0.95 0.037 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) 1998 STMicroelectronics - Printed in Italy - All rights reserved. STMicroelectronics GROUP OF COMPANIES Australia - Brazil - Canada - China - France - Germany - Italy - Japan - Korea - Malaysia - Malta - Mexico - Morocco The Netherlands - Singapore - Spain - Sweden - Switzerland - Taiwan - Thailand - United Kingdom - U.S.A. http://www.st.com 5/5 |
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