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PD - 94598A
AFM704A SERIES EMI FILTER / PROTECTION HYBRID
Description
The AFM704A is a combined EMI filter and protection module intended to be used with AHE, ATO, ATR, ATW, AHF, ASA, and AHV DC/DC converters to allow full compliance with the surge requirements of MIL-STD704A.This device will reduce reflected ripple current to levels below the CEO3 limits and protect against voltage spikes required by CS06 testing as specified by MIL-STD-461. Four levels of military screening are available, including fully compliant (per MIL-PRF38534) devices. Standard Military Drawings (SMDs) available.
AFM
Features
n n n n n n n n 40 watts throughout 40 dB Noise Reduction@100 KHz -55C to +125C Operation Full Military Screening All Ceramic Capacitor Design Output Voltage Regulate to 50 Volts Maximum Inrush Current Limiting Under Voltage Lockout
AFM704A Block Diagram
1
Series Protection Snubber Charge Pump CONTROLLER UV Lockout OV Clamp Oscillator
2
3
6
5
4
Refer to last page for Pin Designation
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03/07/06
AFM704A Series Specifications
Tcase = -55C to +125C, Vin = +28VDC Unless otherwise specified
Parameter Input Voltage Condition Continuous No load 40 watt Transient 100 ms, Rs*= 0 Ohms 60 ms, Rs*= 0.5 Ohms 20 s, Rs*= 50 Ohms No load Inhibited Open circuit Vin = 0 to 0.8V Vin = 16 to 40V Continuous Peak Vin = 16 to 40V Tc = 25C 40 40W load, 80V 100V 40W load, 600V 50 ohm source 40W load, 400V 0.5 ohm source 100 KHz 200 KHz - 50 MHz Pin to case Pin to case 500VDC Min 0 16 Typ 28 28 Max 40 40 80 100 600 15 5.0 2.0 5.2 -300 40 15 200 0.45 50 100 80 20 20 40 50 100 75 60 10,000 Unit VDC VDC VDC VDC VDC VDC mA mA VDC A watts watts watts Ohms VDC ms ms s s dB dB pf M grams
Undervoltage Lockout Input Current Inhibit Pin Voltage Inhibit Pin Current Output Power Power Dissipation DC Resistance Output Clamp Voltage Input Surge Limit Input Spike Limit
13
4.0
Noise Reduction Capacitance Isolation Weight
*
Rs = Source Impedance
Available Screening Levels and Process Variations for AFM704A Series
Requirement Temperature Range Element Evaluation Internal Visual Temperature Cycle Constant Acceleration Burn-in Final Electrical (Group A) Seal, Fine & Gross External Visual 2017 1010 2001 1015 MIL-PRF-38534 & Specification 1014 2009 Cond A Cond A, C Yes Cond A, C Yes Cond A, C Yes 48hrs@ 85C 25C MIL-STD-883 Method No Suffix -20 to +85C ES Suffix -55C to +125C HB Suffix -55C to +125C CH Suffix -55C to +125C MIL-PRF-38534
Yes Cond B 500g 48hrs@ 125C 25C
Yes Cond C Cond A 160hrs @ 125C -55, +25, +125C
Yes Cond C Cond A 160hrs @ 125C -55, +25, +125C
*
Per Commercial Standards
2
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AFM704A Series AFM704A Case Outlines
Flanged
O 0.162 (4.12) 2 Holes 0.050 (1.27) 0.040 D (1.02) X 0.26 L (6.60) Pins 0.800 (20.32)
Non-Flanged
2
3
4
2.870 (72.90) Max
2.550 (64.77)
2.110 (53.59) Max
1.600 (40.64)
2.120 Max (53.85)
1
6
5
1.110 (28.19)
0.380 (9.65) Max
0.380 Max (9.65)
Pin Designation
Pin No. 1 2 3 4 5 6 Designation Positive Input Positive Output Case Output Return Input Return Inhibit Input
Part Numbering AFM 704A N /CH
Model Applicable Military Test Standard Screening
Blank, ES, HB, CH
Case Style
Blank = Flanged N = Non-Flanged
Available Standard Miliatary Drawing (SMD) Cross Reference
Standard Military Drawing PIN 95010-01HXA 95010-01HZA Vendor CAGE Code 52467 52467 Vendor Similar PIN AFM704AN/CH AFM704A/CH
IR WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, USA Tel: (310) 252-7105 IR SANTA CLARA : 2270 Martin Av., Santa Clara, California 95050, Tel: (408) 727-0500 TAC Fax: (310) 252-7903 Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 03/2006
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