MFLHP2805S CRANE | Alldatasheet

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DESCRIPTION

The MFLHP Series™ 28 volt DC/DC converters are rated up to 100 watts output power over a -55° to +100°C temperature range with a 28 VDC nominal input. On dual output models, up to 70% of the rated output power can be drawn from either the positive or negative outputs. Current sharing allows the units to be paral- leled for total power of up to 228 watts. The welded, hermetically sealed package is only 3.005 x 1.505 x 0.400 inches, giving the series an overall power density of up to 67 watts per cubic inch. DESIGN FEATURES The MFLHP Series converters are switching regulators that use a quasi-square wave, single ended forward converter design with a constant switching frequency of 600 kHz. Isolation between input and output circuits is provided with a transformer in the forward path and wide bandwidth magnetic coupling in the feedback control loop. The MFLHP Series uses a unique dual loop feedback technique that controls output current with an inner feedback loop and output voltage with a cascaded voltage mode feedback loop. The additional secondary current mode feedback loop improves transient response in a manner similar to primary current mode control and allows for ease of paralleling. Tight load regulation is achieved through a wide-bandwidth magnetic feedback circuit. The output voltage on single MFLHP models can be easily trimmed by adding an external resistor. (See Figure 1 for voltage changes with different resistor values.) INHIBIT The MFLHP Series converters have two inhibit terminals (INH1 and INH2) that can be used to disable power conversion, resulting in a very low quiescent input current. A logic low (<0.8 volts) is required between INH1 (pin 4) and Input Common (pin 2) to inhibit the converter. A logic low (<0.5 volts) is required between INH2 (pin 12) and Output Common (pin 8) to inhibit the converter. The application of intermediate voltages to these pins (1.5 to 10.5 volts) should be avoided. SYNC Converters may be synced to an external clock (525 to 675 kHz) or to one another by using the sync in or out pins. The nominal free-run switching frequency is 600 kHz. CURRENT SHARING AND PARALLEL OPERATION Multiple MFLHP converters may be used in parallel to drive a common load (see Figure 3). In this mode of operation the load current is shared by two or three MFLHP converters. In current sharing mode, one MFLHP converter is designated as a master. The SLAVE pin (pin 11) of the master is left unconnected and the MSTR/INH2 pin (pin 12) of the master is connected to the SLAVE pin (pin 11) of the slave units. The units designated as slaves have the MSTR/INH2 pin (pin 12) connected to the SNS RTN pin (pin 9). Figure 3 shows the typical setup for two or three units in parallel. Note that synchronizing the units together (though shown in the figure) is not required for current sharing operation. A second slave unit may be placed in parallel with a master and slave; this requires the TRI pin (pin 3) of the master unit to be connected to the SNS RTN pin (pin 9). When paralleled, 76% of the total combined power ratings of the MFLHP converters are available at the load. Overload and short circuit performance are not adversely affected during parallel operation. MODELS VDC OUTPUT SINGLE DUAL ±12 ±15

FEATURES

  • -55° to +100°C operation
  • 19 to 40 VDC input
  • Fully Isolated
  • Magnetic feedback
  • Fixed frequency, 600 kHz typical
  • Topology – Single Ended Forward
  • 80 V for up to 50 ms transient protection
  • Inhibit function – input and output
  • Sync function – input and output
  • Output trim on single output models
  • Indefinite short circuit protection
  • Remote sense on single output models
  • Up to 87% efficiency
  • Parallelable up to 228 watts Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters Crane Aerospace & Electronics Electronics Group (Interpoint Brand) PO Box 97005 • Redmond WA 98073-9705 425.882.3100 • electronics@craneae.com www.craneae.com Page 1 of 11 Rev D - 20070703

28 VOLT INPUT – 100 WATT

OPERATING CONDITIONS AND CHARACTERISTICS Input Voltage Range

  • 19 to 40 VDC continuous
  • 80 V for 50 msec transient Output Power
  • 80 to 100 watts depending on model Lead Soldering Temperature (10 sec per pin)
  • 300°C Storage Temperature Range (Case)
  • -65°C to +150°C Power Dissipation (Pd) Max
  • 20 watts Case Operating Temperature (Tc)
  • -55 to +100°C full power
  • -55 to +135°C absolute Derating Output Power/Current
  • Linearly from 100% at 100°C to 0% at 135°C Output Voltage Temperature Coefficient
  • 100 ppm/°C typical Input to Output Capacitance
  • 150 pF typical Current Limit
  • 115% of full load typical Isolation
  • 100 megohm minimum at 500 VDC Audio Rejection
  • 50 dB typical Conversion Frequency
  • Free run mode 600 kHz typical 550 kHz min, 650 kHz. max
  • External sync range 525 to 675 kHz Inhibit Pin Voltage (unit enabled)
  • INH1 = 9 to12 V, INH2 = 6 to 9 V MECHANICAL AND ENVIRONMENTAL Size (maximum) See case U for dimensions. Weight (maximum) 100 grams Screening Standard or ES. See “100°C Non-QML Products—MIL-PRF-38534 Environmental Screening” for more information. SYNC IN AND INHIBIT (INH1, INH2) Sync In (525 to 675 kHz)
  • Duty cycle 40% min, 60% max
  • Logic low 0.8 V max
  • Logic high 4.5 V min
  • Referenced to input common Sync Out - Referenced to input common Inhibit (INH1, INH2) TTL Open Collector
  • Logic low (output disabled) Current –10 to –5 mA INH1 referenced to input common Logic low 0.8 V max INH2 referenced to output common Logic low 0.5 V max
  • Logic high (output enabled) Open collector Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters

www.craneae.com Page 2 of 11 Rev D - 20070703

Angled corner indicates pin one. TOP VIEW MFLHP (Pin side, marked side) See case U for dimensions. FIGURE 1: PIN OUT Pin Single Output Dual Output

1 Positive Input Positive Input

2 Input Common Input Common

3 Triple (TRI) Triple (TRI)

4 Inhibit 1 (INH1) Inhibit 1 (INH1)

5 Sync Out Sync Out

6 Sync In Sync In

7 Positive Output Positive Output

8 Output Common Output Common

9 Sense Return Negative Output

10 Positive Sense No connection

11 Slave Slave

12 Master / Inhibit 2 Master / Inhibit 2

(MSTR/INH2) (MSTR/INH2) PIN OUT PINS NOT IN USE TR1 Leave unconnected Master Leave unconnected Slave Leave unconnected Sync in Connect to input common Inhibit (INH1) Leave unconnected Inhibit (INH2) Leave unconnected Sync Out Leave unconnected Sense Lines Must be connected to appropriate outputs Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters www.craneae.com Page 3 of 11 Rev D - 20070703

SINGLE OUTPUT MODELS CONNECTION DIAGRAMS - SENSE AND PARALLEL RL REMOTE SENSE CONNECTION 28V Inhibit Sync In RL OUTPUT VOLTAGE ADJUST CONNECTION 28V Inhibit Sync In 0.1 0.2 0.3 0.4 0.5 140 210 280 350 100 125 100 RA (OHMS) 5–V 12–V 15–V VOUT INCREASE (VOLT) RA Positive Input Input Common TR1 INH1 Sync Out Sync In MSTR/INH2 Slave Pos. Sense Sense Return Output Common Positive Output Positive Input Input Common TR1 INH1 Sync Out Sync In MSTR/INH2 Slave Pos. Sense Sense Return Output Common Positive Output FIGURE 2: SENSE CONNECTIONS AND TRIM TABLE – SINGLE OUTPUT MODELS RL Positive Input Input Common TR1 INH1 Sync Out Sync In CONNECT ONLY WHEN 2 SLAVES ARE USED MSTR/INH2 Slave Pos. Sense Sense Return Output Common Positive Output MASTER SLAVE 1 SLAVE 2 28V Inhibit Sync In Positive Input Input Common TR1 INH1 Sync Out Sync In MSTR/INH2 Slave Pos. Sense Sense Return Output Common Positive Output Positive Input Input Common TR1 INH1 Sync Out Sync In MSTR/INH2 Slave Pos. Sense Sense Return Output Common Positive Output FIGURE 3: PARALLEL CONNECTIONS – SINGLE OUTPUT MODELS Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters www.craneae.com Page 4 of 11 Rev D - 20070703

(S = single, D = dual) (Standard screening has no designator in this position.) MODEL SELECTION MFLHP28 / Base model V out value number of outputs screening Choose one from each of the following rows: Vout value for singles and duals: 5, 12, 15 Number of outputs S (single) or D (dual) Screening standard screening, leave blank /ES (ES screening) Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters www.craneae.com Page 5 of 11 Rev D - 20070703

Electrical Characteristics: –55°C to +100°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified. Notes: 1. Guaranteed by design, not tested. 2. Unit will shut down above approximately 45V but will be undamaged and will restart when voltage drops into normal range. 3. Recovery time is measured from application of the transient to point at which Vout is within 1% of final value. 4. Transition time ≥ 10 μs. SINGLE OUTPUT MODELS MFLHP2805S MFLHP2812S MFLHP2815S UNITSPARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX OUTPUT CURRENT V IN = 19 TO 40 VDC 0 — 16 0 — 7.5 0 — 6.67 A OUTPUT POWER V IN = 19 TO 40 VDC 0 — 80 0 — 90 0 — 100 W OUTPUT RIPPLE

10 KHZ - 2 MHZ

TC = 25°C TC = -55°C TO +100°C — 15 35 — 30 75 — 30 75 — 45 125 — 30 85 — 45 150 mV p-p LINE REGULATION V IN = 19 TO 40 VDC — 0 20 — 0 20 — 0 20 mV LOAD REGULATION NO LOAD TO FULL — 0 20 — 0 20 — 0 20 mV INPUT VOLTAGE NO LOAD TO FULL CONTINUOUS 19 28 40 — — 80 19 28 40 — — 80 19 28 40 — — 80 VDC VTRANSIENT2 50 msec.1 INPUT CURRENT NO LOAD — 70 120 — 9 14 — 35 70 — 50 120 — 9 14 — 35 70 — 50 120 — 9 14 — 35 70 mAINHIBITED–INH1 INHIBITED–INH2 INPUT RIPPLE CURRENT

10 KHZ - 10 MHZ — 15 50 — 15 50 — 15 50 mA p-p

EFFICIENCY TC = 25°C 78 80 — 83 86 — 84 87 — % LOAD FAULT TC = 25°C POWER DISSIPATION SHORT CIRCUIT — 15 20 — 1.5 4 — 15 20 — 1.5 4 — 15 20 — 1.5 4 W m secRECOVERY1 STEP LOAD RESPONSE 50% - 100% - 50% TRANSIENT — 350 450 — 1.5 3.0 — 450 700 — 1.5 3.0 — 450 700 — 1.5 3.0 mV pk m s e cRECOVERY3 STEP LINE RESPONSE 19 - 40 -19 VDC TRANSIENT1, 4 — 250 400 — 200 300 — 250 400 — 200 300 — 250 400 — 200 300 mV pk μsRECOVERY1, 3 START-UP DELAY — 3.5 6 — 0 25 — 3.5 6 — 0 50 — 3.5 6 — 0 50 m sec mV pkOVERSHOOT1 Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters www.craneae.com Page 6 of 11 Rev D - 20070703

Notes: 1. Guaranteed by design, not tested. 2. Up to 70% of the total output power is available from either output providing the opposite output is simultaneously carrying 30% of the total power. 3. Effect on negative Vout from 50%/50% loads to 30%/70% or 70%/30% loads. 4. Effect on negative Vout from 50%/50% loads to 10% then 50% load on negative Vout. 5. Unit will shut down above approximately 45V but will be undamaged and will restart when voltage drops into normal range. 6. Recovery time is measured from application of the transient to point at which Vout is within 1% of final value. 7. Transition time ≥ 10 μs. 8. Parallel/current share operation is not characterized for dual output models. Electrical Characteristics: –50°C to +100°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified. DUAL OUTPUT MODELS8 MFLHP2805D MFLHP2812D MFLHP2815D UNITSPARAMETER CONDITIONS MIN TYP MAX MIN TYP MAX MIN TYP MAX OUTPUT VOLTAGE TC = 25°C + V OUT 4.95 5.00 5.05 4.92 5.00 5.08 11.88 12.00 12.12 11.82 12.00 12.18 14.85 15.00 15.15 14.77 15.00 15.23 VDC - VOUT OUTPUT CURRENT2 VIN = 19 TO 40 VDC EACH OUTPUT 0 — 11.2 0 — 16.0 0 — 5.3 0 — 7.5 0 — 4.67 0 — 6.67 ATOTAL OUTPUT OUTPUT POWER2 VIN = 19 TO 40 VDC EACH OUTPUT 0 — 56 0 — 80 0 — 63 0 — 90 0 — 70 0 — 100 WTOTAL OUTPUT OUTPUT RIPPLE ± VOUT

10 KHZ - 2 MHZ — 25 125 — 50 150 — 50 200 mV p-p

VIN = 19 TO 40 VDC + VOUT — 0 50 — 25 100 — 0 50 — 25 100 — 0 50 — 25 100 mV - VOUT LOAD REGULATION NO LOAD TO FULL + VOUT — 0 50 — 25 100 — 10 100 — 50 200 — 10 100 — 50 200 mV - VOUT CROSS REGULATION TC = 25°C SEE NOTE 3 SEE NOTE 4 — 6 8 — 7 8 — 2 4 — 2 4 — 2 4 — 2 4 % INPUT VOLTAGE NO LOAD TO FULL CONTINUOUS 19 28 40 0 — 80 19 28 40 0 — 80 19 28 40 0 — 80 VDC VTRANSIENT 50 msec.1, 5 INPUT CURRENT TC = 25°C NO LOAD — 50 120 — 9 14 — 35 70 — 50 100 — 9 14 — 35 70 — 50 100 — 9 14 — 35 70 mAINHIBITED–INH1 INHIBITED–INH2 INPUT RIPPLE CURRENT TC = 25°C BALANCED LOAD 78 80 — 83 86 — 84 87 — % LOAD FAULT TC = 25°C POWER DISSIPATION SHORT CIRCUIT — 15 20 — 1.5 4.0 — 15 20 — 1.5 4.0 — 15 20 — 1.5 4.0 W m secRECOVERY1 STEP LOAD RESPONSE ± VOUT 50% - 100% - 50% TRANSIENT — 350 450 — 1.5 3.0 — 450 700 — 1.5 3.0 — 450 700 — 1.5 3.0 mV pk m s e cRECOVERY6 STEP LINE RESPONSE ± VOUT 19 - 40 -19 VDC TRANSIENT1, 7 — 250 400 — 200 300 — 250 400 — 200 300 — 250 400 — 200 300 mV pk μsRECOVERY1, 6 START-UP8 DELAY — 3.5 6 — 0 25 — 3.5 6 — 0 50 — 3.5 6 — 0 50 m sec mV pkOVERSHOOT1 Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters www.craneae.com Page 7 of 11 Rev D - 20070703

Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified. Output (Watts) MFLHP2805S & MFLHP2805D Efficiency Efficiency (%) 10 30 50 70 90 28V 40V 19V FIGURE 4 Output Power (Watts) MFLHP2812S & MFLHP2812D Efficiency Efficiency (%) 10 30 50 70 90 19V 28V 40V FIGURE 5 FIGURE 6 10 30 50 70 90 Output Power (Watts) MFLHP2815S & MFLHP2815D Efficiency Efficiency (%) 19V 40V 28V 100 FIGURE 7 FIGURE 9 0.1 20. 40. 60. 80. 100. Attenuation (dB) Frequency (kHz) MFLHP Series Audio Rejection 1 10 100 100mV/div. 100% to 50% 50% to 100% 1ms/div MFLHP2805S Step Load Response 50 μs/div 19 to 40 V MFLHP2805S Step Line Response 100mV/div. 20V/div. Vout Vin FIGURE 8 1ms/div No Load MFLHP2805S Turn On Response 1V/div. 20V/div. Vin Vout FIGURE 10 50 μs/div 19 to 40 V MFLHP2815D Step Line Response 100mV/div. +Vout –Vout Vin 20V/div. FIGURE 11 FIGURE 12 1ms/div MFLHP2815D Step Load Response 200mV/div. 100% to 50% 50% to 100% Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters www.craneae.com Page 8 of 11 Rev D - 20070703

5V/div. 20V/div. VIN –Vout +Vout 1ms/div No Load MFLHP2815D Turn On Response 30 40 50 60 70 80 Output Power (Watts) Low Line Dropout Input Voltage (Volts) 100 MFLHP2805S & 5D MFLHP2815S & 15D MFLHP2812S & 12D 30 40 50 60 – 8 – 6 – 4 – 2 MFLHP2812D MFLHP2805D MFLHP2815D Output Load (%) +Pout 70 to 30 %, –Pout 30 to 70% Cross Regulation –Vout Voltage Change (%) FIGURE 14 Typical Performance Curves: 25°C Tc, 28 VDC Vin, 100% load, free run, unless otherwise specified. Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters www.craneae.com Page 9 of 11 Rev D - 20070703

indicates pin one. 0.000 0.050 (1.27) 0.000 0.120 (3.05) 0.250 (6.35) 0.450 (11.43) 0.650 (16.51) 0.850 (21.59) 1.050 (26.67) 1.250 (31.75) 1.380 (35.05) 1.505 (38.23) max. 0.000 0.120 (3.05) 0.250 (6.35) 2.750 (69.85) 2.880 (73.15) 3.005 (76.33) max. 0.128 dia (3.25). 0.040 dia (1.02) 0.23 (5.8) Lead Length 0.400 (10.16) max. 0.220 (5.59 TOP VIEW CASE U Flanged case, short-leaded Seam Seal Case dimensions in inches (mm) Tolerance ±0.005 (0.13) for three decimal places ±0.01 (0.3) for two decimal places unless otherwise specified CAUTION Heat from reflow or wave soldering may damage the device. Solder pins individually with heat application not exceeding 300°C for 10 seconds per pin Materials Header Cold Rolled Steel/Nickel/Gold Cover Kovar/Nickel Pins #52 alloy/Nickel/Gold; compression glass seal Case U, Rev C, 20060302 Please refer to the numerical dimensions for accuracy. All information is believed to be accurate, but no responsibility is assumed for errors or omissions. Interpoint reserves the right to make changes in products or specifications without notice. Copyright © 1999-2006 Interpoint Corp. All rights reserved. *Case U does not require designator in Case Option position of model number. FIGURE 16: CASE U Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converter Cases www.craneae.com Page 10 of 11 Rev D - 20070703

100°C NON-QML PRODUCTS, MIL-PRF-38534 ENVIRONMENTAL SCREENING TEST PERFORMED 100°C STANDARD NON-QML1 100°C /ES NON-QML1 Pre-cap Inspection Method 2017, 2032 yes yes Temperature Cycle (10 times) Method 1010, Cond. B, -55°C to 125°C, ambient no yes Constant Acceleration Method 2001, 500 g no yes Burn-in 96 hours, typical case temperature 100°C case 2 no yes Final Electrical Test MIL-PRF-38534, Group A Subgroups 1 and 4: +25°C case yes yes Hermeticity test Fine Leak, Method 1014, Cond. A Gross Leak, Method 1014, Cond. C Gross Leak, Dip (1 x 10 -3) no no yes yes yes no Final visual inspection Method 2009 yes yes Test methods are referenced to MIL-STD-883 as determined by MIL-PRF-38534. Notes: 1. Non-QML products do not meet all of the requirements of MIL-PRF-38534 2. Burn-in is still air with an ambient temperature designed to bring the case temperature to 100°C Crane Aerospace & Electronics Power Solutions MFLHP Single and Dual DC/DC Converters MFLHP Single and Dual, Rev D - 20070703. This revision supercedes all previous releases. All technical information is believed to be accurate, but no responsibility is assumed for errors or omissions. Interpoint reserves the right to make changes in product s or specifications without notice. MFLHP Series is a trademark of Interpoint. Copyright © 1999 - 2007 Interpoint Corporation. All r ights reserved. www.craneae.com Page 11 of 11