ATR2805D/HB

ATR28XXD IRF | Alldatasheet

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28V Input, Dual Output The advanced feedback design provides fast loop re- sponse for superior line and load transient character- istics and offers greater reliability and radiation toler- ance than devices incorporating optical feedback cir- cuits. Three standard temperature grades are offered with screening options. Refer to Part Number section. They can be provided in a standard plug-in package for PC mounting or in a flanged package for more severe en- vironments. These converters are manufactured in a facility certi- fied to MIL-PRF-38534. All processes used to manu- facture these converters have been qualified to enable Advanced Analog to deliver compliant devices. Four screening grades are available to satisfy a wide range of requirements. The CH grade converters are fully compliant to MIL-PRF-38534 for class H. The HB grade converters are processed to full class H screen- ing but do not have class H element evaluation as re- quired by MIL-PRF-38534. Both grades are fully tested and operate over the full military temperature range without derating of output power. The ES version is a full temperature device without the full class H or ele- ment evaluation. The non-suffix device is a low cost limited temperature range option. Variations in electrical, mechanical and screening can be ac- commodated. Extensive computer simulation using complex modeling enables rapid design modification to be provided. Contact Advanced Analog with spe- cific requirements. The A TR28XXD Series of DC/DC converters feature high power density and an extended temperature range for use in military and industrial applications. Designed to MIL-STD-704D input requirements, these devices have nominal 28VDC inputs with ±12V and ±15V dual outputs to satisfy a wide range of requirements. The circuit design incorporates a pulse width modulated single forward topology operating in the feed-forward mode at a nominal switching frequency of 550KHz. Input to output isolation is achieved through the use of transformers in the forward and feedback circuits. PD - 94550

2 www.irf.com ATR28XXD Series Specifications TCASE = -55°C to +85°C, VIN = +28V ± 5% unless otherwise specified ABSOLUTE MAXIMUM RATINGS Input Voltage -0.5V to 50VDC Power Output Internally limited, 36W typical Soldering 300°C for 10 seconds Temperature Range Recommended Operating -55°C to +85°C Maximum Operating -55°C to +115°C Storage -65°C to +135°C ATR2812D ATR2815D PARAMETER Condition IN = 28 VDC ±5%, CL=0, unless otherwise specified Min Typ Max Min Typ Max Units STATIC CHARACTERISTICS OUTPUT V IN = 16 to 40 VDC Current Ripple Full Load, 20KHz to 2MHz 40 85 40 85 mV p-p Power 30 30 W REGULATION Line Load VIN = 16 to 40 VDC IOUT = 0 to Full Load 120 150 mV mV CROSS REGULATION V IN = 16, 28, and 40 VDC ±5 ±5 % INPUT Voltage Range Current Ripple Current No Load, pin 2 = open Inhibited, pin 2 tied to pin 10 Full Load 16.0 28.0 40.0 16.0 28.0 40.0 V DC mA DC mA DC mA p-p EFFICIENCY Full Load TC = +25°C 82 82 % ISOLATION Input to output @500 V DC 100 100 M Ω CAPACITIVE LOAD No effect on performance TC = +25°C (total for both outputs) 100 100 µF Load Fault Power Dissipation Short Circuit Overload, TC = +25°C W W Switching Frequency I OUT = Full Load 500 600 500 600 KHz SYNC Frequency Range 500 700 500 700 KHz DYNAMIC CHARACTERISTICS Step Load Changes Output Transient Recovery 50% Load to 100% Load No Load to 50% Load 50% Load to 100% Load No Load to 50% Load 50% Load to No Load ±100 ±250 500 ±100 ±250 500 mVpk mVpk µs µs ms Step Line Changes Output Transient Recovery Input step 16 to 40 VDC Input step 40 to 16 VDC Input step 16 to 40 VDC Input step 40 to 16 VDC ±180 -600 ±180 -600 mVpk mVpk ms ms TURN-ON Overshoot Delay VIN = 16 to 40 VDC IOUT = O and Full Load 600 600 mVpk ms Load Fault Recovery V IN = 16 to 40 VDC 14 25 14 25 ms Notes to Specifications 1. Above +85°C case temperature, derate output power linearly to 0 at +115°C case. 2. Recovery time is measured from the initiation of the input transient to where VOUT has returned to within ±1% of VOUT at 50% load. 3. Turn-on delay time measurement is for either an application of power at the input or a signal at the inhibit pin. 4. Load current split equally between +VOUT and –VOUT . 5. Up to 90% of Full Power is available from either output provided. The total power output does not exceed 30 watts. 6. 3W load on output under test, 3W to 27W on other output. 7. Sync. Input signal: VIL = -0.5V Min, VIN = 2.5V Min, 10% to 90% duty cycle, 0.8V Max 11.5V Max

www.irf.com 3 ATR28XXD Series TCASE = -55°C to +125°C, VIN = +28V ± 5% unless otherwise specified ABSOLUTE MAXIMUM RATINGS Input Voltage -0.5V to 50VDC Power Output Internally limited, 36W typical Soldering 300°C for 10 seconds Temperature Range Recommended Operating -55°C to +125°C Maximum Operating -55°C to +135°C Storage -65°C to +135°C Notes to Specifications 1. Above +125°C case temperature, derate output power linearly to 0 at +135°C case. 2. Recovery time is measured from the initiation of the input transient to where VOUT has returned to within ±1% of VOUT at 50% load. 3. Turn-on delay time measurement is for either an application of power at the input or a signal at the inhibit pin. 4. Load current split equally between +VOUT and –VOUT . 5. Up to 90% of Full Power is available from either output provided. The total power output does not exceed 30 watts. 6. 3W load on output under test, 3W to 27W on other output. 7. Sync. Input signal: VIL = -0.5V Min, VIN = 2.5V Min, 10% to 90% duty cycle 0.8V Max, 11.5V Max ATR2812D/ES ATR2815D/ES PARAMETER Condition IN = 28 VDC ±5%, CL=0, unless otherwise specified Min Typ Max Min Typ Max Units STATIC CHARACTERISTICS OUTPUT V IN = 16 to 40 VDC Current Ripple Full Load, 20KHz to 2MHz 40 85 40 85 mV p-p Power 30 30 W REGULATION Line Load VIN = 16 to 40 VDC IOUT = 0 to Full Load 120 150 mV mV CROSS REGULATION V IN = 16, 28, and 40 VDC ±5 ±5 % INPUT Voltage Range Current Ripple Current No Load, pin 2 = open Inhibited, pin 2 tied to pin 10 Full Load 16.0 28.0 40.0 16.0 28.0 40.0 VDC mA DC mA DC mA p-p EFFICIENCY Full Load TC = +25°C 80 82 79 82 % ISOLATION Input to output @500 V DC 100 100 M Ω CAPACITIVE LOAD No effect on performance TC = +25°C (total for both outputs) 100 100 µF Load Fault Power Dissipation Short Circuit Overload, TC = +25°C W W Switching Frequency I OUT = Full Load 500 600 500 600 KHz SYNC Frequency Range 500 700 500 700 KHz DYNAMIC CHARACTERISTICS Step Load Changes Output Transient Recovery 50% Load to 100% Load No Load to 50% Load 50% Load to 100% Load No Load to 50% Load 50% Load to No Load ±100 ±250 500 ±100 ±250 500 mVpk mVpk µs µs ms Step Line Changes Output Transient Recovery Input step 16 to 40 VDC Input step 40 to 16 VDC Input step 16 to 40 VDC Input step 40 to 16 VDC ±180 -600 ±180 -600 mVpk mVpk ms ms TURN-ON Overshoot Delay VIN = 16 to 40 VDC IOUT = O to Full Load 600 600 mVpk ms Load Fault Recovery V IN = 16 to 40 VDC 14 25 14 25 ms Specifications

4 www.irf.com ATR28XXD Series TCASE = -55°C to +125°C, VIN = +28V ± 5% unless otherwise specified ABSOLUTE MAXIMUM RATINGS Input Voltage -0.5V to 50VDC Power Output Internally limited, 36W typical Soldering 300°C for 10 seconds Temperature Range Recommended Operating -55°C to +125°C Maximum Operating -55°C to +135°C Storage -65°C to +135°C ATR2812D/HB ATR2815D/HB PARAMETER Condition -55°C ≤ TC ≤ +125°C, VIN = 28 VDC ±5%, CL=0, unless otherwise specified Min Typ Max Min Typ Max Units STATIC CHARACTERISTICS OUTPUT V IN = 16 to 40 VDC Current Ripple Full Load, 20KHz to 2MHz 40 85 40 85 mV p-p Power 30 30 W REGULATION Line Load VIN = 16 to 40 VDC IOUT = 0 to Full Load 120 150 mV mV CROSS REGULATION V IN = 16, 28, and 40 VDC ±5 ±5 % INPUT Voltage Range Current Ripple Current No Load, pin 2 = open Inhibited, pin 2 tied to pin 10 Full Load 16.0 28.0 40.0 16.0 28.0 40.0 V DC mA DC mA DC mA p-p EFFICIENCY Full Load TC = +25°C 80 82 79 82 % ISOLATION Input to output @500 V DC 100 100 M Ω CAPACITIVE LOAD No effect on performance TC = +25°C (total for both outputs) 100 100 µF Load Fault Power Dissipation Short Circuit Overload, TC = +25°C W W Switching Frequency I OUT = Full Load 500 600 500 600 KHz SYNC Frequency Range 500 700 500 700 KHz DYNAMIC CHARACTERISTICS Step Load Changes Output Transient Recovery 50% Load to 100% Load No Load to 50% Load 50% Load to 100% Load No Load to 50% Load 50% Load to No Load ±100 ±250 500 ±450 ±760 1500 ±100 ±250 500 ±450 ±750 1500 mVpk mVpk µs µs ms Step Line Changes Output Transient Recovery Input step 16 to 40 VDC Input step 40 to 16 VDC Input step 16 to 40 VDC Input step 40 to 16 VDC ±180 -600 1200 -1500 ±180 -600 1500 -1500 mVpk mVpk ms ms TURN-ON Overshoot Delay VIN = 16 to 40 VDC IOUT = O to Full Load 600 600 mVpk ms Load Fault Recovery V IN = 16 to 40 VDC 14 25 14 25 ms Notes to Specifications 1. Above +125°C case temperature, derate output power linearly to 0 at +135°C case. 2. Recovery time is measured from the initiation of the input transient to where VOUT has returned to within ±1% of VOUT at 50% load. 3. Turn-on delay time measurement is for either an application of power at the input or a signal at the inhibit pin. 4. Load current split equally between +VOUT and –VOUT . 5. Up to 90% of Full Power is available from either output provided. The total power output does not exceed 30 watts. 6. 3W load on output under test, 3W to 27W on other output. 7. Sync. Input signal: VIL = -0.5V Min, VIN = 2.5V Min, 10% to 90% duty cycle 0.8V Max, 11.5V Max Specifications

www.irf.com 5 ATR28XXD Series TCASE = -55°C to +125°C, VIN = +28V ± 5% unless otherwise specified ABSOLUTE MAXIMUM RATINGS Input Voltage -0.5V to 50VDC Power Output Internally limited, 36W typical Soldering 300°C for 10 seconds Temperature Range Recommended Operating -55°C to +125°C Maximum Operating -55°C to +135°C Storage -65°C to +135°C Specifications ATR2812D/CH ATR2815D/CH PARAMETER Condition -55°C ≤ TC ≤ +125°C, VIN = 28 VDC ±5%, CL=0, unless otherwise specified Min Typ Max Min Typ Max Units STATIC CHARACTERISTICS OUTPUT V IN = 16 to 40 VDC Current Ripple Full Load, 20KHz to 2MHz 40 85 40 85 mV p-p Power 30 30 W REGULATION Line Load VIN = 16 to 40 VDC IOUT = 0 to Full Load 120 150 mV mV CROSS REGULATION V IN = 16, 28, and 40 VDC ±5 ±5 % INPUT Voltage Range Current Ripple Current No Load, pin 2 = open Inhibited, pin 2 tied to pin 10 Full Load 16.0 28.0 40.0 16.0 28.0 40.0 VDC mA DC mA DC mA p-p EFFICIENCY Full Load TC = +25°C 80 82 79 82 % ISOLATION Input to output @500 V DC 100 100 M Ω CAPACITIVE LOAD No effect on performance TC = +25°C (total for both outputs) 100 100 µF Load Fault Power Dissipation Short Circuit Overload, TC = +25°C W W Switching Frequency I OUT = Full Load 500 600 500 600 KHz SYNC Frequency Range 500 700 500 700 KHz DYNAMIC CHARACTERISTICS Step Load Changes Output Transient Recovery 50% Load to 100% Load No Load to 50% Load 50% Load to 100% Load No Load to 50% Load 50% Load to No Load ±100 ±250 500 ±450 ±760 1500 ±100 ±250 500 ±450 ±750 1500 mVpk mVpk µs µs ms Step Line Changes Output Transient Recovery Input step 16 to 40 VDC Input step 40 to 16 VDC Input step 16 to 40 VDC Input step 40 to 16 VDC ±180 -600 1200 -1500 ±180 -600 1500 -1500 mVpk mVpk ms ms TURN-ON Overshoot Delay VIN = 16 to 40 VDC IOUT = 0 to Full Load 600 600 mVpk ms Load Fault Recovery V IN = 16 to 40 VDC 14 25 14 25 ms Notes to Specifications 1. Above +125°C case temperature, derate output power linearly to 0 at +135°C case. 2. Recovery time is measured from the initiation of the input transient to where VOUT has returned to within ±1% of VOUT at 50% load. 3. Turn-on delay time measurement is for either an application of power at the input or a signal at the inhibit pin. 4. Load current split equally between +VOUT and –VOUT . 5. Up to 90% of Full Power is available from either output provided. The total power output does not exceed 30 watts. 6. 3W load on output under test, 3W to 27W on other output. 7. Sync. Input signal: VIL = -0.5V Min, VIN = 2.5V Min, 10% to 90% duty cycle 0.8V Max, 11.5V Max

6 www.irf.com ATR28XXD Series Connecting the inhibit input (Pin 2) to input common (Pin 10) will cause the converter to shut down. It is recommended that the inhibit pin be driven by an open collector device capable of sinking at least 400µA of current. The open cir- cuit voltage of the inhibit input is 11.5 ±1 VDC. Assuming that there is no forced air flow, the package temperature rise above ambient (∆T) may be calculated using the following expression: where A = the effective surface area in square inhes(in- cluding heat sink if used), P d = power dissipation in watts. The total surface area of the ATR standard package is 7.34 square inches. If a worse case full load efficiency of 78% is assumed, then the case temperature rise can be calculated as follows: Hence, if T AMBIENT = +25°C, the DC/DC converter case temperature will be approximately 147°C if no heat sink or air flow is provided. ATR28XXD Block Diagram

Application Information

∆Τ = 80 A –0.7 Pd 0.85 (°C) (1) WEffPP OUTd 581 13011 .=  −=  −= and ∆Τ = 80 (7.34) –0.7 (8.5) 0.85 = 122°C To calculate the heat sink area required to maintain a specific case temperature rise, equation (1) may be manipulated as follows: PKG d HEATSINK A P TA −  ∆= − 431 850 As an example, if it is desired to limit the case tempera- ture rise to a maximum of 50°C above ambient, the required effective heat sink area is: 431 850 119347 5880 50 inAHEATSINK .. ).( . =− EMI Filter An EMI filter (AFC461), available as an option, will reduce the input ripple current to levels below the limits imposed by MIL-STD-461B CEO3. Whenever multiple DC/DC converters are utilized in a single system, significant low frequency noise may be generated due to slight difference in the switching frequencies of the converters (beat frequency noise). Because of the low fre- quency nature of this noise (typically less than 10KHz), it is difficult to filter out and may interfere with proper operation of sensitive systems (communications, radar or telemetry). The Advanced Analog ATR28xx converters provide a syn- chronizing input permitting synchronization of multiple con- verters to the frequency of the users system clock, thereby minimizing this type of noise. Device Synchronization +Vout Return Pulse Width Modulator Primar y Housekee ping Su pp ly EMI Filter1 +Input Enable S ync Input Return FB CS Dri ve 5 -Vout Case Error Amp & Ref Re gulator

www.irf.com 7 ATR28XXD Series Pin Designation ATR28XXD Case Outlines Flanged Non-Flanged Part Numbering 2.550 1.110

0.040 D X

0.26 L Pins

4 X 0.400 =1.600 2.880 Max 2.110 Max 0.390 Max 0.050 61 0 987 0.800 123 54 2.110 0.390 Max Ø 0.162

2 Holes

Pin No. Designation

1 Positive Input

2 Inhibit Input

3 Positive Output

4 Output Return

5 Negative Output

6 N/C

7 N/C

8 Case

9 Sync.

10 Input Return

28 = 28V Nominal Output Voltage Single - 05, 12, 15VDC Dual - 12 = ±12V, 15 = ±15V Triple - 12 = 5V, ±12V 15 = 5V, ±15V Outputs S = Single D = Dual T = Triple Screening – , ES, HB, CH Package Style F = Flange Omit for Non-flange

8 www.irf.com ATR28XXD Series Available Standard Military Drawing (SMD) Cross Reference WORLD HEADQUARTERS: 233 Kansas St., El Segundo, California 90245, Tel: (310) 322 3331 ADVANCED ANALOG: 2270 Martin Av., Santa Clara, California 95050, Tel: (408) 727-0500 Visit us at www.irf.com for sales contact information. Data and specifications subject to change without notice. 10/02 Available Screening Levels and Process Variations for ATR28XXD Series * Per Commercial Standards Requirement MIL-STD-883 Method No Suffix ES Suffix HB Suffix CH Suffix Temperature Range -20 to +85°C -55 °C to +125°C -55 °C to +125°C -55 °C to +125°C Element Evaluation MIL-PRF-38534 Internal Visual 2017 ∗ Yes Yes Yes Temperature Cycle

1010 Cond B Cond C Cond C

Burn-in 1015 48hrs @ 85°C 48hrs @ 125 °C 160hrs @ 125 °C 160hrs @ 125 °C Final Electrical (Group A) MIL-PRF- 38534 Seal, Fine & Gross 1014 ∗ Cond A, C Cond A, C Cond A, C External Visual 2009 ∗ Yes Yes Yes Standardized Military Drawing Pin Vendor CAGE Code Vendor Similar Pin 5962-9462701 52467 ATR2812D 5962-9462801 52467 ATR2815D