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ALD18 Dataheets PDF



Part Number ALD18
Manufacturers Astec America
Logo Astec America
Description (ALDxx) Single Output 16th Brick
Datasheet ALD18 DatasheetALD18 Datasheet (PDF)

Technical Reference Notes ALD12/18/20/25 Series (Single Output 16th Brick) ALD12/18/20/25 Single Output 16th Brick: 60Watts The ALD12/18/20/25 series is Astec’s latest 16th Brick industry standard offering. Operating from an input voltage range of 36V to 75V, the series provides 6 configured outputs from 1.2V all the way up to 5V. It delivers up to 25A max current for 1.8V and lower at impressive levels of efficiency. The series comes with industry standard features such as Input UVLO; non-latc.

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Technical Reference Notes ALD12/18/20/25 Series (Single Output 16th Brick) ALD12/18/20/25 Single Output 16th Brick: 60Watts The ALD12/18/20/25 series is Astec’s latest 16th Brick industry standard offering. Operating from an input voltage range of 36V to 75V, the series provides 6 configured outputs from 1.2V all the way up to 5V. It delivers up to 25A max current for 1.8V and lower at impressive levels of efficiency. The series comes with industry standard features such as Input UVLO; non-latching OCP, OVP and OTP; Output Trim; Differential Remote Sense pins. With its wide operating temperature range of -40°C to 85°C ambient, the converters are deployable into almost any environment. www.DataSheet4U.com Electrical Parameters Input Input Range Input Surge 36-75 VDC 100V / 100ms Control Enable TTL compatible (Positive or Negative Logic Enable Options) Output Special Features • • • • • • • • Industry Standard 16th Brick Footprint Low Ripple and Noise Output pre-bias startup Regulation to zero load High Capacitive Load Start-up Fixed Switching Frequency Industry standard features: Input UVLO; Enable; non-latching OVP, OCP and OTP; Output Trim, Differential Remote Sense Meets Basic Insulation Load Current Line/Load Regulation Ripple and Noise Adjust Range Transient Response Remote Sense Over Current Protection Over Voltage Protection Over Temperature Protection Up to 25A max (VO ≤ 1.8V) < 1% VO 40mVP-P typical ±10% VO 3% Typical deviation 50% to 75% Load Change 80µs settling time (Typ) +10%VO 120% max 130% max 110 °C Environmental Specifications • • • -40ºC to 85ºC Operating Temperature -40ºC to 125ºC Storage Temperature MTBF > 1 million hours Safety UL + cUL 60950, Recognized EN60950 through TUV-PS MODEL: ALD12/18/20/25 SERIES AUGUST 17, 2005 – REVISION C SHEET 1 OF 20 Technical Reference Notes ALD12/18/20/25 Series (Single Output 16th Brick) Electrical Specifications ABSOLUTE MAXIMUM RATINGS Stresses in excess of the absolute maximum ratings can cause permanent damage to the converter. Functional operation of the device is converter is not implied at these or any other conditions in excess of those given in the operational section of the specs. Exposure to absolute maximum ratings for extended period can adversely affect device reliability. Parameter Input Voltage1 Continuous Transient (100ms) Isolation Voltage Input to Output Operating Temperature Storage Temperature Operating Humidity Max Voltage at Enable Pin Max Output Power Device All Symbol VIN VIN, trans Min -0.3 1500 -40 -40 10 -0.6 Typ Max 75 100 85 125 85 25 60 60 50 45 38 30 Unit Vdc www.DataSheet4U.com All All All All All A (5V0) F (3V3) G (2V5) Y (1V8) M (1V5) K (1V2) Ta TSTG - Vdc ºC ºC % Vdc W W W W W W INPUT SPECIFICATIONS Parameter Operating Input Voltage Range Input Under-Voltage Lock-out T_ON Threshold T_OFF Threshold Input Current1 (VIN = VIN, Min; IO = IO, Max) Device All All Symbol VIN Min 36 34.0 31.0 Typ 48 34.8 32.5 Max 75 36.0 33.5 2.4 2.4 1.9 1.6 1.4 1.1 4.1 3.9 3.4 3.4 3.4 2.6 10 1 Unit Vdc Vdc A Max Pdiss @ IO = 0A (VIN = VIN, Nom; TA ≥ 25°C) Input Ripple Current2 5Hz to 20MHz Input Voltage Rise Time 10% to 90% of Vout Inrush Current 5V0 (A) 3V3 (F) 2V5 (G) 1V8 (Y) 1V5 (M) 1V2 (K) 5V0 (A) 3V3 (F) 2V5 (G) 1V8 (Y) 1V5 (M) 1V2 (K) All All All IIN-MAX - - W II1 - 1 - mAp-p V/ms A2/s I2/s - MODEL: ALD12/18/20/25 SERIES AUGUST 17, 2005 – REVISION C SHEET 2 OF 20 Technical Reference Notes ALD12/18/20/25 Series (Single Output 16th Brick) Electrical Specifications (continued) OUTPUT SPECIFICATIONS Parameter Output Voltage Set point VIN = VIN, MIN to VIN,MAX; IO =IO,Max Device 5V0 (A) 3V3 (F) 2V5 (G) 1V8 (Y) 1V5 (M) 1V2 (K) Max Symbol VO,SET www.DataSheet4U.com Min 4.930 3.260 2.465 1.770 1.470 1.180 0 0 0 0 0 0 4 13.0 19.5 21.5 26.5 26.5 26.5 5.9 3.9 3.0 2.1 1.8 1.4 110 90.0 89.0 88.5 87.0 83.5 82.0 Typ 5.000 3.300 2.500 1.800 1.500 1.200 0.1 0.1 0.3 40 6.2 4.1 3.2 2.4 2.1 1.6 91.0 90.0 89.5 88.0 84.5 83.0 Max 5.070 3.340 2.535 1.830 1.530 1.220 0.4 0.4 0.8 100 12 18 20 25 25 25 10,000 19 25 30 34 34 34 6.9 4.9 3.9 2.9 2.5 2.1 120 94.0 93.0 92.0 90.0 88.0 86.0 Unit Vdc Vdc Vdc Vdc Vdc Vdc %Vo %Vo %Vo mVp-p A Output Regulation Line: VIN = VIN, Min to VIN, Load: IO = IO, Min to IO, Max All All All All 5V0 (A) 3V3 (F) 2V5 (G) 1V8 (Y) 1V5 (M) 1V2 (K) All 5V0 (A) 3V3 (F) 2V5 (G) 1V8 (Y) 1V5 (M) 1V2 (K) 5V0 (A) 3V3 (F) 2V5 (G) 1V8 (Y) 1V5 (M) 1V2 (K) All 5V0 (A) 3V3 (F) 2V5 (G) 1V8 (Y) 1V5 (M) 1V2 (K) IO Temperature: TA = -40 ºC to +85ºC Ripple and Noise3 Peak-to-Peak: (5Hz to 20MHz) Output Current External Load Capacitance Capacitor ESR Output Current-limit Inception VOUT = 90% VO,SET (Autorecovery) IO µF mΩ A Over Voltage Range (Autorecovery) V Over Temperature Range (AVG. PCB TEMP) - Auto recovery °C % % % % % % Efficiency VIN = VIN-NOM IO = IO,MAX TA=25°C η η η η η η MODEL: ALD12/18/20/25 SERIES AUGUST 17, 2005 – REVISION C SHEET 3 OF 20 Technical Reference Notes ALD12/18/20/25 Series (.


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