RoHS lead solder exemption compliant Delivers Operates from 55°C 85°C
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ASQ28S02150 DC-DC Converter Data Sheet Input; Output
RoHS lead solder exemption compliant Delivers Operates from 55°C 85°C ambient Survives 1000 mechanical shock, MIL-STD-883E High reliability: MTBF million hours, calculated Telcordia TR-332, Method Case weight: 0.53 profile: 0.274" (6.96 Extremely small footprint: 0.896" 2.30" (2.06 in2) High efficiency heat sink required On-board input differential LC-filter Extremely output input ripple Start-up into pre-biased output minimum load required 2,000 Isolation Input Voltage Transient Meets Basic Insulation requirements EN60950 Does opto-isolators Fixed-frequency operation Fully protected Remote output sense Positive negative logic ON/OFF option 60950 recognized U.S. Canada, DEMKO certified IEC/EN 60950 (pending) Meets conducted emissions requirements Class EN55022 Class with external filter materials meet UL94, flammability rating
Telecommunications Data communications Wireless communications Servers, workstations
Benefits
High efficiency heat sink required replace single output quarter-bricks
Description
ASQ28 Series DC-DC converters ideally suited aerospace applications where high-reliability, profile, weight critical. They designed reliable operation harsh thermal mechanical environments. high-ambient temperature applications ASQ28 Series converters provide thermal performance that exceeds competing DC-DC converters that have higher nominal rating much larger package size. This accomplished using patent pending circuit, packaging, processing techniques achieve ultra-high efficiency, excellent thermal management, very body profile. Coupled with Power-One's 100% automation assembly, this results product with extremely high quality reliability.
2007
Page
www.power-one.com
ASQ28S02150 DC-DC Converter Data Sheet Input; Output
Electrical Specifications
Conditions: Airflow (1.5 m/s), VDC, output voltages, unless otherwise specified.
PARAMETER ABSOLUTE MAXIMUM RATINGS
Input Voltage Operating Ambient Temperature Storage Temperature Continuous
NOTES
UNITS
INPUT CHARACTERISTICS
Operating Input Voltage Range Input Under Voltage Lockout Turn-on Threshold Turn-off Threshold 17.5 16.5 Non-latching 2000 Industry-std. equations Percent VOUT(NOM) Non-latching Applies protection features
ISOLATION CHARACTERISTICS
Isolation Isolation Capacitance: Isolation Resistance
FEATURE CHARACTERISTICS
Switching Frequency Output Voltage Trim Range Remote Sense Compensation Output Over-Voltage Protection Auto-Restart Period Turn-On Time ON/OFF Control (Positive Logic) Converter Converter ON/OFF Control (Negative Logic) Converter Converter
2007
Page
www.power-one.com
ASQ28S02150 DC-DC Converter Data Sheet Input; Output
Electrical Specifications (continued)
Conditions: Airflow (1.5 m/s), VDC, Vout unless otherwise specified.
PARAMETER INPUT CHARACTERISTICS
Maximum Input Current Input Stand-by Current Input Load Current load output) Input Reflected-Ripple Current
NOTES
ADC, converter disabled converter enabled 25MHz bandwidth
UNITS
mADC mADC mAPK-PK mVPK-PK Arms
14.850 15.000 15.150 15.225 1000 2.75
OUTPUT CHARACTERISTICS
Output Voltage Point load) Output Regulation Over Line Over Load Output Voltage Range Output Ripple Noise 25MHz bandwidth External Load Capacitance Output Current Range Current Limit Inception Peak Short-Circuit Current Short-Circuit Current
Over line, load temperature Full load tantalum ceramic Plus full load (resistive) Non-latching Non-latching. Short=10m Non-latching ceramic tant. ceramic
14.775 0.75
DYNAMIC RESPONSE
Load Change Iout Max, di/dt di/dt Setting Time
EFFICIENCY
100% Load Load
2007
Page
www.power-one.com
ASQ28S02150 DC-DC Converter Data Sheet Input; Output
Physical Information
ASQ28S Platform Notes dimensions inches [mm] Connector Material: Copper Connector Finish: Tin/Lead over Nickel Converter Weight: 0.53 Recommended Surface-Mount Pads: Min. 0.080" 0.112" [2.03 2.84] Max. 0.092" 0.124" [2.34 3.15]
VIEW
SIDE VIEW
Pad/Pin Connections Pad/Pin Output Voltage ON/OFF Logic Maximum Height [HT] Function ON/OFF Vout SENSE(-) TRIM SENSE(+) Vout Length [PL] Special
ASQ28S Pinout (Surface Mount)
Converter Part Numbering Scheme
Product Series Input Voltage Mounting Scheme Rated Load Current
One-Eighth Brick Format
Surface Mount
Negative Positive
0.289"
0.00"
Tin/Lead over Nickel
18-45
example above describes ASQ28S02150-NS00: 18-45 input, surface mount, output, negative ON/OFF logic, maximum height 0.289", with Tin/Lead over Nickel. Please consult factory regarding availability specific version.
NUCLEAR MEDICAL APPLICATIONS Power-One products designed, intended authorized critical components life support systems, equipment used hazardous environments, nuclear control systems without express written consent respective divisional president Power-One, Inc. TECHNICAL REVISIONS appearance products, including safety agency certifications pictured labels, change depending date manufactured. Specifications subject change without notice.
2007
Page
www.power-one.com
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