HomedatasheetDAC2812SK

DAC2812SK Datasheet

12V, 6W DC-DC Converter
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Description

Features, Applications

HI-REL DESIGN WAVE SOLDERABLE PACKAGE ALL CERAMIC CAPACITORS SURFACE MOUNT MAGNETICS FEATURES REPLACES APEX DHC2815S NO DERATING TO +125�C HIGH ISOLATION 500V OUTPUT VOLTAGE ADJUSTMENT STANDARD REMOTE SHUTDOWN � 50V INPUT @ 5 WATTS OUTPUT

DESCRIPTION

The DAC2812S and DAC2815S DC-DC converters are higher output voltage companion devices to MSK's DHC types. The DAC's provide the ruggedness, reliability and features required to meet the advanced design challenges of today's hi-rel market. This has been accomplished while retaining a power density 15 W/in3 and 375 mW/gram of power/package performance. The use of advanced substrate and reflow soldering techniques during construction results in a rugged, cost-effective and completely solderable package. The DAC2800S hybrid converter series utilizes all ceramic capacitors, surface mount magnetics, and ultrasonically bonded wires to provide reliable operation at all operating temperatures while surviving G forces 500 G. The DAC2800S series standard features include output fault monitoring and/or turn on voltage point programming via the shutdown pin. All three functions may be implemented simultaneously with a minimum of external components. An output voltage adjustment / load compensation pin which adjusts outputs simultaneously is also standard. Fault tolerant design protects these converters from most external circuit faults. The +output and output adjust pins will withstand +25 V while the shutdown pin will withstand +50 V, protecting the converters from a variety of system or board faults; e.g. solder bridges etc. Unique load fault protection circuitry allows this converter to pull up loads having difficult static load line characteristics and allows short term load excursions significantly beyond ratings in most applications. A transformer isolated flyback converter topology operating at a switching frequency of 400 kHz allows operation over a wide input voltage range. Internal filtering of outputs eliminates the need for external capacitors in many applications. The 8-pin package is hermetically sealed and isolated from the internal circuits. Heat sinking is recommended for full power operation at elevated ambient temperatures.

+OUTPUT OUTPUT COMMON N/C ADJUST/COMP SHUTDOWN PLUS 7 6 CASE -INPUT +INPUT

INPUT VOLTAGE RANGE (Pin or 5) INPUT TRANSIENT (Pin to 6) OUTPUT CURRENT (Continuous) TEMPERATURE, Storage TEMPERATURE, Pin Soldering 10s

SPECIFICATIONS

PARAMETER STEADY STATE CHARACTERISTICS INPUT VOLTAGE RANGE OUTPUT VOLTAGE OUTPUT CURRENT � 125�C OUTPUT POWER � 125�C EFFICIENCY LINE REGULATION LOAD REGULATION OPERATING TEMPERATURE, CASE TEMPERATURE COEFFICIENT (Vout) INPUT RIPPLE CURRENT WITH 1�H SERIES INDUCTANCE OUTPUT RIPPLE VOLTAGE LOAD CAPACITANCE (OUTPUT OVER � 125�C) SHORT CIRCUIT DISSIPATION QUIESCENT INPUT CURRENT INHIBITED ISOLATION CHARACTERISTICS (INPUT/OUTPUT/CASE) LEAKAGE RESISTANCE LEAKAGE CAPACITANCE DYNAMIC CHARACTERISTICS LINE STEP RESPONSE, 10�s rise VOLTAGE CHANGE RECOVERY TIME (99%) WITH 200 �F OUTPUT CAPACITORS3 VOLTAGE CHANGE RECOVERY TIME (99%) LOAD STEP RESPONSE, 10�s rise VOLTAGE CHANGE RECOVERY TIME (99%) WITH 200 �F OUTPUT CAPACITORS3 VOLTAGE CHANGE RECOVERY TIME (99%) START-UP OVERSHOOT SHUTDOWN DELAY SHUTDOWN RECOVERY NOTES: 500 Vdc = 10% VIN 16 40 VIN 11 50 VIN 16 40 VIN 11 50 Io= 100% VIN = 0-5.4W2 TEST CONDITIONS1


2. Regulation measured on output pins 1/16" from case. MIN TYP 17 30 MAX 25 UNITS GRAMS �C �C/W

PACKAGE & THERMAL SPECIFICATIONS WEIGHT TEMPERATURE RISE, junction to case TEMPERATURE RISE, case to ambient




Features

Parameters


Manufacturer information

M.S. KENNEDY
Warm Hint

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