Pricing & AvailabilityHEC100

 

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FEATURES
Independently Regulated 5V and 3.3V,5V 
     and 2.5V,or 3.3V and  2.5V outputs

36-75 VDC Input (48V Nominal)
100W Continuous Output POWER
84% Efficiency (Typ.)
Remote On/Off
Built-in EMI Suppression Filter
Fixed Operating Frequency
Under-Voltage Lockout
Over-Voltage Shutdown
Short-Circuit Protection
Thermal Protection
1500Vdc I/O Isolation
International Safety Standards
Compact 2.4"x2.3"x0.5" Package
Aluminum Base Plate
Safety Approval Pending

INPUT SPECIFICATIONS
Input voltage.....................................................................36-75VDC (48V, nominal).
Input/output Isolation.................................1500 VDC, input to output, for one minute.
Continuous output power.......................Total output power should not exceed 100W.
DC output.............................................................See Electrical Characteristics table.
Base-Plate Temperature..........................+100
C, maximum: Internal thermal shutdown
                                                               Circuit: Automatic recovery.
OUTPUT SPECIFICATIONS
Output Voltage adjustment.....................Outputs V1 and V2 each adjustable by 7%
Short-Circuit Protection.......................Continuous cycle-by-cycle current limiting, each
                                                           Output, with automatic recovery.
Under-Voltage Protection................Lockout activated at 34V-35.5V input, automatic 
                                                       Recovery. With 2V-3V hysteresis (typical).
Over-Voltage Protection...............5V output, shutdown at 6.5V, typical; 3.3V output, 
                                                     shutdown at 3.9V, typical; 2.5V output, shutdown 
                                                     at 3.2V, typical. RESET at Vin=0V.
Transient Response.........................200%
S recovery after half-load to full load step 
                                                    Change to within 1% of the regulation band with No 
                                                    more than 5% deviation.
Frequency of Operation.......................................................................300KHz, fixed.
Efficiency.............................................84%, typical, at nominal input voltage, full load.
Remote Shutdown...................................CMOS and open-collector TTL compatible: 
                                                            ON=2.4V to Vin (MAX); OFF=0.8V or less.
ENVIRONMENTAL SPECIFICATIONS  (REFERENCE)
Operating temperature range..........................................-40C to +100C (base plate).
Temperature coefficient..........   ...... 0.02%/
C over the operating temperature range.
Case temperature......................................................................................100
C  max.
Model NumberOUTPUTVoltage 
(V)
OUTPUT
Max. (A)
Current
Max. (A)
Output
Voltage
Tolerance
Ripple
& Noies5
(mVpp)
Line
Regulation
Load
Regulation
HEC100-48D3305V15.01.0201.0%1000.2%0.5%
V23.30.0251.5%1000.2%0.5%
HEC100-48D2505V15.01.0201.0%1000.2%0.5%
V22.50.0251.5%1000.2%0.5%
HEC100-48D2533V13.31.0201.0%1000.2%0.5%
V22.50.0251.5%1000.2%0.5%
 
MECHANICAL CONFIGURATION:
PIN CONNECTIONS
Pin#FunctionDiameter
1-Vin1.0mm
2Case1.0mm
3Remote ON/OFF1.0mm
4+Vin1.0mm
5V2 Out2.0mm
6V2 Return2.0mm
7V2 Adj.1.0mm
8V1 Out2.0mm
9V1 Return2.0mm
10V1 Adj.1.0mm