★ 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..........................+100ºC, 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%µ 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..........................................-40ºC to +100ºC (base plate).
Temperature coefficient.......... ......± 0.02%/ºC over the operating temperature range.
Case temperature......................................................................................100ºC max. |
| Model Number | OUTPUT | Voltage
(V) | OUTPUT
Max. (A) | Current
Max. (A) | Output
Voltage
Tolerance | Ripple
& Noies5
(mVpp) | Line
Regulation | Load
Regulation | | HEC100-48D3305 | V1 | 5.0 | 1.0 | 20 | ±1.0% | 100 | ±0.2% | 0.5% | | V2 | 3.3 | 0.0 | 25 | ±1.5% | 100 | ±0.2% | 0.5% | | HEC100-48D2505 | V1 | 5.0 | 1.0 | 20 | ±1.0% | 100 | ±0.2% | 0.5% | | V2 | 2.5 | 0.0 | 25 | ±1.5% | 100 | ±0.2% | 0.5% | | HEC100-48D2533 | V1 | 3.3 | 1.0 | 20 | ±1.0% | 100 | ±0.2% | 0.5% | | V2 | 2.5 | 0.0 | 25 | ±1.5% | 100 | ±0.2% | 0.5% |
|
| |
| MECHANICAL CONFIGURATION: |
HEC100