Welcome to Power Mate Technology

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..........................+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%
HEC100-48D3305	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%
HEC100-48D2505	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%
HEC100-48D2533	V2	2.5	0.0	25	±1.5%	100	±0.2%	0.5%

MECHANICAL CONFIGURATION:

PIN CONNECTIONS
Pin#	Function	Diameter
1	-Vin	1.0mm
2	Case	1.0mm
3	Remote ON/OFF	1.0mm
4	+Vin	1.0mm
5	V2 Out	2.0mm
6	V2 Return	2.0mm
7	V2 Adj.	1.0mm
8	V1 Out	2.0mm
9	V1 Return	2.0mm
10	V1 Adj.	1.0mm