DVHF2800D Series
DVHF2800D-4.0 2
SPECIFICATIONS (TCASE = -55°C to +125°C, VIN = +28V ± 5%, Full Load5, Unless Otherwise Specified)
ABSOLUTE MAXIMUM RATINGS
Input Voltage (Continuous) 50 VDC Junction Temperature Rise to Case +12°C
Input Voltage (Transient, 1 second) 80 Volts Storage Temperature -65°C to +150°C
Output Power1 20 Watts Lead Solder Temperature (10 seconds) 270°C
Power Dissipation (Full Load, TCASE = +125°C) 6 Watts Weight (Maximum) (Un-Flanged / Flanged) (24 / 28) Grams
ESD Rating per MIL-PRF-38534 2
Parameter Conditions
DVHF2805D DVHF2812D
Units
Min Typ Max Min Typ Max
STATIC
INPUT
Voltage4
Continuous 15 28 50 15 28 50 V
Transient, 1 sec - - 80 - - 80 V
Current Inhibited - 4 6 - 4 6 mA
No Load - 45 65 - 45 65 mA
Ripple Current Full Load5, 20Hz to 10MHz - 35 60 - 45 90 mAp-p
Inhibit Pin Input4 0 - 1.5 0 - 1.5 V
Inhibit Pin Open Circuit Voltage4 9.0 11.0 13.0 9.0 11.0 13.0 V
UVLO Turn On 12.0 - 14.8 12.0 - 14.8 V
UVLO Turn Off4 11.0 - 14.5 11.0 - 14.5 V
OUTPUT
Voltage5
+VOUT TCASE = 25°C 4.95 5.0 5.05 11.88 12.0 12.12 V
+VOUT TCASE = -55°C to +125°C 4.925 5.0 5.075 11.82 12.0 12.18 V
-VOUT TCASE = 25°C 4.80 5.0 5.20 11.80 12.0 12.20 V
-VOUT TCASE = -55°C to +125°C 4.75 5.0 5.25 11.52 12.0 12.48 V
Power3,6 Total 0 - 15 0 - 20 W
±VOUT
Either Output 0 - 10.5 0 - 14 W
Current3,6 ±VOUT Either Output 0 - 2.1 0 - 1.17 A
Ripple Voltage ±VOUT Full Load5, 20Hz to 10MHz - 35 60 - 30 50 mVp-p
Line Regulation +VOUT VIN = 16V to 40V - 2 20 - 2 20 mV
-VOUT VIN = 16V to 40V - 20 200 - 20 200 mV
Load Regulation +VOUT No Load to Full Load5 - 5 50 - 5 50 mV
-VOUT No Load to Full Load5,7 - 25 200 - 20 200 mV
Cross Regulation -VOUT
+VOUT = 70%, -VOUT = 30%
+VOUT = 30%, -VOUT = 70% - 370 500 - 400 500 mV
EFFICIENCY Full Load5 73 78 - 78 84 - %
LOAD FAULT POWER DISSIPATION Overload4 - - 8 - - 8 W
Short Circuit - - 8 - - 8 W
CAPACITIVE LOAD4 Either Output - - 500 - - 500
F
SWITCHING FREQUENCY 350 450 500 350 450 500 kHz
ISOLATION 500 VDC, TCASE = 25°C 100 - - 100 - - MΩ
MTBF (MIL-HDBK-217F) AIF @ TC = 55°C - 427 - - 427 - kHrs
See notes next page.