Datasheet

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PXE Series
Features
 Industry Standard 2” x 1.6” Footprint
 Six Sided Shielding
 Agency Approved
 12V, 24V and 48V Inputs
 UL, CSA, EN, CE approvals
 Wide range input
20-30W Single and Dual Output DC-DC Converters
Notes:
(1) To meet regulation & noise specifi cations. Operation at zero load will not damage the device
(2) 12uH source impedance in series with + input
(3) Max sink current 20mA (PXE20), 2.5mA (PXE30); The on/off pin is referenced to the negative input
Model PXE20 PXE30
Max Output Power 20W 30W
Voltage Accuracy ±2% ±1%
Voltage Adjustment ±10%
Minimum Load, each output (1) 10% 10%
Line Regulation ±0.2% for single, ±0.5% for dual
Load Regulation (25% to 100%) Single ±0.5%, Dual ±3% Single ±0.5%, Dual ±1%
Cross Regulation (25% to 100%) Dual ±5%
Ripple and Noise (P-P) Single: 75mV; Dual: 100mV
Start up time 20ms - 1100ms typ. 10 - 25ms typ.
Remote on/off (3) Positive Logic: ON: Open or 3.5-12V, OFF Short or <1.2V
Temperature Coeffi cient <±0.02%/°C
Operating Temperature -40 to +100°C, see derating curve
Maximum Case Temperature 100°C (Over temperature protection at 115°C - PXE30 model)
Storage Temperature -55 to 105°C
Thermal Shock MIL-STD-810D
Relative Humidity (non condensing) 5 to 95%
Transient Response (25% step load change) 500us recovery 300us recovery
Overvoltage Protection (Zener clamp 3.3V: 3.9V, 5V: 6.2V, 12V: 15V, 15V: 18V
Overcurrent and Short Circuit Protection Typically at 150%, hiccup with self recovery
Input Surge Voltage (Maximum for 100ms) 12V input: 36V, 24V input: 50V, 48V input: 100V
Refl ected input ripple (peak to peak) (2) 25mA 30mA
Isolation Voltage 1600VDC minimum (Input-Output, Input-Case)
Isolation Resistance 10
9
Ohms minimum
Isolation Capacitance (max) 300pF 1000pF
Typical Switching Frequency (Fixed) 300kHz
MTBF (BELLCORE TR-NWT-000332) 1,976,000 hours 1,535,000 hours
Vibration 10 - 55Hz, 2G, 30 minutes each X, Y, Z axis
Conducted and Radiated Emissions See Installation Diagrams
Immunity EN61000-4-2, -3, -4, -5, -6 Pref Criteria 2
Safety Agency Approval IEC60950-1, UL60950-1, EN60950-1, CE Mark (48V input only)
Size (L x W x H) 2 x 1.6 x 0.4”
Weight 1.69 oz (48g)
Warranty Two Year
Specifi cations
Key Market Segments & Applications