M8337 ENERCON | Alldatasheet
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Technical content
Page 1 of 6 Nov 9, 2021 | Rev g | Doc: DS_M8337 Series M8337 SERIES DC/DC POWER SUPPLY Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in M8337 SERIES DC/DC POWER SUPPLY PRODUCT HIGHLIGHTS
- MINIATURE
- HIGH DENSITY
- TRIPLE OUTPUT
- DC/DC CONVERTER
- UP TO 125W
Page 2 of 6 Nov 9, 2021 | Rev g | Doc: DS_M8337 Series M8337 SERIES DC/DC POWER SUPPLY Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in
Applications
Military, Ruggedized, Telecom, Industrial Power Supply Special Features
- Miniature size
- High efficiency
- Wide input range
- Input / Output isolation
- Fixed switching frequency (250 kHz)
- External synchronization capability
- TTL logic enable
- EMI filters included
- Indefinite short circuit protection with auto-recovery
- Over temperature protection Environmental Conditions Designed to meet MIL-STD-810F Temperature: Operating –55 C to +85 C (baseplate) Storage – 55 C to +125 C Altitude: Method 500.4, Procedures I & II up to 70 000 ft. Operational Humidity: Method 507.4 - Up to 95% RH (including condensation) Salt Fog: Method 509.4 Vibration and Shock: Shock: Saw-tooth, 20 g peak, 11 ms. Vibration: Figure 514.5C-17 general minimum integrity exposure (1 hour per axis) Reliability 150,000 hours, calculated IAW MIL-HDBK- 217F Notice 2, at +85 C baseplate, Ground Fixed. Electrical Specifications DC INPUT Normal voltage range: 18 to
70 VDC Option: 12 to 70 VDC –
Abnormal transient protection: No damage (may shut down) when exposed to abnormal transients IAW MIL-STD-1275A (100 V for 50 ms) and MIL-STD-704A (80 V for 0.1 s) Efficiency: up to 80% EMC: Designed to meet* MIL-STD-461F CE101, CE102, CS101, CS114, CS115, CS116, RE101, RE102, RS101, RS103 Isolation: Input to Output:
200 VDC Input to
Case: 200 VDC DC OUTPUT (floating) Line/Load regulation: Up to ±1% (no load to full load, –55 C to +85 C) Ripple and Noise: 50 mVp-p, typical (max. 1%) Current limiting (Hiccup): Continuous protection for unlimited time Over Voltage Protection: Passive transorbs on outputs. Over Temperature Protection: Shutdown if baseplate temperature exceeds +105 C ± 5 C; Automatic recovery upon cooldown to below +95 C ± 5 C. Isolation: Output to Case: 100 VDC * Compliance achieved with 5μH LISN, shielded harness and static resistive load.
Page 3 of 6 Nov 9, 2021 | Rev g | Doc: DS_M8337 Series M8337 SERIES DC/DC POWER SUPPLY Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Operational Block Diagram Outputs Range Output # Voltage Range Current Range Power Range 1 3.3 to 28 VDC 0 to 10 A 0 to 50 W 2 3.3 to 28 VDC 0 to 6 A 0 to 50 W 3 7 to 28 VDC 0 to 6 A 0 to 50 W Total 0 to 125 W Typical Connection Diagram Load 1 Voltage M8337 Load 2 Chassis Load 3 Signal Return Inhibit SYNC Inhibit Synchronization
Page 4 of 6 Nov 9, 2021 | Rev g | Doc: DS_M8337 Series M8337 SERIES DC/DC POWER SUPPLY Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Pin Assignment* Connector type: M24308/24-39F or eq. Mates with: M24308/2-3F or eq. Pin No. Function Pin No. Function Pin No. Function
1 VIN (+)
10 OUT 2 (+)
19 OUT 3 RTN (–)
2 VIN (+)
11 OUT 1 RTN (–)
20 OUT 3 (+)
3 VIN RTN (–)
12 OUT 1 (+)
21 OUT 2 RTN (–)
4 INHIBIT
13 OUT 1 (+)
22 OUT 2 (+)
5 SIGNAL RTN
14 VIN (+)
23 OUT 1 RTN (–)
6 SYNC
15 VIN RTN (–)
24 OUT 1 RTN (–)
7 OUT 3 RTN (–)
16 VIN RTN (–)
25 OUT 1 (+)
8 OUT 3 (+)
17 CHASSIS
9 OUT 2 RTN (–) 18 N.C. Functions and Signals INHIBIT The INHIBIT signal is used to turn the power supply ON and OFF. TTL “1”or OPEN – Power supply is ON (For normal operation, leave this pin unconnected.) TTL “0” or SHORT to SIGNAL RTN – Power supply is OFF. SYNC The SYNC signal is used to allow the power supply's switching frequency to sync with the system clock. The external clock's frequency can be 250 kHz ± 10 kHz. When this pin is left open (unconnected) the power supply will synchronize to its internal clock, set at 250 kHz ± 10 kHz SIGNAL RTN The SIGNAL RTN is used as a return path for the SYNC and INHIBIT signals. This pin is referenced to VIN RTN. CHASSIS The CHASSIS pin is referenced to the device's chassis, to allow simple connection to system chassis. * For optimal performance, connect all pins with identical designation together.
Page 5 of 6 Nov 9, 2021 | Rev g | Doc: DS_M8337 Series M8337 SERIES DC/DC POWER SUPPLY Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Outline Drawing Heat Dissipation Surface Heat Dissipation Area: 6.12 in2 [3,950 mm²] Notes 1. Dimensions are in inches [mm] 2. Tolerance is: .XX 0.01 in .XXX 0.005 in 3. Weight: 13.4 oz [380 g]
Page 6 of 6 Nov 9, 2021 | Rev g | Doc: DS_M8337 Series M8337 SERIES DC/DC POWER SUPPLY Switzerland sales@enercon-europe.com Israel sales@enercon.co.il India sales@mpsindia.in Standard Configurations Part Number Input Output #1 Output #2 Output #3 Voltage Voltage Current Voltage Current Voltage Current M8337-100 18 to 48 VDC 5 VDC 10 A 3.3 VDC 6 A 12 VDC 4 A M8337-101 18 to 48 VDC 5 VDC 10 A 3.3 VDC 6 A 28 VDC 1.7 A M8337-102 18 to 48 VDC 5 VDC 6 A 15 VDC 3 A 15 VDC 3 A M8337-103 18 to 48 VDC 5 VDC 6 A 12 VDC 4 A 12 VDC 4 A M8337-104 18 to 48 VDC 15 VDC 3.2 A 15 VDC 3.2 A 5 VDC 1.25 A Note: Specifications are subject to change without prior notice by the manufacturer