Our 75 watt quarter brick DC-DC converter features a single output up to 25A, an adjustable output voltage and 90% efficiency. This UL- and CE-approved design also has a compact quarter brick package of 2.28" x 1.45" x 0.50".
INPUT
Input Voltages:
48 Vdc: 36 - 72 Vdc
Input Filter: L-C Type
Start Up Time: Nominal Vin and Constant Resistive Load
Power Up: 25 mS Typ
Remote ON/OFF: 25 mS Typ
Negative Logic
DC-DC ON: Short or OV
DC-DC OFF: Open or 3.5V
Positive Logic
DC-DC ON: Open or 3.5V
DC-DC OFF: Short or OV
OUTPUT
Voltage Accuracy (FL and Nominal Vin): ±1.5%
Voltage Adjustability: +10%, -20%
Line Regulation
LL to HL at FL: ±0.2%
Load Regulation
NL to FL:
1.8 Vdc: 5.4 mV, ±0.1%
2.5 Vdc: 7.5 mV, ±0.1%
3.3 Vdc: 10 mV, ±0.02%
5 Vdc: 15 mV, ±0.02%
Ripple and Noise (20 MHz BW)
Measured with a 1uF M/C & a 1OuFT/C: 100 mVp-p
Temperature Coefficient (at FL): ±0.02%/°C, max
Transient Response, 25% load step change: 200µS
GENERAL
Efficiency: 85 - 90%
Isolation Voltage: 1600 Vdc, min.
Isolation Resistance: 107 Ohms, min.
Switching Frequency: 270 KHz, typ.
Protection
Over Voltage Protection: 120% Vout max.
Over current protection threshold: 110 - 140% of load
Short circuit protection: hiccup, automatic recovery
ENVIRONMENTAL
Operating Base Plate Temperature Range: -40 to 100°C
Storage Temperature Range: -55 to 125°C
Humidity, Max, Non-Condensing: 95%
PHYSICAL
Case Material: Aluminum base-plate
Weight: 42 g (1.46 oz.)
Dimensions: 2.28" x 1.45" x 0.50" (57.9 X 36.83 X 12.7 mm)
EMC CHARACTERISTICS
Conducted Emissions:
EN55022, Level A
EN55022, Level B
Radiated Emissions: EN550224, Level A
ESD: EN61000-4-2, Perf. Criteria 2
Radiated Immunity: EN61000-4-3, Perf. Criteria 2
Fast Transient: EN61000-4-4, Perf. Criteria 2
Surge: EN61000-4-5, Perf. Criteria 2
Conducted Immunity: EN61000-4-6, Perf. Criteria 2
Our 75 watt quarter brick DC-DC converter features a single output up to 25A, an adjustable output voltage and 90% efficiency. This UL- and CE-approved design also has a compact quarter brick package of 2.28" x 1.45" x 0.50".
INPUT
- Input Voltages:
- Input Filter: L-C Type
- Start Up Time: Nominal Vin and Constant Resistive Load
- Power Up: 25 mS Typ
- Remote ON/OFF: 25 mS Typ
- Negative Logic
- DC-DC ON: Short or OV<Vr<1.2V
- DC-DC OFF: Open or 3.5V<Vr<15V
- Positive Logic
- DC-DC ON: Open or 3.5V<Vr<15V
- DC-DC OFF: Short or OV<Vr<1.2V
OUTPUT
- Voltage Accuracy (FL and Nominal Vin): ±1.5%
- Voltage Adjustability: +10%, -20%
- Line Regulation
- Load Regulation
- NL to FL:
- 1.8 Vdc: 5.4 mV, ±0.1%
- 2.5 Vdc: 7.5 mV, ±0.1%
- 3.3 Vdc: 10 mV, ±0.02%
- 5 Vdc: 15 mV, ±0.02%
- Ripple and Noise (20 MHz BW)
- Measured with a 1uF M/C & a 1OuFT/C: 100 mVp-p
- Temperature Coefficient (at FL): ±0.02%/°C, max
- Transient Response, 25% load step change: 200µS
GENERAL
- Efficiency: 85 - 90%
- Isolation Voltage: 1600 Vdc, min.
- Isolation Resistance: 107 Ohms, min.
- Switching Frequency: 270 KHz, typ.
- Protection
- Over Voltage Protection: 120% Vout max.
- Over current protection threshold: 110 - 140% of load
- Short circuit protection: hiccup, automatic recovery
ENVIRONMENTAL
- Operating Base Plate Temperature Range: -40 to 100°C
- Storage Temperature Range: -55 to 125°C
- Humidity, Max, Non-Condensing: 95%
PHYSICAL
- Case Material: Aluminum base-plate
- Weight: 42 g (1.46 oz.)
- Dimensions: 2.28" x 1.45" x 0.50" (57.9 X 36.83 X 12.7 mm)
EMC CHARACTERISTICS
- Conducted Emissions:
- EN55022, Level A
- EN55022, Level B
- Radiated Emissions: EN550224, Level A
- ESD: EN61000-4-2, Perf. Criteria 2
- Radiated Immunity: EN61000-4-3, Perf. Criteria 2
- Fast Transient: EN61000-4-4, Perf. Criteria 2
- Surge: EN61000-4-5, Perf. Criteria 2
- Conducted Immunity: EN61000-4-6, Perf. Criteria 2
