產品說明
Regulated Output DC-DC Converter- Isolation - Module
Our DHQB075 series is fire & smoke EN45545 and shock & vibration MIL-STD-810F compliant. The dimension is 2.28" x 1.45" x 0.5" meet industrial standard quarter brick size. They provide a 300Vdc nominal input (with an input range of 180 to 450Vdc) and 3000VAC reinforced isolation, which are suitable for distributed power architectures, telecommunications, servers, base station, battery operated equipment, and industrial applications.功能說明
- Efficiency Up to 90%
- Fixed Switching Frequency
- Regulated Outputs
- Remote On/Off
- Low No Load Power Consumption
- Fully Protected (OTP/OCP/OVP/UVLO)
- 3000Vac I/O Isolation
- Operating Case Temperature -40 to +105℃
- -55℃ Operating Available
- Quarter Brick Size Meet Industrial Standard 2.28" x 1.45" x 0.5"
- Shock & Vibration MIL-STD-810F Compliant
- Fire & Smoke EN45545 Compliant
- 3000m Operating Altitude
規格
Input Voltage Range | Nominal 300V Range: 180-450V |
Under voltage Lockout | power up ... 170V ; power down ... 160V |
Remote On/Off Logic | Refer to –Vin pin. Positive Remote Logic. Logic Low Module OFF .................< 1.2V Logic High (Module ON).................. 3.5~75V Negative Remote Logic. Logic High (Module OFF)................. 3.5~75V Logic Low Module ON .................< 1.2V |
Input Filter | PI Filter. |
Voltage Accuracy | ± 1% max. |
Transient Response | 75%-100% Io_max step load change, di/dt = 0.1A/µs Error Band ...±5% Vout Recover Time ... 250 µs |
Output Voltage Remote Sense Range | 3.3V&5V...+10%; Others...+20% |
R&N (5Hz to 20MHz bandwidth Note 4) | 3.3&5V.................... 60mV RMS, 100mV pk-pk, max. 12V&15V ............... 60mV RMS, 150mV pk-pk max. 24V&28V ................100mV RMS, 240mV pk-pk max. |
Temperature Coefficient | ± 0.02% / °C max. |
Short Circuit Protection | Continuous, Auto Recovery. |
Line Regulation (Full Load to No Load) | ± 0.2% max |
Load Regulation (High Line to Low Line) | ± 0.2% max |
Over Voltage Protection (Limited voltage, % of Nominal Vo) | 3.3V&5V...112% ~ 130%; Others...122% ~ 130% |
Over Current Protection | Hiccup Mode. Auto Recovery. 110% ~ 160% |
Isolation Voltage | Input/Output : 3000VAC min., Input/Case : 2500VAC min., Output/Case : 500VAC min. Isolation Resistance:: 100M Ω min. |
Isolation Resistance | 100MΩ min |
Switching Frequency | Pulse wide modulation (PWM), Fixed::300 KHz Tpy. |
Operating Case Temperature | -40°C to 105°C |
Storage Temperature Range | -55°C to 125°C |
Over Temperature Shutdown | Temperature 110°C Typ. at the Center Part of Base Plate, Non-Latching. |
Humidity | 95% RH max. Non Condensing |
MTBF | MIL-HDBK-217F, GB, 25℃, 48V... 1050Khrs typ.; Others … 850Khrs typ. |
Case Material | Aluminum Base Plate with Plastic Case |
Dimensions | 2.28×1.45x0.50 inches(57.9x36.8×12.7 mm) |
Weight | 61g |
Model
Model No. | Input Voltage (VDC) |
Output Voltage (VDC) |
Output Current (A) |
No Load Input Current |
EFF. Typ. % |
Capacitor Load Max. |
DHQB075-C0xyz | 180-450 | 3.3 | 15.0 | 10mA | 81.5 | 15000μF |
DHQB075-C1xyz | 180-450 | 5 | 15.0 | 10mA | 83.5 | 15000μF |
DHQB075-C2xyz | 180-450 | 12 | 6.25 | 10mA | 88.0 | 6250μF |
DHQB075-C3xyz | 180-450 | 15 | 5.0 | 10mA | 90.0 | 5000μF |
DHQB075-C9xyz | 180-450 | 24 | 3.12 | 10mA | 90.0 | 3300μF |
DHQB075-C9Bxyz | 180-450 | 48 | 1.56 | 10mA | 89.0 | 1000μF |
Ordering Information:
- x = blank stands for Remote On/Off Logic Positive
x = N stands for Remote On/Off Logic Negative
y = blank stands for M3.5x0.5 mounting inserts
y = C stands for Clear mounting insert (3.2mm DIA)
z = blank stands for -40~105℃ operating temp.
z = L stands for -55~105℃ operating temp. - Nominal input voltage 300VDC.
Measured at 300Vin. - An external input capacitor 33uF for all models are recommended to reduce input ripple voltage.
- -55°C start-up screen per MIL-STD105E S1 Sampling Procedure for L Version.