75W DIP Type High Input DC/DC Converter : DHQB075

DHQB075 - 75 Watts Quarter Brick Type 2:1 High Input Voltage Isolated DC - DC Converters

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Description

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.

Features

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

Specification

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.