DB12S15-12 Datasheet, PDF (1/4 Pages) Wall Industries,Inc. – 2:1 Input Voltage Range 40 Watt DC/DC Converter Single, Dual, and Triple Outputs

DB Series
2:1 Input Voltage Range
40 Watt DC/DC Converter
Single, Dual, and Triple Outputs
FEATURES
● High Efficiency up to 90%
● Fixed Switching Frequency
● Six-Sided Continuous Shield
● 2:1 Wide Input Voltage Range
● 40 Watts Maximum Output power
● Standard 2.02” x 2.02” x 0.4” Package
● International Safety Standard Approval
● Single, Dual, Dual Positive (Total Output Current 8A), and Triple Outputs Available
UL E155800
TUV
CB
CE MARK
SPECIFICATIONS: DB Series
All specifications apply @ 25°C ambient unless otherwise noted
INPUT SPECIFICATIONS
Input Voltage Range ............ 12V nominal input .......................... 9-18VDC
24V nominal input ........................ 18-36VDC
48V nominal input ........................ 36-75VDC
Under Voltage Lockout
12V nominal input........... DC-DC ON ...........................................9VDC
DC-DC OFF .........................................8VDC
24V nominal input........... DC-DC ON ......................................17.8VDC
DC-DC OFF .......................................16VDC
48V nominal input........... DC-DC ON .........................................36VDC
DC-DC OFF .......................................34VDC
Input Filter .................................................................................... L-C Type
Input Voltage Variation......... dv/dt ............................................ 5V/ms max
(Complies with ETS300 132 part 4.4)
Input Surge Voltage (100ms max) ............... 12V input ...................36VDC
24V input ...................50VDC
48V input .................100VDC
Input Reflected Ripple Current (See Note 6) ................................40mAp-p
(nominal Vin and full load)
Start Up Time (nominal Vin and constant resistive load)
Power Up................................................................................25ms typ.
Remote ON/OFF ....................................................................25ms typ.
Remote ON/OFF (See Note 7)
DC-DC ON .....................................................Open or 3.5V < Vr < 12V
DC-DC OFF......................................................Short or 0V < Vr < 1.2V
Remote Off Input Current (nominal Vin) ...........................................2.5mA
OUTPUT SPECIFICATIONS
Output Voltage ..............................................................................see table
Voltage Accuracy (nom Vin and full load) .........Single & Dual............. ±1%
Triple (main) .............. ±1%
(auxiliary) ......... ±5%
Voltage Adjustability (See Note 1) ..................................................... ±10%
(Single & Dual Outputs only-not including Dual positive & triple)
Output Current ..............................................................................see table
Output Power ........................................................................ 40 watts max.
Line Regulation (LL to HL at FL).................. Single & Dual.............. ±0.5%
Triple (main) .................. ±1%
Triple (auxiliary) ............. ±5%
Load Regulation (See Note 3) ..................... Single......................... ±0.5%
(10% to 100% FL)
Dual ............................... ±1%
Triple (main) .................. ±2%
(auxiliary) ............. ±5%
Load Cross Regulation (See Note 4) ....... Triple (main) ...................... ±1%
Dual/Triple (auxiliary)......... ±5%
OUTPUT SPECIFICATIONS (CONTINUED)
Minimum Load (See Note 2)........... Single & Dual Positive..................... 0%
Dual & Triple ........................ 10% of FL
Ripple/Noise (See Note 5)..............................................................see table
(20MHz -Measured with a 104pF/50V MLCC)
Transient Response Recovery Time ...................................................250us
(25% load step change)
PROTECTION SPECIFICATIONS
Over Voltage Protection ................................... 1.5V Output................. 3.9V
(Zener diode clamp)
1.8V Output................. 3.9V
2.5V Output................. 3.9V
3.3V Output................. 3.9V
5V Output.................... 6.2V
12V Output................... 15V
15V Output................... 18V
Over Load Protection (% of FL at nominal input) ....................... 150% max.
Short Circuit Protection...................................... Hiccup, automatic recovery
Over Temperature Protection .......................................................115°C typ.
GENERAL SPECIFICATIONS
Efficiency ........................................................................................see table
Switching Frequency (See Note 8)............................................300KHz typ.
Isolation Voltage (Input to Output)......................................... 1600VDC min.
Isolation Voltage (Input/Output to Case) ............................... 1600VDC min.
Isolation Resistance ...............................................................10⁹ ohms min.
Isolation Capacitance ............................................................. 1000pF max.
ENVIRONMENTAL SPECIFICATIONS
Operating Temperature ................................ -40°C to +85°C (with derating)
Storage Temperature .......................................................... -55°C ~ +105°C
Maximum Case Temperature ........................................................... +100°C
Relative Humidity...................................................................5% to 95% RH
Temperature Coefficient ................................................... ±0.02% / °C max.
Thermal Impedance (See Note 10)
Natural Convection ............................................................ 9.2°C / Watt
Heat-Sink with 20LFM ......................................................... 7.6°C/Watt
Heat-Sink with 500LFM ....................................................... 2.8°C/Watt
Thermal Shock .................................................................... MIL-STD-810D
Vibration ................................10~55Hz, 10G, 30 minutes along X, Y, and Z
MTBF (See Note 9) .............................................................. 1.398 x 10⁶ hrs
Wall Industries, Inc. 5 Watson Brook Road Exeter, NH 03833
603-778-2300 www.wallindustries.com Fax [phone]