DD24S3.3-14000中文资料

2:1 Wide Input Voltage Range

FEATURES

● Single Output Up to 14A ● High Efficiency up to 91% ● RoHS Directive Compliant ● Fixed Switching Frequency ● No Minimum Load Required ● Six-Sided Continuous Shield ● 2:1 Wide Input Voltage Range ● Approved for Basic Insulation ● 60 Watts Maximum Output power ● Standard 2.02” x 2.02” x 0.4” Package

UL TUV CB

CE MARK (Pending)

SPECIFICATIONS:

DD Series

All specifications apply @ 25°C ambient unless otherwise noted

INPUT SPECIFICATIONS

PROTECTION SPECIFICATIONS

Over Voltage Protection.....................3.3V Output....................3.7V - 5.4V (Ctrl. voltage clamp) 5V Output.......................5.6V - 7.0V 12V Output.................13.5V - 19.6V 15V Output.................16.8V - 20.5V

Input Voltage Range............24V nominal input......................18 - 36VDC

48V nominal input......................36 - 75VDC

Under Voltage Lockout

24V nominal input...........DC-DC ON..................................17VDC typ. DC-DC OFF................................15VDC typ.

48V nominal input...........DC-DC ON..................................34VDC typ. DC-DC OFF................................32VDC typ.

Over Load Protection (% of FL at nominal input).......................150% max.

Short Circuit Protection......................................Hiccup, automatic recovery

Input Filter.......................................................................................Pi Type

Over Temperature Protection.......................................................110°C typ.

Input Voltage Variation.........dv/dt............................................5V/ms max (Complies with ETS300 132 part 4.4)

GENERAL SPECIFICATIONS

Efficiency........................................................................................see table

Input Surge Voltage (100ms max)...............24V input...................50VDC Switching Frequency.................................................................300KHz typ.

48V input.................100VDC

Isolation Voltage (Input to Output).........................................1600VDC min.

Input Reflected Ripple Current (nominal Vin and FL)...................20mAp-p Isolation Voltage (Input to Case)...........................................1600VDC min.

Start Up Time (nominal Vin and constant resistive load)

Isolation Voltage (Output to Case)........................................1600VDC min. Power Up..............................................................................20ms max.

Remote ON/OFF..................................................................20ms max. Case Grounding (connect case to -Vin with decoupling Y cap) ...........TBD

Remote ON/OFF (See Note 2)

Positive Logic ................DC-DC ON................Open or 3V < Vr < 12V DC-DC OFF.............Short or 0V < Vr < 1.2V

Negative Logic ...............DC-DC ON...............Short or 0V < Vr < 1.2V DC-DC OFF..............Open or 3V < Vr < 12V

Isolation Resistance...............................................................10 ohms min. Isolation Capacitance............................................................. 1500pF max.

9

ENVIRONMENTAL SPECIFICATIONS

Remote Off Input Current (nominal Vin)..............................................3mA

Operating Ambient Temperature.............-40°C to +50°C (without derating) +50°C to +105°C (with derating)

OUTPUT SPECIFICATIONS

Storage Temperature..........................................................-55°C ~ +125°C

Output Voltage..............................................................................see table

Maximum Case Temperature...........................................................+105°C

Voltage Accuracy (nom Vin and full load)........................................... ±1%

Relative Humidity...................................................................5% to 95% RH

Voltage Adjustability (See Note 1).....................................................±10%

Temperature Coefficient...................................................±0.02% / °C max.

Output Current..............................................................................see table

Output Power........................................................................60 watts max.

Thermal Impedance (See Note 4) Without Heat-Sink..............................................................9.2°C / Watt With Heat-Sink.....................................................................7.6°C/Watt

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