Delta DNT04 - Manuals - manualsarea.com

Page 2 - TECHNICAL SPECIFICATIONS; PARAMETER

DS_DNT04SIP3A_09262007 2 TECHNICAL SPECIFICATIONS (T A = 25°C, airflow rate = 300 LFM, V in = 2.4Vdc and 5.5Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS DNT04S0A0R03NFA Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) 0 5.8 Vdc Operating Temperatu...

Page 3 - ELECTRICAL CHARACTERISTICS CURVES

DS_DNT04SIP3A_09262007 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Converter efficiency vs. output current (5Vin/3.3Vout) Figure 2: Converter efficiency vs. output current (5Vin/2.5Vout) Figure 3: Converter efficiency vs. output current (5Vin/1.8Vout) Figure 4: Converter efficiency vs. output curr...

Page 6 - Figure 19: Typical transient response to step load change at

DS_DNT04SIP3A_09262007 6 ELECTRICAL CHARACTERISTICS CURVES Figure 19: Typical transient response to step load change at 2.5A/µS from 100% to 50% of Io, max at 5Vin, 3.3Vout (Cout = 1uF ceramic, 10µF tantalum), 0.1V/div Figure 20: Typical transient response to step load change at 2.5A/µS from 50% to ...

Page 7 - DESIGN CONSIDERATIONS; Input Source Impedance; Input reflected-ripple current is measured with a; GND; F tantalum and 1; Figure 25: Output voltage and efficiency measurement test; Ii

DS_DNT04SIP3A_09262007 7 DESIGN CONSIDERATIONS Input Source Impedance The power module should be connected to a low ac-impedance input source. Highly inductive source impedances can affect the stability of the module. An input capacitance must be placed close to the modules input pins to filter ripp...

Page 8 - Over-Temperature Protection; Rtrim; Vtrim; Circuit configuration for programming output voltage; FEATURES DESCRIPTIONS; Figure 27: Negative remote On/Off implementation; The units operate

DS_DNT04SIP3A_09262007 8 FEATURES DESCRIPTIONS (CON.) Over-Temperature Protection The over-temperature protection consists of circuitry that provides protection from thermal damage. If the temperature exceeds the over-temperature threshold the module will shut down. The module will try to restart af...

Page 9 - Figure 30: Circuit configuration for output voltage margining; Circuit Configuration for programming output voltage; If

DS_DNT04SIP3A_09262007 9 Figure 30: Circuit configuration for output voltage margining Vo On/Off Vin GND Trim Q2 Q1 Rmargin-up Rmargin-down Rtrim Vo TRIM GND RLoad Vtrim + _ Figure 29: Circuit Configuration for programming output voltage using external voltage source The amount of power delivered by...

Page 10 - THERMAL CONSIDERATIONS; Thermal Testing Setup; THERMAL CURVES

DS_DNT04SIP3A_09262007 10 Note: Wind Tunnel Test Setup Figure Dimensions are in millimeters and (Inches) Figure 31: Wind tunnel test setup THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module...

Page 11 - MECHANICAL DRAWING; SMD PACKAGE

DS_DNT04SIP3A_09262007 11 MECHANICAL DRAWING SMD PACKAGE (OPTIONAL) SIP PACKAGE

Page 12 - PART NUMBERING SYSTEM

DS_DNT04SIP3A_09262007 12 PART NUMBERING SYSTEM DNT 04 S 0A0 R 03 N F A Product Series Input Voltage Numbers of Outputs Output Voltage Package Type Output Current On/Off logic Option Code DNT- 3A/5A 04 - 2.4V~5.5V S - Single 0A0 - Programmable R - SIP 03 - 3A N- negative(Default) P- positive F- RoHS...