Page 2 - TECHNICAL SPECIFICATIONS; PARAMETER
DS_DNS04SIP06A_07172008 2 TECHNICAL SPECIFICATIONS (T A = 25°C, airflow rate = 300 LFM, V in = 2.8Vdc and 5.5Vdc, nominal Vout unless otherwise noted.) PARAMETER NOTES and CONDITIONS DNS04S0A0R06PFD Min. Typ. Max. Units ABSOLUTE MAXIMUM RATINGS Input Voltage (Continuous) 0 5.8 Vdc Tracking Voltage V...
Page 3 - ELECTRICAL CHARACTERISTICS CURVES
DS_DNS04SIP06A_07172008 3 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Converter efficiency vs. output current (3.3V out) Figure 2: Converter efficiency vs. output current (2.5V out) Figure 3: Converter efficiency vs. output current (1.8V out) Figure 4: Converter efficiency vs. output current (1.5V o...
Page 6 - Typical transient response to step load change at
DS_DNS04SIP06A_07172008 6 ELECTRICAL CHARACTERISTICS CURVES Figure 19: Typical transient response to step load change at 2.5A/ μ S from 100% to 50% of Io, max at 5Vin, 3.3Vout (Cout = 1uF ceramic, 10 μ F tantalum) Figure 20: Typical transient response to step load change at 2.5A/ μ S from 50% to 100...
Page 8 - Vo; GND; Note: All measurements are taken at the module; Ii; DESIGN CONSIDERATIONS; Input Source Impedance; tantalum; capacitors in parallel with 94 μF (2 x 47
DS_DNS04SIP06A_07172008 8 TEST CONFIGURATIONS V I (+) V I (-) BATTERY 2 100uF Tantalum L TO OSCILLOSCOPE Note: Input reflected-ripple current is measured with a simulated source inductance. Current is measured at the input of the module. Figure 29: Input reflected-ripple test setup Vo GND COPPER STR...
Page 9 - Safety Considerations; FEATURES DESCRIPTIONS; Positive remote On/Off implementation; The units
DS_DNS04SIP06A_07172008 9 DESIGN CONSIDERATIONS (CON.) 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 ripple current and ...
Page 10 - Over-Temperature Protection; Table 1; Table 2
DS_DNS04SIP06A_07172008 10 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 ...
Page 11 - Simultaneous; If unused, leave the trim pin unconnected.; Circuit configuration for output voltage margining
DS_DNS04SIP06A_07172008 11 The output voltage tracking feature (Figure 40 to Figure 42) is achieved according to the different external connections. If the tracking feature is not used, the TRACK pin of the module can be left unconnected or tied to Vin. For proper voltage tracking, input voltage of ...
Page 12 - to the TRACK pin of PS2. Please note
DS_DNS04SIP06A_07172008 12 FEATURE DESCRIPTIONS (CON.) Sequential Start-up Sequential start-up (Figure 40) is implemented by placing an On/Off control circuit between Vo PS1 and the On/Off pin of PS2. R1 R2 Vo PS1 PS1 Vin On/Off On/Off PS2 Vo PS2 Vin C1 Q1 R3 Simultaneous Simultaneous tracking (Figu...
Page 13 - THERMAL CONSIDERATIONS; Thermal Testing Setup; Wind tunnel test setup; THERMAL CURVES; Temperature measurement location
DS_DNS04SIP06A_07172008 13 THERMAL CONSIDERATIONS Thermal management is an important part of the system design. To ensure proper, reliable operation, sufficient cooling of the power module is needed over the entire temperature range of the module. Convection cooling is usually the dominant mode of h...
Page 15 - MECHANICAL DRAWING; SIP PACKAGE
DS_DNS04SIP06A_07172008 15 MECHANICAL DRAWING SMD PACKAGE (OPTIONAL) SIP PACKAGE
Page 16 - PART NUMBERING SYSTEM
DS_DNS04SIP06A_07172008 16 PART NUMBERING SYSTEM DNS 04 S 0A0 R 06 P F D Product Series Input Voltage Numbers of Outputs Output Voltage Package Type Output Current On/Off logic Option Code DNS - 6A DNM - 10A DNL - 16A 04 - 2.8~5.5V 10 –8.3~14V S - Single 0A0 - Programmable R - SIP S - SMD 06 - 6A 10...