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fficiency vs. load current for minimum, nominal, and maximum input voltage at 25C Power dissipation vs. load current for minimum, nominal, andmaximum input voltage at 25C. Typical full load input characteristics at room temperature !!"# Turn-on transient at full rated load current (resistive load) (2 ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: ON/OFF input, 5V/div Turn-on transient at zero load current (2 ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: ON/OFF input, 5V/div $ !!"# Turn-on transient at full rated load current (resistive load) (2 ms/div). Vin=48V.Top Trace: Vout, 2V/div; Bottom Trace: ON/OFF input, 5V/div Turn-on transient at zero load current (2 ms/div). Vin=48V.Top Trace: Vout, 2V/div, Bottom Trace: ON/OFF input, 5V/div Output voltage response to step-change in load current (75%-50%-75% of Io, max; di/dt = 0.1A/s). Load cap: 10F, tantalum capacitor and 1F ceramic capacitor. Top Trace: Vout (100mV/div, 200us/div), Bottom Trace: I out (5A/div). Scope measurement should be made using a BNC cable (length shorter than 20 inches). Position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module.. Output voltage response to step-change in load current (75%-50%-75% of Io, max; di/dt = 2.5A/s). Load cap: 330F, 35m ESR solid electrolytic capacitor and 1F ceramic capacitor. Top Trace: Vout (100mV/div, 200us/div), Bottom Trace: I out (5A/div). Scope measurement should be made using a BNC cable (length shorter than 20 inches). Position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module. Test set-up diagram showing measurement points for Input Terminal Ripple Current and Input Reflected Ripple Current. Note: Measured input reflected-ripple current with a simulated source Inductance (LTEST) of 12 H. Capacitor Cs offset possible battery impedance. Measure current as shown above Input Terminal Ripple Current, ic, at full rated output currentand nominal input voltage with 12H source impedance and 33F electrolytic capacitor (500 mA/div, 2us/div). Input reflected ripple current, is, through a 12H sourceinductor at nominal input voltage and rated load current (20 mA/div, 2us/div). Copper Strip Vo(+) 10u 1u SCOPE RESISTIVE LOAD Vo(-) Output voltage noise and ripple measurement test setup Output voltage ripple at nominal input voltage and ratedload current (Io=12A)(20 mV/div, 2us/div) Load capacitance: 1F ceramic capacitor and 10F tantalum capacitor. Bandwidth: 20 MHz. Scope measurements should be made using a BNC cable (length shorter than 20 inches). Position the load between 51 mm to 76 mm (2 inches to 3 inches) from the module. Output voltage vs. load current showing typical current limitcurves and converter shutdown points. &' '#& # ! ! ! -#& * ! 4 & % ! 78 ! ,9 ,99 76 # + :9&;<,9980. -#& "(' $ $ " ! ! ## &6 ! = 5/ # " & * 1 - = & * & !( $ $ ! - ! 2 4 " # # && >3'9?)9 *@*4((&(@&'9?)9499 @'9?)9A(999 % '9?)94,???# !! - ## 2 & - ;) -! # 2 ! 44 @4( 3& * @4( 3& / 3 ! 3 +# 1 4! . 2 & % 0 ! '9 2 ;) " 3 2 ! - A !" !" !" !" - -# -& -& % - - & * 3 -# # ! - ! 0 "& / %% 2 +! . - 4-! - & ! 1 4! + 3. ! 3& ! # & # # # & # 2 4-! ! )* 1 - &*! -- 1 # 1 & % % $ $ 5 # - -# - - # & %2 # # ! -# ! # - -# & *2 # # 4 #! &6 " & Vi(+) 4 ! ! & % 1B5 ! #!+ .& ! # !& % 1 !! & ! & 4 ! & % 1 4 ! ! & 4 -# # ! -# & 4 # & % 1 4 !!& ! # !& % 4 1 ! ! & ! !& - &@ ! &5 !& - -# 1 ! -! +4. & !- & 6 +4.& 6 & Vo(+) Sense(+) ON/OFF Sense(-) Vi(-) Vo(-) Remote on/off implementation ! -# & -! 1 A # C + .& Vi(+) Vo(+) Sense(+) Sense(-) Vi(-) Contact Resistance Vo(-) Contact and Distribution Losses Effective circuit configuration for remote sense operation % @ +D. +D. @ +E.+E. & - -# - F ! 1 -& / # ! ! ! & - 1 ! 1 1 ! & "#!$%& # - ! 1 -! %= @ +D. @ +4.& %= - & Circuit configuration for trim-up (increase output voltage) Circuit configuration for trim-down (decrease output voltage) %1 -!%= @ +4. +6& ,.& 1 2 - GA - ( ) - = 1&/ 4!4,9G+)H9&?I &). - = ( ) - = %1 -!%= @ +D. +6&,?.&1 2 - G A + - = - - ( ) 1&/ 4D,9G+)H,&,I)&). - = x x + - - = ( ) x - -#- ! 1 -& / # ! ! ! & - 1 ! -! 1 ! & # & - ! & # & 8 2 0 ! ! & '! 8 - -# ! & D,,)K&# -#F! !# - -! 1 & % 1 1 -# # -& " ! 0 ! 2 & # 2 # # - ! ! & ! ! ! 0 & ! 5/ # ! ! & -! - 5/ ! # '&J) +9&()"".& 8 Case temperature measurement location. Pin locations are for reference only. The allowed maximum hot spot temperature is defined at 115 !"# $ % & ! ' " () () AIR FLOW Wind tunnel test setup figure dimensions are in millimeters and (inches). Output current vs. ambient temperature and air velocity (Vin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