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DIM3R3300SFA Datasheet(PDF) 5 Page - Delta Electronics, Inc. |
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DIM3R3300SFA Datasheet(HTML) 5 Page - Delta Electronics, Inc. |
5 / 13 page DATASHEET DS_DIM3R3_09102010 5 ELECTRICAL CHARACTERISTICS CURVES Figure 1: Input voltage turn-on threshold (2mS/div): CH1: Vin (VRTN_AF reference to -48V_AF, 10V/div). CH2: Iin (-48V_AF, 2A/div). CH3: VRTN_OUT reference to –48V_OUT (10V/div). Test conditions: (1) Feed A=37Vdc (Von slew rate= 0.1V/ms); Feed B=0Vdc (2) I(VRTN_OUT)=1A, I(3.3V)=0A,I(5V BLUE_LED_PWR)=0A. (3) C2=220uF, C_hold=220uF Figure 2: Input voltage turn-off threshold (2mS/div): CH1: Vin (VRTN_AF reference to -48V_AF, 10V/div). CH2: Iin (-48V_AF, 2A/div). CH3: VRTN_OUT reference to. –48V_OUT (10V/div). Test conditions: (1) Feed A=37Vdc (Voff slew rate= 0.3V/ms); Feed B=0Vdc (2) I(VRTN_OUT)=1A,I(3.3V)=0A,I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=220uF Figure 3: Inrush current (2mS/div): CH1: Vin (VRTN_AF reference to -48V_AF, 10V/div). CH2: Iin (-48V_AF, 2A/div). CH3: VRTN_OUT reference to –48V_OUT (10V/div). Test conditions: (1) Feed A=48Vdc, Feed B=0Vdc. (2) I(VRTN_OUT)=1A, I(3.3V)=0A, I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=220uF Figure 4: Oring for one feed loss (500µS/div): CH1: IinA (2A/div) CH2: IinB (2A/div). CH3: VRTN_OUT reference to –48V_OUT (10V/div). CH4: VMGMT_PWR (1V/div). Test conditions: (1) Feed A=60V, Feed B=48V; (2) Q48SH12025: I(12 Vout)=22.5A, I(3.3V)=2.5A, I(5V BLUE_LED PWR)=0A. (3) C2=220uF, C_hold=220uF CH 1 CH 2 CH 3 CH 1 CH 2 CH 3 CH 1 CH 2 CH 3 CH 4 CH 1 CH 2 CH 3 |
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