SC4150HIS4TRT Semtech, SC4150HIS4TRT Datasheet
SC4150HIS4TRT
Specifications of SC4150HIS4TRT
Related parts for SC4150HIS4TRT
SC4150HIS4TRT Summary of contents
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... Central office switching -48V Distributed power systems Power supply hotswap & inrush control U1 SC4150 1 8 PWRGD /PWRGD VCC DRAIN GATE 4 5 VEE SENSE C2 C3 0.001 0.33 R4 0.01 Figure 1 1 SC4150 Negative Voltage Hot Swap Controller C1 0.1 Vee VEE C4 R6 18k 3.3nF C5 150 www.semtech.com ...
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... Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified in the Electrical Characteristics section is not implied Electrical Characteristics Unless specified 25° 48V Values in bold apply over full operating temperature range 2004 Semtech Corp 0V SC4150 ...
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... POWER MANAGEMENT Electrical Characteristics (Cont.) Unless specified 25° 48V Values in bold apply over full operating temperature range Note: (1) This device is ESD sensitive. Use of standard ESD handling precaution is required. 2004 Semtech Corp > < SC4150 www.semtech.com µ µ µ A µ s µ s µ s µ ...
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... POWER MANAGEMENT Pin Configuration TOP VIEW PWRGD/PWRGD VEE 4 (SO-8) Pin Descriptions 2004 Semtech Corp. Ordering Information VCC DRAIN GATE Notes: (1) Only available in tape and reel packaging. A reel 5 SENSE contains 2500 devices. (2) Device marking: SC4150H, SC4150L - 100ms 4150H-4, 4150L-4 - 400ms (3) Lead free product ...
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... Block Diagram Active High PWRGD Vcc 12.5V Reg 60mV + Vee SENSE Active Low PWRGD Vcc 12.5V Reg 60mV + Vee SENSE 2004 Semtech Corp. 1.223V 50uA Timer _ +7V + Delay GATE DRAIN 1.223V 50uA Timer _ +7V + Delay GATE DRAIN 5 SC4150 PWRGD _ + 1.75V PWRGD _ + 1.75V ...
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... C1 R3 60mV Vee R4 -48V 2004 Semtech Corp. Resistors R1, R2 and R3 make up a voltage divider to set the Under-Voltage (UV) and Over-Voltage (OV) trip points. When the input power supply ramps up the UV trips at 1.273V and OV trips at 1.223V; during the ramp down transition the UV trips at 1.223V and OV trips at 1.198V. ...
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... Vmax /Imax = 150µF · 70V / 3A = 3.5ms This would be the minimum time for the gate voltage plateau during which the Vdd linearly decreases maintaining 3A charge current of the Cload. 2004 Semtech Corp. The inrush can be calculated using the following equation (50 µA • C ...
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... Below are the snap-shots taken at start-up with different loading conditions and during the application of the over- current at the output of the circuit. For all figures, Ch1 Ch2: V DRAIN Figure 3. Start-up with no load. Figure 5. Start-up with 1Amp load. 2004 Semtech Corp. ; Ch3: PWRGD; Ch4: V (Input current) GATE R4 Figure 6. From 3A load into “short circuit”. 8 SC4150 Figure 4 ...
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... For all figures, Ch1 Ch2: V DRAIN Figure 7. Short circuit hiccup. Figure 9. Inrush limit. 2004 Semtech Corp. ; Ch3: PWRGD (referenced to V GATE 9 SC4150 ); Ch4: V (Input current) ...
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... POWER MANAGEMENT Evaluation Board Schematic GND GND(remote) C1 0.1 R1 562k R2 9.31k C2(opt) R3 0.01 10.2k -- 48V Evaluation Board 2004 Semtech Corp. U1 SC4150H PWRGD/PWR AIN C4 R6 18k 3.3nF GATE 4 5 VEE SENSE 0. 0.01 IRF1310 10 SC4150 R7 Copt (opt) 0.1 ON/OFF +Vout +Vin C6(opt) POWER C5 150 ...
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... POWER MANAGEMENT Evaluation Board - Bill of Materials 2004 Semtech Corp SC4150 www.semtech.com ...
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... POWER MANAGEMENT Outline Drawing - SO-8 Minimum Land Pattern - SO-8 Contact Information Phone: (805)498-2111 FAX (805)498-3804 2004 Semtech Corp. Semtech Corporation Power Management Products Division 200 Flynn Road, Camarillo, CA 93012 12 SC4150 JEDEC REF: MS-012AA www.semtech.com ...