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| NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A S7DC-16D120 Module * * * * * * * * * * * Nonisolated Industry standard pinout Fixed frequency High efficiency means less power dissipation High power density Optimized for cost Remote on/off Programmable undervoltage lockout (UVLO) Over current and short circuit protection Two phase operation Non-latching over temperature shutdown protection POWER PRODUCTS BP02S7DC-16D120 Description The Bel S7DC-16D120 module is one in a series of non-isolated, DC/DC power converters that operate from a wide input range of 3V minimum to 15V maximum. This converter is available with 1.2V output. It uses a low profile, surface mount DIP package for ease of layout and space savings. 16A maximum output is also provided. Standard features include remote on/off, over current and short circuit protection, programmable UVLO and output voltage adjust. Optional features include two-wire remote sense or single-ended remote sense with a good power signal. This module also makes use of adaptive positioning to improve transient response performance. It may be used almost anywhere low voltage silicon is employed and a 3 to 15V source is available. Typical applications include file servers, routers, line cards and other computing and communications equipment. Applications * * * Telecommunications Networking Computers and peripherals Options * * Double-ended remote sense Power good signal and single-ended sense Part Number Selection Output Voltage 1.2V Input Voltage 3 - 15V Max. Output Current 16A Max. Output Power 19W Typical Efficiency 83% Part Number Part Number Power Good Signal & Remote Sense S7DC-16D12S Part Number Double-ended Remote Sense S7DC-16D12D S7DC-16D120 (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 1 POWER PRODUCTS BP02S7DC-16D120 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A Absolute Maximum Ratings Parameter Continuous Input Voltage Output Enable Terminal Voltage1 Ambient Temperature Storage Temperature Symbol Vin Vouten Tamb Tstor Min -0.3 -0.3 0 -40 Typical Max 15 6 70 105 Unit V V C C Note: Use beyond the maximum ratings may cause a reliability degradation of the DC/DC converter or may permanently damage the device. 1. The enable pin performs two functions, remote on/off and programmable under voltage lockout. The factory set UVLO point is 3.0V typical, but can be adjusted upward with the addition of a single external resistor located from the enable pin to ground. Turning the converter on and off is accomplished using an open collector/drain device as a switch. The enable pin is internally pulled up to Vin through a 12.1K resistor and the pin's logic is active high. Input Specifications Parameter Operating Input Voltage Input Current (Vin=3.3V) Input Current (Vin=5.0V) Input Current (Vin=12.0V) No Load Input Current (Vin=3.3V) No Load Input Current (Vin=5.0V) No Load Input Current (Vin=12.0V) Input Reflected Ripple Current1 Input Reflected Ripple Current (P-P)1 I2t Inrush Current Transient Turn On Voltage Threshold2 Turn Off Voltage Threshold 2.8 2.92 2.85 2.90 Symbol Vin Iin Iin Iin Iin Iin Iin Min 3.1 Typical Max 15 7.2 5 2.1 200 150 100 50 100 0.1 Units V A A A mA mA mA mArms mApk A 2s V V Note: Input capacitance 100F/16V, ESR = 0.03 max at 100kHz @ 25 C. 1. With simulated source impedance of 500nH, 5Hz to 20MHz. 2. UVLO is adjustable by terminating on/off pin to ground per the termination resistance table on page 7. (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 2 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A POWER PRODUCTS BP02S7DC-16D120 Output Specifications Parameter Output Voltage Set Point Load Regulation (Droop Impedance) Line Regulation Input Voltage 3.1V to 15V Line Regulation Input Voltage 5V 20% Regulation Over Temperature 0 - 70 C Output Ripple and Noise1 Output Ripple and Noise1 Output Current Range Output DC Current Limit Turn on Time Vin to Vout or on/off to Vout Overshoot at Turn On Output Capacitance Cout 100 Iout Ioutlim Ton 8 0 10 1 2200 % F 0 18 Symbol Vout Rout Min 1.20 2 Typical 1.22 2.5 Max 1.25 3 Units V m mV 15 25 mV 3 10 mV 10 25 10 25 40 20 16 22 mVp-p mVrms A A ms Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. 1. 0 - 20MHz BW, 0.1F ceramic cap on output. (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 3 POWER PRODUCTS BP02S7DC-16D120 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A Output Specifications Parameter Transient Response 2 (Vin=3.3V) V 50% to 100% of Max Load Settling Time V 100% to 50% of Max Load Settling Time Transient Response 2 (Vin=5.0V) V 50% to 100% of Max Load Settling Time V 100% to 50% of Max Load Settling Time Transient Response 2 (Vin=12.0V) V 50% to 100% of Max Load Settling Time V 100% to 50% of Max Load Settling Time Ts Ts 135 100 135 100 150 120 150 120 mV s mV s Ts Ts 100 100 100 100 120 120 120 120 mV s mV s Ts Ts 60 100 60 100 75 120 75 120 mV s mV s Symbol Min Typical Max Units Note: All specifications are typical at nominal input, full load at 25 C unless otherwise stated. 2. di/dt = 1A/1S, Ta = 25 C with a 560F oscon cap on output. (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 4 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A General Specifications Parameter Efficiency1 (Vin=3.3V) Efficiency2 (Vin=5.0V) Efficiency3 (Vin=12.0V) Switching Frequency Output Voltage Trim Range4 Remote Sense Compensation (when option specified) Weight 16 Symbol Fsw Min 81 80 77 495 90 Typical 83 82 80 550 605 110 300 Max Units % % % kHz % mV POWER PRODUCTS BP02S7DC-16D120 g 1. Vin=3.3V, full load and Ta=25 C. 2. Vin=5.0V, full load and Ta=25 C. 3. Vin=12.0V, full load and Ta=25 C. 4. See graph on page 7. Control Specifications Parameter Remote On/Off Open Circuit Voltage (Vin=3.3V) Remote On/Off Open Circuit Voltage (Vin=5.0V) Remote On/Off Open Circuit Voltage (Vin=12.0V) Remote On/Off Impedance Limitation (pin pulled up to +Vin) Signal Low (Unit Off) Signal High (Unit On) Power Good Levels (when option specified) Signal Low Current Sink Signal High (signal is open collector) Under Voltage Threshold Vout rising Under Voltage Threshold Vout falling Vpg 0.18 0.4 4 V mA V 5 V 1.1 V 1.08 Symbol Vouten Min Typical Max 1.4 Units V Vouten 2.1 V Vouten Renable 5.1 V k 11.5 -0.3 1.5 0.3 5.5 V V Note: On/off pin designed to work with an open collector/drain switch. (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 5 POWER PRODUCTS BP02S7DC-16D120 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A Efficiency Data Module 1.20V 90% 85% Efficiency 80% 75% 70% 65% 1.6 3.3V 5.0V 12V 4.0 8.0 Output Current 12.0 16.0 (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 6 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A POWER PRODUCTS BP02S7DC-16D120 Termination Resistance Termination Resistance Open Circuit 10.2K 5.36K 4.75K 3.48K 3.01K 2.49K 2.37K Rising Vin UVLO 2.92V 4.50V 6.06V 6.50V 8.00V 9.00V 10.5V 11.0V Falling Vin UVLO 2.85V 4.14V 5.28V 5.60V 6.58V 7.14V 8.00V 8.26V UVLO Output Voltage Trim Range (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 7 POWER PRODUCTS BP02S7DC-16D120 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A Ripple and Noise Ripple and noise at full load and 12.0Vdc input, and Ta=25 C Ripple and noise at full load and 12.0Vdc input, and Ta=25 C with 560 F external cap (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 8 POWER PRODUCTS BP02S7DC-16D120 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A Transient Response Transient response: di/dt = 1.0A/S Vout=1.2V 50% to 100% load transients at 12.0V input and Ta=25 C Vout=1.2V 100% to 50% load transients at 12.0V input and Ta=25 C Transient response: di/dt = 1.0A/S, external load capacitance 560F Vout=1.2V 50% to 100% load transients at 12.0V input and Ta=25 C Vout=1.2V 100% to 50% load transients at 12.0V input and Ta=25 C (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 9 POWER PRODUCTS BP02S7DC-16D120 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A Thermal Considerations Derating Curve VIN = 12V 18 16 14 Output Current (A) 200LFM 100LFM Natural Convection 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 Ambient Temperature, Ta (C) Output Current vs. Local Ambient Temperature and Air Velocity Derating Curve VIN = 5V (and 3.3V where applicable) 18 16 14 Output Current (A) 200LFM 100LFM Natural Convection 12 10 8 6 4 2 0 0 10 20 30 40 50 60 70 Ambient Temperature, Ta (C) Output Current vs. Local Ambient Temperature and Air Velocity (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 Bel Fuse Inc. 206 Van Vorst Street, Jersey City, NJ 07302 * Tel 201-432-0463 * Fax 201-432-9542 * www.belfuse.com page 10 NON-ISOLATED DC/DC CONVERTERS 3 - 15V Input / 1.2V Output / 16A POWER PRODUCTS BP02S7DC-16D120 Mechanical 0.090 [2.29] 0.100 [2.54] 2.013 [51.13] max 0.120 [3.05] 4 3 2 9 8 7 6 5 0.200 [5.08] 0.400 [10.17] 0.200 [5.08] 0.600 [15.23] 0.800 1.020 [20.33] [25.91] max 1 2.125 [53.98] 2.305 [58.55] Recommended PCB Pad Layout 0.300 [7.62] 0.070 [1.78] 2.265 [57.52] max 0.400 [10.17] max Dimensions are in inches [millimeters]. Standard dimension tolerance is 0.005 [0.13] unless otherwise noted. Pin 1 2 31 42 5 6 7 8 9 Function Control Ground On/Off Control No Connection No Connection +Vo Trim Power Ground Power Ground +Vin 1. Pin 3 not used on module S7DC-16D120, used for - sense on S7DC-16D12D and used for power good signal on the S7DC-16D12S module. 2. Pin 4 not used on module S7DC-16D120, used for + sense on both the S7DC-16D12S and S7DC-16D12D modules. (c)2003 Bel Fuse Inc. Specifications subject to change without notice. 03.03 CORPORATE Bel Fuse Inc. 206 Van Vorst Street Jersey City, NJ 07302 Tel 201-432-0463 Fax 201-432-9542 www.belfuse.com FAR EAST Bel Fuse Ltd. 8F / 8 Luk Hop Street San Po Kong Kowloon, Hong Kong Tel 852-2328-5515 Fax 852-2352-3706 www.belfuse.com EUROPE Bel Fuse Europe Ltd. Preston Technology Management Centre Marsh Lane, Suite G7, Preston Lancashire, PR1 8UD, U.K. Tel 44-1772-556601 Fax 44-1772-888366 www.belfuse.com page 11 |
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