SBST-084-SBST-00 www.murata-ps.com 3.3V Input, 5.0V Output, 5A This product is not fuse protected. User is responsible for providing system protection. Consult factory for application information. Specifications * SBST-03 INPUT SPECIFICATIONS Input voltage range External input capacitor 3.3V ± 0.3V Minimum 200μF with adequate ripple current rating Measured at +Vin pin See also note on pg 5 OUTPUT SPECIFICATIONS 5.0V Standard setpoint accuracy varies ±3%. Contact factory for tighter tolerances. See note on pg 4 for trimming to different voltages. Output current 5A 300 LFM at 50°C (see also derating curves) Load regulation ±0.4% 0 to 5A load Standard output voltages Line regulation FEATURES High Output 5A External output capacitor Overcurrent protection ±0.4% Over specified input voltage range >470μF with low ESR See also note on pg 5 7.5A 95% VOUT setpoint 3.3V ± 10% input voltage GENERAL SPECIFICATIONS Regulation ±0.4% Line and Load Enable ** ON - open or high / OFF - low Industry Standard Pin Configuration Efficiency 80% typical High Efficiency To 80% Isolation Non-isolated Remote Sense, Trim and Enable** Capable Switching frequency 300 kHz MTBF 8.11 million hours Approvals and Standards UL 94V-0 Protection See efficiency curves on pg 4 Fixed Fusing Unit is not fused. Operating Temperature -40°C to 55°C See also derating curves on pg 4 Storage Temperature -40°C to 85°C Non-condensing Weight .2 oz. (5.7 gm) MTBF 8.1 million hours Per RAC PRISM at 50°C ambient and 400 LFM * All specifications are typical at nominal input, full load at 25°C unless otherwise stated. ** Pull below 0.5V and sink greater than 2mA to disable the boost action: Vin = Vout; leave open or pull above 1.5V (10kΩ pull-up resistor connected to +3.3V) to enable the boost action: Vout = 5V. www.murata-ps.com/support MDC_SBST-084-SBST-00.B02 Page 1 of 6 SBST-084-SBST-00 3.3V Input, 5.0V Output, 5A PART NUMBER CODING SBST - 03 2 0 500 - 7 B Model Number Pin Length B = .145 inch (Standard) Input Voltage 03 = 3.3V Feature Options* 7 = Remote Sense, Trim and Enable (Standard) 5 = Remote Sense, Trim** 0 = No Feature Options Mechanical Options 2 = Vertical Top Side Pins (Standard) 4 = Horizontal Output Voltage 500 = 5.00 Volts Set Point Tolerance 0 = Factory Standard (See Specifications) * Pin present only on selected features. ** Available only in vertical-mount option. PIN ASSIGNMENT CONNECTOR J1 PIN FUNCTION PIN FUNCTION 1 VOUT 1 Ground 2 VOUT 2 VIN 3* Remote Sense (Empty Optional) 3 VIN 4* Empty (Reference Voltage Optional) 5 Trim 6 Enable 4 VOUT 5 Ground CONNECTOR J2 * Pin is present only when feature is selected. www.murata-ps.com/support MDC_SBST-084-SBST-00.B02 Page 2 of 6 SBST-084-SBST-00 3.3V Input, 5.0V Output, 5A MECHANICAL DIMENSIONS 2.52 (64.0) MAX 2.400 (61.0) 0.050 Topside 0.57 (14.5) MAX 1 2 3 4 5 1 2 3 4 5 6 J1 0.100 TYP (2.50) 0.28 (7.1) J2 0.145 (3.68) 0.025 SQ* (0.64) NOTE 3 1.400 (35.6) Mechanical Option 2 .360 MAX .218 MAX .072 MAX .03 Mech Option #2 (Standard) * Recommended Customer Hole Size 0.046 ±.003 with 0.070 pad both sides 1. Dimensions are in inches and (millimeters). 2. Tolerances: (unless otherwise noted) Inches .XX ± .020 .XXX ± .010 Pin: ± .002 Millimeters .X ± 0.5 .XX ± 0.25 ± 0.05 3. Pin is present only if feature is selected. www.murata-ps.com/support MDC_SBST-084-SBST-00.B02 Page 3 of 6 SBST-084-SBST-00 3.3V Input, 5.0V Output, 5A EFFICIENCY CURVES AT 25°C Vin = 3.0V Vin = 3.3V Vin = 3.6V 83% Efficiency 82% 81% 80% 79% 78% 77% 0.5 2.5 5.0 Output Current (A) DERATING CURVES Output Current (A) 100 LFM 200 LFM 300 LFM 400 LFM 5.0 4.9 4.8 4.7 4.6 4.5 4.4 25 40 55 Local Ambient Temperature (*C) RESISTOR TRIM EQUATIONS Resistor Trim Equations For 5.00V < VOUT RTRIM = For 4.50V 5.50V, connect RTRIM between the Trim pin and Ground. 12400 ______________ VOUT - 4.9749 VOUT < 5.00V, connect RTRIM between the Trim pin and the VOUT pin. 10000V OUT - 12400 ______________ RTRIM = 4.9749 - VOUT www.murata-ps.com/support MDC_SBST-084-SBST-00.B02 Page 4 of 6 SBST-084-SBST-00 3.3V Input, 5.0V Output, 5A External Capacitance for the Boost SIP Product All SIP products require external capacitors to be placed on the system board that the SIP will be designed into. The following guidelines should be applied to choose the external capacitors for the Boost SIP. Input Capacitance More relaxed requirements apply to the input capacitor. A capacitor having at least 200μF has to be used. The capacitor must be able to handle the input AC ripple current. For the boost SIP, this can be approximated to 20% of the output current. There is no specific requirement for ESR. The Boost SIP operation is not affected by this parameter. To minimize input voltage ripple the user may select to use a low ESR capacitor as well. An ESR lower than 0.057 is recommended. Output Capacitance The capacitor must be able to handle the AC ripple current. A conservative rule is to assume this is roughly equal to the output current of the boost SIP. If the boost is used to provide 5A, then the output capacitor’s allowable ripple current needs to be at least 5A. If one capacitor’s allowable ripple current is less than 5A, then several capacitors have to be used so the total allowable ripple current is at least 5A. The capacitor needs to have a low ESR (Equivalent Series Resistance) to help reduce the output voltage ripple. A rough calculation of the needed ESR can be done using the formula: ESR = Where: VRIPPLE ______________ 2 x IOUT ESR = Capacitor’s equivalent series resistance (7) VRIPPLE = Desired output voltage ripple (Vpk - to - pk) IOUT = Output current (A) Example: Assume the Boost SIP provides a maximum current of 5A and the voltage ripple needs to be lower than 0.1V peak to peak. 0.1 _____ ESR = = 0.017 2x5 The capacitance value should be at least 470μF, but due to the ripple current and ESR requirements the actual capacitors may end up having a much larger total capacitance. www.murata-ps.com/support MDC_SBST-084-SBST-00.B02 Page 5 of 6 SBST-084-SBST-00 3.3V Input, 5.0V Output, 5A Short Circuit / Over Current Protection The Boost SIP does not have any means to protect against a short circuit at the output. The short circuit current will flow from the 3.3V input supply, through the boost diode (capable to handle close to 20A) and through the short circuit. The user is advised to implement over current protection on his 3.3V input supply that is used in the application. There is an over current protection against excessive current required from the SIP. The Boost SIP will maintain its output voltage within regulation up to an output current of 7.5A (typical). If the current demanded by the load exceeds this value, the output voltage will start to decrease below its regulation value and go as low as one diode voltage drop below the input voltage. Note that this kind of protection will not limit the current that can be drawn from the Boost SIP. Murata Power Solutions, Inc. 11 Cabot Boulevard, Mansfield, MA 02048-1151 U.S.A. ISO 9001 and 14001 REGISTERED This product is subject to the following operating requirements and the Life and Safety Critical Application Sales Policy: Refer to: http://www.murata-ps.com/requirements/ Murata Power Solutions, Inc. makes no representation that the use of its products in the circuits described herein, or the use of other technical information contained herein, will not infringe upon existing or future patent rights. The descriptions contained herein do not imply the granting of licenses to make, use, or sell equipment constructed in accordance therewith. Specifications are subject to change without notice. © 2012 Murata Power Solutions, Inc. www.murata-ps.com/support MDC_SBST-084-SBST-00.B02 Page 6 of 6