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| SR5000W Series Ultra-Miniature, SIP 50W, Wide Input Range POL Switching Regulator Electrical Specifications Specifications typical @ +25C, nominal input voltage & rated output current, unless otherwise noted. Specifications subject to change without notice. Key Features: * 50W Output Power * Efficiency to 93% * Miniature SIP Construction * Wide Input Range * Over Temp. Protection * Remote On/Off * Short Circuit Protection * Low Cost Input Parameter Input Voltage Range Conditions 3.3 VDC Input 12 VDC Input Conditions Vin = Min to Max Iout = 0% to 100% Min. 3.0 10.0 Min. Typ. Typ. Max. 5.5 14.0 Max. 2.0 0.5 0.5 0.5 50 1.5 Full Resistive Load 75% Load Step Change 2 50 5.0 0.02 See Note 1 Min ESR > 10 m Continuous (Autorecovery) Conditions Min. Not Isolated 300 Conditions Case Min. -40 -55 Free Air Convection RH, Non-condensing 95 % Typ. +25 Max. +85 +125 kHz Units C C Typ. Max. Units 115 5,000 10.0 Units VDC Output Parameter Output Voltage Accuracy Line Regulation Load Regulation Remote Sense Compensation Ripple & Noise (20 MHz) Rise Time Turn On Delay Transient Recovery Time Transient Response Deviation Temperature Coefficient Overtemperature Protection Units % % % VDC mV P - P mS mS Sec % %/C C RoHS Compliant Maximum Capacitive Loading Output Short Circuit F General Parameter Isolation Voltage Switching Frequency Environmental Parameter Operating Temperature Range Storage Temperature Range MicroPower Direct 292 Page Street Suite D Stoughton, MA 02072 USA T: (781) 344-8226 F: (781) 344-8481 E: sales@micropowerdirect.com W: www.micropowerdirect.com Cooling Humidity Physical Size Weight 2.0 x 0.28 x 0.5 Inches (50.8 x 7.1 x 12.7 mm) 0.19 Oz (6.0g) Conditions MIL HDBK 217F, 25C, Gnd Benign Min. 2.0 Typ. Max. Units MHours UL94V-0 Conditions 5 VDC Input 12 VDC Input Wave Solder <10S 425C Iron Temperature Min. -0.7 -0.7 Typ. Max. 6.0 16.0 250.0 5.0 Units VDC C Sec Reliability Specifications Parameter MTBF Flammability Rating Absolute Maximum Ratings Parameter Input Voltage Surge (1 Sec) Pin Solder Temperature Hand Solder Temperature Model Selection Guide Model Number SR5003W-06 SR5003W-10 SR5003W-16 SR5012W-06 SR5012W-10 SR5012W-16 Input Voltage (VDC) Nominal 3.3 3.3 3.3 12 12 12 Range 3.0 - 5.5 3.0 - 5.5 3.0 - 5.5 10.0 - 14.0 10.0 - 14.0 10.0 - 14.0 Output Voltage (VDC) 0.75 - 3.3 0.75 - 3.3 0.75 - 3.3 0.75 - 5.0 0.75 - 5.0 0.75 - 5.0 Current (A, Max) 6.0 10.0 16.0 6.0 10.0 16.0 Typical Connection Diagram Notes: 1. An overtemperature protection circuit shuts down the converter if the temperature at the output inductor exceeds 115C. The unit will restart automatically when the temperature at the output inductor drops below 110C. 2. For a 3.3V output, the input range is 4.0 to 5.5 VDC 3. No minimum load is required. Operation at no-load will not damage these units. 4. These converters require no additional external components to meet specifications. However, using external capacitors as shown in the typical connection drawing at right may lower noise in some applications. 5. Transient recovery is measured to within a 1% error band for a load step change of 25% to 100%. 6. It is recommended that a fuse be used on the input of a power supply for protection. Contact the factory for the correct rating. Derating Curve 1. C1 and C2 are Electrolytic capacitors. C2 should have a low ESR. C3 is a ceramic capacitor. 2. When not being used, the Remote Sense pin (pin 3) should be connected to VOUT as close to the converter as possible. 3. The output voltage of the SR50xxW may be trimmed down by connecting an external resistor between the Trim Pin (pin 10) and Ground (pins 5 & 6). This resistor value (in k) is given by: SR5003W-xx RTRIM = 21.07 (VO - 0.7525) 10.5 (VO - 0.7525) - 5.11 SR5012W-xx RTRIM = - 1.0 RTrim values for typical output levels are: Output Voltage 0.75 VDC 1.00 VDC 1.20 VDC 1.50 VDC 1.80 VDC 2.00 VDC 2.50 VDC 3.30 VDC 5.00 VDC SR5003W-xx SR5012W-xx Open Open 80.021 k 41.424 k 41.973 k 22.460 k 23.077 k 13.050 k 15.004 k 9.024 k 11.779 k 7.416 k 6.947 k 5.009 k 3.160 k 3.122 k --1.472 k Control Pin Open or VIN Grnd or < 0.4V Pin Connections Pin 1 1 2 3 4 5 6 7 Vin 8 Vin 9 NC 10 11 Vout Vout Sen Vout Gnd Gnd Trim Cont 4. The Control input (pin 11) uses TTL compatible logic as follows: Unit ON OFF Mechanical Dimensions MicroPower Direct www.micropowerdirect.com * Notes: * All dimens dimensions are typical in inches (mm) * Tolerance x.xx = 0.01 (0.25) * 292 Page Street Ste D Stoughton, MA 02072 TEL: (781) 344-8226 * FAX: (781) 344-8481 E-Mail: sales@micropowerdirect.com |
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