Switching Regulator XPPower STH05 Series 0.5 Amp 0.5A Switching Regulator xxx Series Regulated Single Outputs from 3.3 to 15VDC Wide Input Range SMD-10 Package Non-Isolated Output Voltage Trim 10% High Efficiency up to 92% Class B Conducted & Radiated Emissions with External Components Short-Circuit Protection Dimensions: No Heatsink Required STH05: Remote On/Off 0.77 x 0.47 x 0.39 (19.5 x 11.8 x 5.0 mm) Tape & Reel Package Available -40C to +100C Operation Full Load to +60C 3 Year Warranty The STH05 is a new series of innovative low cost DC-DC buck regulators. Based on SMD technology and high levels of automation the series offers many features including voltage trimming, remote on/off, continuous short circuit protection, regulation and high efficiency. Models & Ratings Input Current Efficiency at Output Output Maximum (mA) Nominal Input (1) Full Load % voltage Current Capacitive Model Number Voltage (VDC) Load (VDC) (A) Full Load No Load (max.) Vin (min.) Vin (max.) Vin (min.) Vin (max.) 48 V (9-72 V) 3.3 V 232 mA 33 mA 79.0% 70.0% STH0548S3V3 48 V (9-72 V) 5.0 V 323 mA 47 mA 86.0% 74.0% STH0548S05 48 V (9-72 V) 6.5 V 406 mA 58 mA 89.0% 78.0% STH0548S6V5 0.5 A 48 V (14-72 V) 7.2 V 3.0 mA 289 mA 62 mA 100 F 89.0% 81.0% STH0548S7V2 48 V (14-72 V) 9.0 V 357 mA 74 mA 90.0% 84.0% STH0548S09 48 V (17-72 V) 12.0 V 384 mA 97 mA 92.0% 86.0% STH0548S12 48 V (21-72 V) 15.0 V 0.4 A 311 mA 99 mA 92.0% 84.0% STH0548S15 Notes 1. For tape & reel add -TR, e.g. STH0548S05-TR. 500 pcs per reel. Input Characteristic Minimum Typical Maximum Units Notes & Conditions Input Voltage Range 9 48 72 VDC See Models and Ratings Input Surge 75 VDC for 100 ms Input Current 3 mA No load. See Models and Ratings Inhibit Mode Input Current 1 mA When module is in standby mode Pin 10 open circuit, logic high, module is on. Remote On/Off Connect pin 10 to ground, logic low, module is off. www.xppower.com 1Switching Regulator XPPower STH05 Series Output Characteristic Minimum Typical Maximum Units Notes & Conditions Output Voltage 3.3 15 VDC See Models and Ratings table Trim Range 10 % See Application Notes Initial Set Accuracy 2.0 % Minimum Load A No minimum load required Line Regulation 1.0 % Load Regulation 1.0 % To 100% load from 10% Maximum deviation recovery within 250 s at Transient Response 3 % normal Vin for 25% step load change from 25% to 100% load 20 MHz bandwidth, measured with 0.1 F ceramic Ripple & Noise 75 mV pk-pk and 10 F electrolytic capacitors Short Circuit Protection Continuous, with auto recovery Temperature Coefficient 0.02 %/ C General Characteristic Minimum Typical Maximum Units Notes & Conditions Efficiency 92 % See Models and Ratings table Isolation: Input to Output No isolation Switching Frequency 150 550 KHz See application notes Mean Time Between Failure 4.8 MHrs MIL-HDBK-217F, +25 C GB Weight 0.0039 (1.8) lb (g) Moisture Sensitivity Level Level 1 IPC/JEDEC J-STD-020D.1 PCB Pad Material Copper PCB Pad Solder Coating Lead-free HASL Lead-Free Reflow Solder Process 245 C max, 1.5 mm from case, 10 s max. IPC/JEDEC J-STD-020D.1 Environmental Characteristic Minimum Typical Maximum Units Notes & Conditions Operating Temperature -40 +105 C See Derating Curve. Storage Temperature -55 +125 C Humidity 95 %RH Non-condensing Cooling Natural convection (>30 LFM) EMC: Emissions Phenomenon Standard Test Level Notes & Conditions Conducted EN55032 Class B With external components, see application note Radiated EN55032 Class B With external components, see application note EMC: Immunity Phenomenon Standard Test Level Criteria Notes & Conditions ESD EN61000-4-2 8 kV air discharge A Radiated EN61000-4-3 3 V/m A EFT/Burst EN61000-4-4 0.5 kV A See application note Surge EN61000-4-5 1 kV A See application note Conducted EN61000-4-6 3 V rms A Magnetic Fields EN61000-4-8 3 A/m A Safety Approvals Agency Standard Test Level Notes & Conditions CE Meets all applicable directives UKCA Meets all applicable legislation www.xppower.com 2