VER : B_0 update : 2012.01.20 Encapsulated DC-DC Converter SR78/1000 SERIES 1A KEY FEATURES A Type SIP-Package Fits Existing TO-220 Footprint PIN material: Metal Pin Compatible with LMxx Linear Regulators (Nickel Plate Brass) Efficiency up to 96%,Non Isolated, No Need for Heatsinks Wide Input Operating (4.6V~36V) Non Standard Outputs Available as Specials Between 1.5V~15V Short Circuit Protection Over-Current Protection & Over-Temperature protection UL94V-0 Package Material Meet EN55022 Class A Conducted Emissions& Radiated Emissions(Note 3) Meet EN55022 Class BConducted Emissions& Radiated Emissions(Note 4) 3-Years Product Warranty All specifications are typical at normal input voltage, full load and +25°C otherwise noted。 ELECTRICAL SPECIFICATIONS Model No. ( Single Output ) Max Output Wattage (W) Input Voltage Range (V.DC.) Output Voltage (V.DC.) SR78-1.5S/1000 1.5W 4.6-36V 1.5V / 1000mA SR78-1.8S/1000 1.8W 4.6-36V 1.8V / 1000mA SR78-2.5S/1000 2.5W 4.6-36V 2.5V / 1000mA SR78-3.3S/1000 3.3W 4.75-36V 3.3V / 1000mA SR78-5S/1000 5W 6.5-36V 5.0V / 1000mA Efficiency(Min. Vin) (typ.) 76% 80% 85% 88% 93% Efficiency(Max. Vin) (typ.) 66% 71% 76% 80% 85% Model No. ( Single Output ) Max Output Wattage (W) Input Voltage Range (V.DC.) Output Voltage (V.DC.) SR78-6.5S/1000 6.5W 8.0-36V 6.5V / 1000mA SR78-9S/1000 9W 11-36V 9.0V / 1000mA SR78-12S/1000 12W 15-36V 12V / 1000mA SR78-15S/1000 15W 18-34V 15V / 1000mA Efficiency(Min. Vin) (typ.) 93% 95% 95% 96% Efficiency(Max. Vin) (typ.) 87% 90% 92% 93% Model No. SR78-1.5 S/1000 SR78-1.8 S/1000 SR78-2.5 S/1000 SR78-3.3 S/1000 SR78-5S /1000 SR78-6.5 S/1000 SR78-9S /1000 SR78-12 S/1000 SR78-15 S/1000 1.5W 1.8W 2.5W 3.3W 5W 6.5W 9W 12W 15W 4.6-36V 4.6-36V 4.6-36V 4.75-36V 6.5-36V 8.0-36V 11-36V 15-36V 18-34V 9.0V 12V 15V 100mV 120mV ( Single Output ) Max Output Wattage (W) Input Voltage Range (V.DC.)(Note 1) Input Output Protection Environment Physical EMC Nominal input 9 VDC 12 VDC Input filter C filter Voltage (V.DC.) Voltage Accuracy (at Full Load) Current (mA) (max.) Quiescent Current (mA) (max.) Minimum Load (Note 2) 6.5V 1.5V 1.8V 2.5V 3.3V 5.0V ±3% 1000 1~2 (Vin=min. to max. at 0% Load) 0% ±1% (at full load) ±0.8% (Nominal input) 50mV 75mV 500KHz 470uF 2000 Continuous, auto-recovery +160°C (Internal IC Junction) -40°C…+85°C (with derating) -55°C…+125°C +100°C max. 70°C / W 95% RH 5,358,000 h @ 25°C (MIL-HDBK-217F) 0.45 x 0.40 x 0.3 Inches ( 11.5 x 10.2 x 7.55 mm ) Tolerance ±0.25 mm Non-conductive black plastic 1.9 g EN 55022 Class A(Note3) EN 55022 Class A(Note3) EN 55022 Class B(Note4) EN 55022 Class B(Note4) Line Regulation (LL-28V) (typ.) (Note 1) Load Regulation (10-100%) (typ.) Ripple&Noise (Nominal Input) (20MHz) Switching Frequency (typ.) Capacitor Load (max) Current Limit (mA) (max.) Short Circuit Protection Thermal Shout Down (typ.) Operating Temperature Storage Temperature Operating Case Temperature Case Thermal Impendance (max.) Humidity MTBF Dimension (L x W x H) Case Material Weight Conducted Emissions Radiated Emissions Conducted Emissions Radiated Emissions http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 24 VDC -1- VER : B_0 update : 2012.01.20 Encapsulated DC-DC Converter SR78/1000 SERIES 1A Note 1: a. Input capacitor needed only if Vin>28VDC b. Line Regulation (LL-36V) (typ.) < SR78-1.5S、SR78-1.8S<±2.5% (at Full Load) SR78-2.5S、SR78-3.3S<±2% (at Full Load) Note 2: a. The input voltage minus the output voltage should be greater than 3 VDC, if less, a 3% minimum load is required for proper regulation. b. For SR78-1.5S or SR78-1.8S models, Inputs greater than 28VDC require 3% minimum load for proper regulation. Note 3: Note 4: MECHANICAL DIMENSION DERATING ( Top View ) SR78-1.5S、5S、1.8 S、2.5 S、3.3S http://www.archcorp.com.tw TEL: +886-2-26989508 FAX: +886-2-26981319 PIN# Single 1 +VIN 2 GND 3 +VOUT SR78-6.5S、9S、12 S、15S -2-