USQ30

® ® INNOVATION and EXCELLENCE Single Output OBSOLETE PRODUCT Contact Factory for Replacement Model USQ 30A Models High-Current, Quarter-Brick 30 Amp, DC/DC Converters Features ! ! 30 Amperes Output Current Low-profile, industry standard quarter-brick package and pinout; 1.45" x 2.28" x 0.40" 24V and 48V nominal inputs Output Voltages: 1.2/1.5/1.8/2.5/3.3V Outstanding efficiency: 88% Full synchronous-rectifier topology Low noise, 50mVp-p Fast transient response (200µsec to 1%) Impressive ±0.05% line/load regulation Fully isolated, 1500Vdc guaranteed Fully I/O protected; Thermal shutdown Remote On/Off control Output trim and sense functions UL1950/EN60950 approvals, HALT tested, EMI compliant ! ! ! ! ! ! ! ! ! ! ! ! DATEL’s new USQ 30 Ampere family serves the middle-ground in high-current output Quarter-Bricks. The USQ 30 Amp models are pin and footprint compatible to DATEL’s 40A USQ models, the USQ 20A Series and also the lower-current ULQ Quarter-Bricks, with their 10 and 15 Amp offerings. A fully synchronous forward topology design, low Rds On FETs, and planar magnetics enable the USQ 30A Series to achieve efficiencies to 88%. The extremely high efficiency enables these units to reliably deliver up to 100 Watts of output power from a low-height profile, industry-standard “quarter-brick” format package (1.45” x 2.28" x 0.40") with aluminum baseplate and open-to-airflow shell. Additional features include low output noise of 50 millivolts, ±0.05% line/load regulation, and quick transient response (200µsec to ±1%). Device functionality includes remote on/off control (positive or negative polarity), and output trim (+10%, –20%) and sense function. In order to safeguard both the power converter and its load, USQ 30A models, offers the most extensive I/O protection including input undervoltage lockout, and reverse-polarity protection, as well as output overvoltage protection, current limiting, short-circuit protection (“hiccup” technique), and thermal shutdown (and optional input overvoltage lockout). The USQ 30A models are designed to meet the BASIC insulation requirements of UL1950 and EN60950. The “D48” models carry the CE mark. Safety certifications, as well as EMC compliance testing and qualification testing (including HALT) have been successfully completed. Contact DATEL for the latest information. +SENSE (7) +VOUT (8) +VIN (3) SWITCH CONTROL –VOUT (4) –VIN (1) –SENSE (5) PWM CONTROLLER OPTO ISOLATION REFERENCE & ERROR AMP VOUT TRIM (6) INPUT UNDERVOLTAGE, INPUT OVERVOLTAGE, AND OUTPUT OVERVOLTAGE COMPARATORS REMOTE ON/OFF CONTROL* (2) * Can be ordered with positive (standard) or negative (optional) polarity. Figure 1. Simplified Schematic DATEL, Inc., Mansfield, MA 02048 (USA) · Tel: (508)339-3000, (800)233-2765 Fax: (508)339-6356 · Email: sales@datel.com · Internet: www.datel.com U SQ Series 30A, SINGLE OUTPUT DC/DC CONVERTERS ➀ Performance Specifications and Ordering Guide Output Model USQ-1.2/30-D24 USQ-1.2/30-D48 USQ-1.5/30-D24 USQ-1.5/30-D48 USQ-1.8/30-D24 USQ-1.8/30-D48 USQ-2.5/30-D24 USQ-2.5/30-D48 USQ-3.3/30-D24 USQ-3.3/30-D48 Input Regulation (Max.) Line ±0.05% ±0.05% ±0.05% ±0.05% VOUT ➁ (Volts) 1.2 1.2 1.5 1.5 1.8 1.8 2.5 2.5 3.3 3.3 IOUT (Amps) 30 30 30 30 R/N (mVp-p) ➂ Typ. 60 60 65 65 Max. 80 80 95 95 Load ➃ ±0.05% ±0.05% ±0.05% ±0.05% VIN Nom. (Volts) ➄ 24 48 24 48 Range (Volts) ➄ 18-36 36-75 18-36 36-75 18-36 IIN ➅ (Amps) 1.85/2.62 0.93/1.01 2.21/2.94 1.12/1.51 2.65/3.53 1.32/1.79 3.59/4.68 1.76/2.38 4.69/6.18 2.34/3.14 Efficiency 81% 81% 85% 85% 85% 85% 87% 89% 88% 88% Package (Case, Pinout) C33, P32 C33, P32 C33, P32 C33, P32 C33, P32 C33, P32 C33, P32 C33, P32 C33, P32 C33, P32 OBSOLETE PRODUCT 30 30 30 30 30 90 65 110 145 145 105 80 175 160 200 ±0.05% ±0.05% 24 ±0.05% ±0.05% ±0.05% ±0.05% ±0.05% ±0.05% ±0.05% ±0.05% 24 48 24 48 30 90 105 36-75 Contact Factory for±0.05% ±0.05% Replacement 48 Model 18-36 36-75 18-36 36-75 ➀ Typical at TA = +25°C under nominal line voltage and full-load conditions, unless otherwise noted. All models are tested and specified with external output capacitors (1µF ceramic in parallel with 10µF tantalum). ➁ Contact DATEL for fixed output voltages (such as 2V) other than those listed. ➂ Ripple/Noise (R/N) is tested/specified over a 20MHz bandwidth. Output noise may be further reduced with the installation of additional external output filtering. See I/O Filtering, Input Ripple Current, and Output Noise for details. ➃ The load-regulation specs apply over the 0-100% range. All models in the USQ Series have no minimum-load requirements and will regulate within spec under no-load conditions (with perhaps a slight increase in ripple/noise). Additionally, all models are unconditionally stable, including start-up and short-circuit-shutdown situations, with capacitive loads up to 25,000µF. ➄ Contact DATEL for VIN ranges other than those listed. ➅ For each model, the two listed dc currents are for the following conditions: full load/nominal input voltage and full load/low line voltage (36V). The latter is usually the worst-case condition for input current. PA R T N U M B E R S T R U C T U R E U SQ - 3.3 / 30 - D48 N D Output Configuration: U = Unipolar/Single Quarter-Brick Package Nominal Output Voltage: 1.2, 1.5, 1.8, 2.5 or 3.3 Volts Negative Trim: Contact DATEL for "D" suffixed negative trim devices. See Technical Notes. Remote On/Off Control Polarity: Add "P" for positive polarity (pin 2 open = converter on) Add "N" for negative polarity (pin 2 open = converter off) Input Voltage Range: D48 = 36-75 Volts (48V nominal) D24 = 18-36 Volts (24V nominal) Maximum Rated Output Current in Amps Note: Not all part number combinations are available. Contact DATEL. M E C H A N I C A L S P E C I F I C AT I O N S Case C33 2.28 (57.91) A 2.28 (57.91) BAR CODE AND SERIAL NUMBER APPLIED TO THIS SURFACE. MODEL NUMBER ON OPPOSITE SURFACE. 1.860 (47.24) 0.40 MAX. (10.16) Optional Heat Sink 1.03 1.45 (26.16) (36.83) STANDOFF 0.015 (0.38) PINS 1-3, 5-7: 0.040 ±0.001 (1.016 ±0.025) PINS 4, 8: 0.062 ±0.001 (1.575 ±0.025) 0.15 MIN (3.81) OPEN-FRAME, CAST ALUMINUM CASE A 2.00 (50.80) B B 0.140 DIA. (3.56) (4 PLACES) 1.860 (47.24) A B 1.03 (26.16) 1.45 (36.83) 1 0.600 (15.24) 4 (4) 0.170 DIA. #M3 THD. THRU WITH 0.090 THREAD RELIEF 5 6 7 8 2 3 0.300 (7.62) BOTTOM VIEW DIMENSIONS ARE IN INCHES (MM) 0.600 (15.24) 4 EQ. SP. @ 0.150 (3.81) I/O Connections Pin Function P32 1 –Input 2 Remote On/Off* 3 +Input 4 –Output 5 –Sense 6 Output Trim 7 +Sense 8 +Output * MATERIAL: BLACK ANODIZED ALUMINUM B 0.10 (2.54) * USQ SERIES HEATSINKS ARE AVAILABLE IN 3 HEIGHTS: 0.25 (6.35), 0.50 (12.70) AND 1.00 (25.4) Heat Sink Ordering Information Heat Sink Height 0.25 inches (6.35mm) 0.50 inches (12.70mm) 1.00 inches (25.40mm) DATEL Part Number HS-QB25 HS-QB50 HS-QB100 ➀ DATEL conforms to industry-standard quarter-brick pinout (see Figure 16). ➁ A "baseplate only" model with a maximum height of 0.375" (9.53mm) is available with the addition of an "H" suffix. Contact DATEL. * The Remote On/Off can be provided with either positive (standard) or negative (optional) polarity. All heat sinks include 4 mounting screws and a thermal pad. If using heatsinks other than DATEL's HS-QB series, the screw length should accomodate the 0.090 thread relief. 2 30A, SINGLE OUTPUT DC/DC CONVERTERS U SQ Models Performance/Functional Specifications Typical @ TA = +25°C under nominal line voltage and full-load conditions, unless noted. (1) Output (continued) Overvoltage 1.2VOUT 1.5VOUT 1.8VOUT 2.5VOUT 3.3VOUT Protection: (4) Magnetic feedback 1.7 Volts 2.2 Volts 2.7 Volts 3.8 Volts 4.9 Volts Input Input Voltage Range: D24 Models D48 Models Overvoltage Shutdown Start-Up Threshold: (4) D24 Models D48 Models Undervoltage Shutdown: (4) D24 Models D48 Models Input Current: Normal Operating Conditions Inrush Transient Standby Mode: Off, UV, Thermal Shutdown Input Reflected Ripple Current (5) Internal Input Filter Type D24 Models D48 Models Reverse-Polarity Protection (3) (6) 18-36 Volts (24V nominal) 36-75 Volts (48V nominal) None (3) 15.5-18 Volts (16.5V typical) 28.5-36 Volts (30V typical) 14-16 Volts (15.3V typical) 27-29.5 Volts (28.3V typical) See Ordering Guide 0.05A2 sec maximum 4mA 6mAp-p Pi (0.01µF - 1.5µH - 3.3µF) Pi (0.01µF - 4.7µH - 3.3µF) 1 minute duration, 5A maximum On = open, open collector or 2.5-5V applied. IIN = 150µA max. Off = pulled low to 0-0.8V IIN = 800µA max. On = pulled low to 0-0.8V IIN = 800µA max. Off = open, open collector or 2.5-5V applied. IIN = 150µA max. Dynamic Characteristics Dynamic Load Response (11) Start-Up Time: (4) (12) VIN to VOUT On/Off to VOUT Switching Frequency Calculated MTBF: (13) USQ-1.2/30-D24, -D48 USQ-1.5/30-D24, -D48 USQ-1.8/30-D24, -D48 USQ-2.5/30-D24, -D48 USQ-3.3/30-D24, -D48 Operating Temperature (Ambient): Without Derating With Derating Baseplate Temperature: Maximum Allowable Thermal Shutdown Dimensions Case Material Baseplate Material Shielding Pin Material Weight: (4) (14) (4) (14) See Dynamic Load Response under Technical Notes 5msec typical, 8msec maximum 5msec typical, 8msec maximum (11) Environmental >2.5 million hours >2.5 million hours 2.8 million hours >2.5 million hours >2.5 million hours Model and air flow dependent To +110°C (baseplate) +110°C +115-122°C, +118°C typical. Remote On/Off Control (Pin 2): Positive Logic ("P" Suffix Models) Negative Logic ("N" Suffix Models) Physical 1.45" x 2.28" x 0.40" (36.8 x 57.9 x 10.2mm) Cast aluminum Aluminum Neither the aluminum case nor baseplate are connected to a package pin Brass, solder coated 1.52 ounces (43 grams) Output Minimum Loading Maximum Capacitive Loading (7) VOUT Accuracy (Full Load): Initial Temperature Coefficient Extreme (8) VOUT Trim Range (9) Remote Sense Compensation (4) Ripple/Noise (20MHz BW) Line/Load Regulation Efficiency Isolation Voltage: Input-to-Output Input-to-Case Output-to-Case Isolation Resistance Isolation Capacitance Current Limit Inception (10) USQ-1.2/30-D24, -D48 USQ-1.5/30-D24, -D48 USQ-1.8/30-D24, -D48 USQ-2.5/30-D24, -D48 USQ-3.3/30-D24, -D48 Short Circuit: (4) Current Duration No load 25,000µF ±1% maximum ±0.02% per °C ±3% +10%, –20% +10% See Ordering Guide See Ordering Guide See Ordering Guide 1500Vdc minimum 1500Vdc minimum 1500Vdc minimum 100MΩ 650pF 33-40 Amps (37A typical) 34-39 Amps (36.5A typical) 32-37 Amps (35A typical) 33-38 Amps (35.5A typical) 33-37 Amps (35A typical) Hiccup Continuous (7) (8) (9) (2) (3) (4) (5) (1) Primary-to-Secondary Insulation Level Basic All models are tested and specified with external output capacitors (1µF ceramic in parallel with 10µF tantalum), unless otherwise noted. These converters have no minimum-load require ments and will effectively regulate under no-load conditions. Contact DATEL for input voltage ranges other than those listed. See Absolute Maximum Ratings for allowable input voltages. See Technical Notes/Performance Curves for additional explanations and details. Input Ripple Current is tested/specified over a 5-20MHz bandwidth with an external 33µF input capacitor and a simulated source impedance of 220µF and 12µH. See I/O Filtering, Input Ripple Current and Output Noise for details. The 24V input models can benefit by increasing the 33µF external input capacitance to 100µF, if the application has a high source impedance. The On/Off Control is designed to be driven with open-collector (or equivalent) logic or the application of appropriate voltages referenced to –Input (pin 1). See Remote On/Off Control for more details. USQ Series DC/DC converters are unconditionally stable, including start-up and short-circuitshutdown situations, with capacitive loads up to 25,000µF. Extreme Accuracy refers to the accuracy of either trimmed or untrimmed output voltages over all normal operating ranges and combinations of input voltage, output load and temperature. See Output Trimming for detailed trim equations. The Current-Limit Inception point is the output current level at which the USQ’s power-limiting circuitry drops the output voltage 10% from its initial value. See Output Current Limiting and Short-Circuit Protection for more details. See Dynamic Load Response under Technical Notes for detailed results including switching frequencies. DATEL has performed extensive evaluations of Dynamic Load Response. In addi tion to the 10µF || 1µF external capacitors, specifications are also given for 220µF || 1µF external output capacitors for quick comparison purposes. For the Start-Up Time specifications, output settling is defined by the output voltage having reached ±1% of its final value. MTBF’s are calculated using Telcordia SR-332 (Bellcore) Method 1 Case 3, ground fixed conditions, +40°C case temperature, and full-load conditions. Contact DATEL for demonstrated life-test data. All models are fully operational and meet published specifications, including "cold start," at –40°C. (6) (10) (11) (12) (13) (14) 3 U SQ Series 30A, SINGLE OUTPUT DC/DC CONVERTERS Absolute Maximum Ratings Input Voltage: Continuous: Transient (100msec) Input Reverse-Polarity Protection Output Current On/Off Control (Pin 2) Max. Voltages Referenced to –Input (pin 1) Storage Temperature Lead Temperature (Soldering, 10 sec.) 24V models 39 Volts 50 Volts 48V models 81 Volts 100 Volts impedance as highly inductive source impedance can affect system stability. In Figure 2, CBUS and LBUS simulate a typical dc voltage bus. Your specific system configuration may necessitate additional considerations. In critical applications, output ripple/noise (also referred to as periodic and random deviations or PARD) can be reduced below specified limits using filtering techniques, the simplest of which is the installation of additional external output capacitors. Output capacitors function as true filter elements and should be selected for bulk capacitance, low ESR, and appropriate frequency response. In Figure 3, the two copper strips simulate real-world pcb impedances between the power supply and its load. Scope measurements should be made using BNC connectors or the probe ground should be less than ½ inch and soldered directly to the fixture. All external capacitors should have appropriate voltage ratings and be located as close to the converter as possible. Temperature variations for all relevant parameters should be taken into consideration. OS-CONTM organic semiconductor capacitors (www.sanyo.com) can be especially effective for further reduction of ripple/noise. The most effective combination of external I/O capacitors will be a function of line voltage and source impedance, as well as particular load and layout conditions. Our Applications Engineers can recommend potential solutions and discuss the possibility of our modifying a given device’s internal filtering to meet your specific requirements. Contact our Applications Engineering Group for additional details. Input Current must be