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BQ55090QZB84 Datasheet(PDF) 4 Page - SynQor Worldwide Headquarters |
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BQ55090QZB84 Datasheet(HTML) 4 Page - SynQor Worldwide Headquarters |
4 / 13 page Product # BQ55090QZB84 Phone 1-888-567-9596 www.synqor.com Doc.# 005-0006286 Rev. C 02/10/16 Page 4 Technical Specification Input: 35-55V Output: 9.6V Current: 84 A Package: Quarter-brick BQ55090QZB84 Electrical Characteristics (continued) Ta = 25 °C, airflow rate = 300 LFM, Vin = 48V dc unless otherwise noted; full operating temperature range is -40 °C to +100 °C base plate temperature with appropriate power derating. Specifications subject to change without notice. Parameter Min. Typ. Max. Units Notes & Conditions DYNAMIC CHARACTERISTICS Output Voltage during Load Current Transient Step Change in Output Current (0.1 A/µs) 200 mV 50% to 75% to 50% Iout max Settling Time 100 µs To within 1% Vout nom Turn-On Transient Turn-On Time (with 5mF output capacitance) 5 10 ms 42 A Resistive Load, Vout=90% nom. Fault Inhibit Time 800 ms Figure E Output Voltage Overshoot 2 % 5 mF load Capacitance; 42 A Resistive Load ISOLATION CHARACTERISTICS Isolation Voltage (dielectric strength) 2000 V See Absolute Maximum Ratings Isolation Resistance 30 MΩ Isolation Capacitance (input to output) 1000 pF See Note 3 Semiconductor Junction Temperature 125 °C Package rated to 150 °C Board Temperature 125 °C UL rated max operating temp 130 °C Transformer Core Temperature 130 °C Base plate temperature 100 °C FEATURE CHARACTERISTICS Switching Frequency 120 140 160 kHz ON/OFF Control (Option N) On-State Voltage -1 0.8 V Off-State Voltage 2.4 18 V ON/OFF Control Application notes Figures A & B Pull-Up Voltage 3.3 V Pull-Up Resistance 100 kΩ Over-Temperature Shutdown OTP Trip Point 140 150 °C Average PCB Temperature Over-Temperature Shutdown Restart Hysteresis 10 °C RELIABILITY CHARACTERISTICS Calculated MTBF (Telcordia) SR-332, Issue 2 5.4 106 Hrs. 80% load, 200LFM, 40 °C Ta Calculated MTBF (MIL-217) MIL-HDBK-217F 3.6 106 Hrs. 80% load, 200LFM, 40 °C Ta Field Demonstrated MTBF 106 Hrs. See our website for details Note 1: Safety product certification tests were carried out using 30A fast blow fuse. Fuse interruption characteristics have to be taken into account while designing input traces. User should ensure that Input trace is capable of withstanding fault currents Note 2: For applications requiring reduced output voltage ripple and noise, consult SynQor applications support (e-mail: support@synqor.com) Note 3: Isolation capacitance can be added external to the module. |
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