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STRS6704 bảng dữ liệu(PDF) 3 Page - Allegro MicroSystems |
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STRS6704 bảng dữ liệu(HTML) 3 Page - Allegro MicroSystems |
3 / 8 page STR-S6703 AND STR-S6704 OFF-LINE QUASI-RESONANT FLYBACK SWITCHING REGULATORS www.allegromicro.com ELECTRICAL CHARACTERISTICS at T A = +25°C, VIN = 8.5 V, voltage measurements are refer- enced to Common (pin 2) (unless otherwise noted). Limits Characteristic Symbol Test Conditions Min. Typ. Max. Units On-State Voltage V INT Turn-on, increasing V IN 7.6 8.0 8.4 V Under-Voltage Lockout V INQ Turn-off, decreasing V IN 4.6 4.9 5.2 V Over-Voltage Threshold V OVP(th) 9.2 – 10.7 V Output Leakage Current I CEX V CE = 500 V, VBE = -1.5 V –– 100 µA Output Saturation Voltage V CE(sat) STR-S6703, I C = 2 A, IB = 400 mA –– 400 mV STR-S6704, I C = 2 A, IB = 400 mA –– TBD mV V BE(sat) STR-S6703, I C = 2 A, IB = 400 mA –– 1.5 V STR-S6704, I C = 2 A, IB = 400 mA –– TBD V DC Current Gain h FE STR-S6703, V CE = 4 V, IC = 1 A 23 – 46 – STR-S6704, V CE = 4 V, IC = 1 A 20 – 50 – Maximum ON Time t on 33 – 41 µs Minimum OFF Time t off 45 – 55 µs Over-Current Threshold V OCP(th) -0.9 -1.0 -1.1 V Feedback Threshold Volt. V FDBK(th) – 650 – mV Inhibit Threshold Voltage V INH(th) Oscillation stops 0.65 0.75 0.85 V Oscillation synchronized – 1.4 2.0 V Oscillation stops (fault latch set) 3.2 5.1 5.6 V Latch Holding Current I INH V IN reduced from 10.7 V to 4 V –– 500 µA Latch Reset Voltage V Q I IN ≤ 100 µA, VIN reduced from 10.7 V 2.5 3.1 – V Supply Current I IN(ON) Operating 15 – 28 mA I IN(OFF) –– 200 µA Insulation RMS Voltage V WM(RMS) All terminals simultaneous reference 2000 –– V metal plate against backside Thermal Shutdown T J 125 150 – °C Thermal Resistance RθJM Output junction to mounting surface – 2.0 – °C/W NOTES: Negative current is defined as coming out of (sourcing) the specified device terminal. Typical Data is for design information only. |
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Mô tả tương tự - STRS6704 |
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