Datenblatt-Suchmaschine für elektronische Bauteile |
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UC2625MDWREP Datenblatt(PDF) 4 Page - Texas Instruments |
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UC2625MDWREP Datenblatt(HTML) 4 Page - Texas Instruments |
4 / 24 page ELECTRICAL CHARACTERISTICS UC2625-EP SLUS802 – MARCH 2008 .................................................................................................................................................................................................. www.ti.com Unless otherwise stated, these specifications apply for: TA = 25°C; Pwr VCC = VCC = 12 V; ROSC = 20 kΩ to VREF; COSC = 2 nF; RTACH = 33 kΩ; CTACH = 10 nF; and all outputs unloaded. TA = TJ. PARAMETER TEST CONDITIONS MIN TYP MAX UNIT Overall Supply current 14.5 30.0 mA VCC turn-on threshold -55 °C to 125°C 8.65 8.95 9.55 V VCC turn-off threshold 7.75 8.05 8.55 Overvoltage/Coast OV-COAST inhibit threshold 1.65 1.75 1.85 OV-COAST restart threshold 1.535 1.65 1.75 V -55 °C to 125°C OV-COAST hysteresis 0.05 0.10 0.155 OV-COAST input current –10 –1 10 µA Logic Inputs H1, H2, H3 low threshold 0.8 1.0 1.25 -55 °C to 125°C V H1, H2, H3 high threshold 1.6 1.9 2.0 H1, H2, H3 input current -55 °C to 125°C, to 0 V –400 –250 –120 µA QUAD SEL, dir thresholds -55 °C to 125°C 0.8 1.4 3.0 V QUAD SEL hysteresis 70 mV DIR hysteresis 0.6 V QUAD SEL input current –30 50 150 µA DIR input current –30 –1 30 PWM Amp/Comparator E/A IN(+), E/A IN(–) input current To 2.5 V –5.0 –0.1 5.0 µA PWM IN input current To 2.5 V 0 3 30 Error amp input offset 0 V < VCOMMON-MODE < 3 V –10 10 mV Error amp voltage gain 70 90 dB E/A OUT range 0.25 3.50 V -55 °C to 125°C 0.25 4.55 Pullup current To 0 V -16 –10 –5 µA To 0 V , -55 °C to 125°C –17.5 -5 SSTART Discharge current To 2.5 V 0.1 0.4 3.0 mA Restart threshold 0.1 0.2 0.3 V Current Amp Gain ISENSE1 = 0.3 V, ISENSE2 = 0.5 V to 0.7 V 1.75 1.95 2.15 V/V Level shift ISENSE1 = 0.3 V, ISENSE2 = 0.3 V 2.4 2.5 2.65 Peak current threshold 0.14 0.20 0.26 V ISENSE1 = 0 V, force ISENSE2 Over current threshold 0.26 0.30 0.36 ISENSE1, ISENSE2 input current –850 –320 0 To 0 V µA ISENSE1, ISENSE2 offset current ±2 ±12 Range ISENSE1, ISENSE2 –1 2 V Tachometer/Brake TACH-OUT high level 4.7 5 5.3 -55 °C to 125°C, 10 kΩ to 2.5 V V TACH-OUT low level 0.2 On time 170 220 280 µs On time change with temp -55 °C to 125°C 0.1% RC-BRAKE input current To 0 V –4.0 –1.9 mA Threshold to brake, RC-brake -55 °C to 125°C 0.8 1.0 1.2 V Brake hysteresis, RC-brake 0.09 4 Submit Documentation Feedback Copyright © 2008, Texas Instruments Incorporated Product Folder Link(s) :UC2625-EP |
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