HV9925SG-G Supertex, HV9925SG-G Datasheet
HV9925SG-G
Specifications of HV9925SG-G
Related parts for HV9925SG-G
HV9925SG-G Summary of contents
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... AC line voltage range 264VAC or DC input voltage 400V. The HV9925 is designed with a built in thermal shutdown to prevent excessive power dissipation in the IC. ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 ) of approximately 10.5µs. The LED string OFF ● Tel: 408-222-8888 ● www.supertex.com HV9925 ...
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... Ordering Information Package Option 8-Lead SOIC (w/Heat Slug) Device 4.90x3.90mm body 1.70mm height (max) 1.27mm pitch HV9925 HV9925SG-G -G indicates package is RoHS compliant (‘Green’) Absolute Maximum Ratings Parameter Supply voltage PWMD, R voltage SENSE Supply current Operating ambient temperature range Operating junction temperature range Storage temperature range Power dissipation @ 25° ...
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... Bordeaux Drive, Sunnyvale, CA 94089 3 = 50V, unless otherwise noted.) DRAIN Max Units Conditions 0.525 V --- 400 ns --- 650 ns --- 13 μs --- - V --- 0.8 V --- 300 kΩ 5.0V PWMD - °C --- - °C --- < +85°C. A ● Tel: 408-222-8888 ● www.supertex.com HV9925 ...
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... Temperature T ON 200 180 160 140 120 100 -40 - Junction Temperature, °C Output Capacitance C DRAIN 1000 100 DRAIN Voltage, V Output Characteristics I DRAIN 180 160 125 140 120 100 DRAIN Voltage, V ● Tel: 408-222-8888 ● www.supertex.com HV9925 J 85 110 vs V DRAIN DRAIN 30 40 ...
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... Therefore, the initial output current accuracy might of the controller itself. These parasitic DRAIN )) L is the coil capacitance. L (~10nF) is recommended and lower junction capacitance DRAIN PCB L J • SAT rr ● Tel: 408-222-8888 ● www.supertex.com HV9925 and output PCB , J R (3) is discharged P (4) ...
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... AC line voltage. The coefficients K AC can be determined from the minimum duty ratio 0.7 0.6 0 0.4 ) 0.3 0.2 0.1 0 0.1 0.2 0.3 0.4 0 Universal AC, 85-264VAC String of 10 LED (LW541C by OSRAM V = 4.1V max. each) F ● Tel: 408-222-8888 ● www.supertex.com HV9925 (10) C 0.6 0.7 and ...
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... AC(max) IN ECQ-E4104KF by Panasonic (0.1µF, 400V, IN Universal AC, 85-135VAC String of 12 LED (Power TOPLED OSRAM 2.5V max. each this case · 30V (max.). Use equation 400V, t ≈ 35ns and 33pF 33ns 102ns ● Tel: 408-222-8888 ● www.supertex.com HV9925 by ® in order IN < 8.0pF. J ...
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... Figure 3. 85-135VAC LED Lamp Driver with PWM Dimming Conduction power loss 170mW COND Total power dissipation in HV9925 78mW + 170mW = 248mW TOTAL Step 6. Selecting input capacitor C Output Power = 30V • 50mA = 1.5W Select C ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 3.3µF, 250V. IN ● Tel: 408-222-8888 ● www.supertex.com HV9925 ) ...
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... Drain terminal of the output switching MOSFET and a linear regulator input CH2: V Figure 5. Switch-On Transition – Leading Edge Spike. RSENSE DRAIN Figure 7. PWM Dimming – Falling Edge. CH4: 10×IOUT OUT ● 1235 Bordeaux Drive, Sunnyvale, CA 94089 9 CH1 CH2: V SENSE DRAIN ● Tel: 408-222-8888 ● www.supertex.com HV9925 ...
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... Supertex inc. does not recommend the use of its products in life support applications, and will not knowingly sell them for use in such applications unless it receives an adequate “product liability indemnification insurance agreement.” Supertex inc. does not assume responsibility for use of devices described, and limits its liability to the replacement of the devices determined defective due to workmanship ...