SI9145BQ-T1 Vishay, SI9145BQ-T1 Datasheet
SI9145BQ-T1
Specifications of SI9145BQ-T1
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SI9145BQ-T1 Summary of contents
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... The Si9145 is available in both standard and lead (Pb)-free 16-pin SOIC and TSSOP packages and is specified over the industrial temperature range (−25_C to 85_C). 1.5-V Reference Generator Temp Sense + Logic − Control + − Oscillator Si9145 Vishay Siliconix Frequency can be externally and C . OSC OSC V REF S OTS Driver OUTPUT ...
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... Si9145 Vishay Siliconix ABSOLUTE MAXIMUM RATINGS Voltages Referenced to GND GND Linear Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Logic Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Continuous Output Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . RECOMMENDED OPERATING RANGE Voltages Referenced to GND OSC OSC SPECIFICATIONS Parameter Symbol Reference Output Voltage Output Voltage V V REF REF ...
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... ENABLE = MODE SELECT = 2 OUT − OUT MHz 6. OSC OSC MHz 6. OSC OSC ENABLE = Low Vishay Siliconix Limits Suffix − 85_C b Min Typ Max −1 − −2.0 −1.0 0.4 0.8 60 0.85 1.0 1.15 1.2 200 −100 100 2.55 2.60 0.06 0.15 − ...
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... Si9145 Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) V vs. Supply Voltage REF 1.515 V with 10 mA Load REF 1.510 1.505 1.500 1.495 1.490 1.485 − Supply Voltage ( vs. Load Current REF 1.515 1.510 1.505 2.7, 3.0, 3.6 V 1.500 7.0 V 1.495 1.490 1.485 − Sourcing Current (mA) ...
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... V 0.9 0.8 1.0 2.5 100 80 60 25_C 1.0 10.00 1.00 0.10 0. Si9145 Vishay Siliconix Supply Current vs. Supply Voltage and Temperature MHz T = 85_C A 25_C −25_C 3.5 4.5 5.5 6.5 V − Supply Voltage (V) DD Duty Cycle vs. D /SS Voltage MAX 1.1 1.2 1 ...
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... Si9145 Vishay Siliconix TYPICAL CHARACTERISTICS (25_C UNLESS NOTED) Output Rise Time vs. Supply Voltage and Load 2,200 900 pF 20 100 − Supply Voltage (V) DD Enable Delay to Output 50 40 Mode Select = High 30 Mode Select = Low − Supply Voltage ( vs. Bypass Capacitor REF 1.515 ...
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... Figure 2 Document Number: 70021 S-40710—Rev. K, 19-Apr-04 Normal (Duty Cycle Limit) 1 OFF Set for 50% Max. Si9145 Timing Diagram (MODE SELECT = High) Normal (Duty Cycle Limit) 1 Si9145 Timing Diagram (MODE SELECT = Low) . Si9145 Vishay Siliconix Standby Standby www.vishay.com 7 ...
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... R OSC ORDERING INFORMATION−TSSOP-16 Part Number Si9145BQ-T1 −25_ to 85_C 25_ to 85_C Si9145BQ-T1—E3 voltage at D duty cycle is proportionally limited to this voltage. The addition of external components can implement a soft start function. Pin 4: COMP This pin is the output of the error amplifier. A compensation network is connected from this pin to the FB pin to stabilize the system ...
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... This CMOS push-pull output pin drives the external MOSFET and is capable of sinking 150 mA or sourcing 130 mA with V equal to 2.7 V. Pin 16 The positive terminal of the power supply which powers the CMOS output driver. A bypass capacitor is required. Si9145 Vishay Siliconix SET Once the UVLO voltage SET supply www ...
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... Si9145 Vishay Siliconix APPLICATIONS 2.7 V − Figure 2.7 V − Figure 2.7 V − Figure 5. www.vishay.com Si9145 Non-Isolated Step Up Boost Converter for Si9145 Non-Isolated Step Down Buck Converter for V Q1 Si9145 Q2 Non-Isolated Synchronous Buck Converter for V V OUT > V OUT IN V OUT < V OUT ...
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... Vishay disclaims any and all liability arising out of the use or application of any product described herein or of any information provided herein to the maximum extent permitted by law. The product specifications do not expand or otherwise modify Vishay’ ...