SI9137LG-T1-E3 Vishay, SI9137LG-T1-E3 Datasheet
SI9137LG-T1-E3
Specifications of SI9137LG-T1-E3
Related parts for SI9137LG-T1-E3
SI9137LG-T1-E3 Summary of contents
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... SSOP package and specified to operate over the extended commercial (0_C to 90_C) temperature range. 5-V 3.3-V Linear Voltage Regulator Reference 3.3-V 5-V SMPS SMPS 5- to 12-V SMPS Programmable Power-Up Power_Good Sequence Si9137 Vishay Siliconix V REF (+3 V FLYBACK +5- to +12-V/500 mA Adjustable RESET (Power_Good) www.vishay.com 1 ...
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... Si9137 Vishay Siliconix ABSOLUTE MAXIMUM RATINGS V to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND V to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L BST , BST , BSTFY to GND . . . . . . . . . . . . . . . . . . . . . . . . . . Short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BST ; LX to BST ; LXFY to BSTFY . . . . . . . . . . . . . . . Inputs/Outputs to GND ( CSP, CSN RUN/STOP, SEQ, RESET . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...
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... Below Undervoltage Lockout Thresholds With Respect to 2nd SMPS Lockout Time Done FBFY = 3.3 V RUN/STOP, SEQ DL3, DH3, DL5, DH5 Forced High or Low DHFY, DLFY Forced High or Low RESET SINK RESET = 5 V Si9137 Vishay Siliconix Limits Min Typ Max Unit 3.24 3.30 3. ...
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... ORDERING INFORMATION Lead (Pb)-Free 3 Part Number Part Number Si9137LG Si9137LG-T1 Si9137LG-T1—E3 Evaluation Board 5 Si9137DB Description SEQ = GND: 5-V then 3.3-V then adjustable 5- to 12-V output SEQ = V : 3.3-V then 5-V then adjustable 5- to 12-V output L SEQ = REF: 3.3-V then 5-V then adjustable 5- to 12-V output, high impedance error detect mode. ...
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... Current (A) Document Number: 70874 S-40808—Rev. C, 26-Apr-04 Description 100 0.001 Efficiency vs 12-V Adjustable Output Current (Output Set Frequency = 300 kHz 3 Load 60 55 0.001 0.01 0.1 Current (A) Si9137 Vishay Siliconix Efficiency vs. 5.0-V Output Current Frequency = 300 kHz 3 Load 0.01 0.1 1 Current ( www.vishay.com 10 5 ...
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... Si9137 Vishay Siliconix TYPICAL WAVEFORMS PWM Loading 5-V Converter ( 20.0 ms/div PSM to PWM 5-V Converter ( 100 ms/div PSM Operation 5-V Converter ( 10.0 ms/div www.vishay.com 6 PWM Unloading 5-V Converter V OUT (100 mV/div) Load (1 A/div) PWM to PSM 5-V Converter V OUT (100 mV/div) Load ...
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... PWM Unloading 3-V Converter V OUT (100 mV/div) Load (1 A/div) PWM to PSM 3-V Converter V OUT (100 mV/div) Load (1 A/div) 250-mA Transient Adjustable Converter (Output Set 200 ms/div Si9137 Vishay Siliconix ( OUT (100 mV/div) Load (1 A/div) 20.0 ms/div ( OUT (100 mV/div) Load (1 A/div) 50.0 ms/div ...
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... Si9137 Vishay Siliconix STANDARD APPLICATION CIRCUIT Si4416DY 0. +3.3 V OUT C6 330 PGND* GND* +3 C11 1 mF *PGND and GND planes should be connected to a single point ground. www.vishay.com 8 D1A CMPD2836 D1B 0 0.1 mF BST BST Si4812DY Si4812DY CMPD2836 3 C8 BSTFY 0.1 mF DHFY V L LXFY D2, BYS10-35 ...
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... OSC f (SS) max DH DL Document Number: 70874 S-40808—Rev. C, 26-Apr- 2 FIGURE 3. Converter is Enabled After V IN Vishay Siliconix The converter is enabled V is applied IN LDO is activated after V IN applied REF circuit is activated after V becomes available After V goes above 2.4 V, REF the converter is turned on ...
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... Si9137 Vishay Siliconix TIMING DIAGRAMS RESET V REF OSC EN (Sysmon EN) OSC (SS) max www.vishay.com FIGURE 4. Power Off Sequence ) L 3.4 V Document Number: 70874 S-40808—Rev. C, 26-Apr-04 ...
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... Document Number: 70874 S-40808—Rev. C, 26-Apr- SEQ RUN/STOP Logic Control SEQ RUN/STOP PWM Comparator − Logic Control + Pulse Skipping Control − + Current Limit t Vishay Siliconix FB 5 CS_ FB_ R X Internal voltage divider is only used on 5-V output BST_ DH DH LX_ BBM FBFY ...
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... Si9137 Vishay Siliconix DETAILED FUNCTIONAL BLOCK DIAGRAMS 5-V Linear V IN Regulator V L 3.3-V Reference 2.4 V RUN/STOP SEQ DESCRIPTION OF OPERATION Shutdown Mode The logic threshold for the RUN/STOP pin is 1.6 V. voltage must be 0 less for logic low and 2 higher for logic high. ...
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... The switching losses are reduced by skipping pulses preserving the efficiency during light load. Si9137 Vishay Siliconix V REF www.vishay.com 13 ...
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... Si9137 Vishay Siliconix DESCRIPTION OF OPERATION (CONT’D) Current Limit: Flyback Converter Similar to the buck converter; when the voltage across pin CSP and pin CSN exceeds 410-mV typical, the two MOSFETs will be turned off regardless of the input and output conditions. Grounding: There are two separate grounds on the Si9137, analog signal ground (GND) and power ground (PGND) ...
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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’ ...