SI9136 Vishay, SI9136 Datasheet
SI9136
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SI9136 Summary of contents
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... Only Three Inductors Required No Transformer LITTLE FOOT Optimized Output Drivers Internal Soft-Start Minimal External Control Components 28-Pin SSOP Package conversion efficiencies approaching 95%. The Si9136 is available in a 28-pin SSOP package and specified to operate over the extended commercial ( temperature range. 5-V 3.3-V Linear ...
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... Si9136 Vishay Siliconix V to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND V to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L BST , BST , BSTFY to GND . . . . . . . . . . . . . . . . . . . . . . . . . . Short to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . BST ; LX to BST ; LXFY to BST . . . . . . . . . . . . . . . . . Inputs/Outputs to GND ( CSP, CSN ...
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... OCS DL3, DH3, DL5, DH5 Forced High or Low DHFY, DLFY Forced High or Low Part Number Temperature Range Si9136LG Evaluation Board Temperature Range Si9136DB Si9136 Vishay Siliconix Limits Min Typ Max Unit 3.24 3.30 3. ...
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... Si9136 Vishay Siliconix Pin Number Symbol 1 CS Current sense input for 3.3-V buck FBFY Feedback for flyback. 3 BSTFY Boost capacitor connection for flyback converter. 4 DHFY Gate-drive output for flyback high-side MOSFET. 5 LXFY Inductor connection for flyback converter. 6 DLFY Gate-drive output for flyback low-side MOSFET. ...
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... Efficiency vs. 5.0-V Output Current 100 Frequency = 200 kHz 0.001 Efficiency vs. 12-V Output Current Frequency = 200 kHz On, 3.3 V Off 0.001 0.01 0.1 Current (A) Si9136 Vishay Siliconix = 3.3 V Off Off 0.01 0 Current (A) 1 www.vishay.com FaxBack 408-970-5600 5 ...
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... Si9136 Vishay Siliconix 5-V Converter ( PWM Loading 5-V Converter ( PSM Õ PWM 5-V Converter ( PSM Operation www.vishay.com FaxBack 408-970-5600 6 5-V Converter (V Ch1: V OUT Ch2: Load Current (1 A/div) PWM Unloading 5-V Converter (V Ch1: V OUT Ch2: Load Current (1 A/div) PWM Õ PSM ...
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... Ch2: Load Current (1 A/div) PWM, Unloading 3-V Converter (V Ch1: V OUT Ch2: Load Current (1 A/div) PWM Õ PSM Start-Up Ch1: V OUT Ch4: Load Current (100 mA/div) Si9136 Vishay Siliconix = Ch1: V OUT Ch2: Load Current (1 A/div Ch1: V OUT Ch2: Load Current (1 A/div) 3.3-V Output ...
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... Si9136 Vishay Siliconix 0 Si4416DY cs2 10 H 0.02 +3 Si4812DY C6 330 F +3 C11 1 F www.vishay.com FaxBack 408-970-5600 8 D1 CMPD2836 CMPD2836 0.1 F BST BST Si4416DY DH5 L1 DH3 Si4812DY ...
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... OSC f (SS) max DH DL Document Number: 70818 S-00583—Rev. C, 03-Apr- Applied IN 2 FIGURE 3. Converter is Enabled After V is Applied IN Si9136 Vishay Siliconix The converter is enabled V is applied IN LDO is activated after V is applied IN REF circuit is activated after V becomes L available After V goes above REF 2 ...
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... Si9136 Vishay Siliconix RESET V REF OSC EN (Sysmon EN) OSC (SS) max www.vishay.com FaxBack 408-970-5600 FIGURE 4. Power Off Sequence 3.4 V Document Number: 70818 S-00583—Rev. C, 03-Apr-00 ...
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... LX_ BBM FIGURE 5. Buck Block Diagram ON/OFF PWM Comparator – Logic Control + Pulse Skipping Control – + Current Limit FIGURE 6. PWM Flyback Block Diagram Si9136 Vishay Siliconix FB 5 CS_ R FB_ X Internal voltage divider is only used on 5-V output FBFY R1 R2 BSTY ...
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... Si9136 converts a 5.5-V to 30-V input voltage to five different output voltages; two buck (step-down) high current, PWM, switch-mode supplies of 3.3-V and 5-V, one “flyback” PWM switch-mode supply of 12-V, one precision 3 ...
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... CS3(5) and pin FB3(5) exceeds approximately 120 mV, the high-side MOSFET would be turned off instantaneously regardless of the input, or output condition. The Si9136 features clock cycle by clock cycle current limiting capability. Flyback Converter Operation: Designed mainly for PCMCIA or EEPROM programming, the ...
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... High-side and low-side gate drivers are turned off when ON/OFF pins are logic-low. enables the DH and DL pins. Stability: Buck Converters: In order to simplify designs, the Si9136 requires no specified external components except load capacitors for stability control. Meanwhile, it achieves excellent regulation and www.vishay.com FaxBack 408-970-5600 14 efficiency ...
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... Information contained herein is intended to provide a product description only. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted by this document. Except as provided in Vishay's terms and conditions of sale for such products, Vishay assumes no liability whatsoever, and disclaims any express or implied warranty, relating to sale and/or use of Vishay products including liability or warranties relating to fitness for a particular purpose, merchantability, or infringement of any patent, copyright, or other intellectual property right ...