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LM3200 Datasheet(PDF) 5 Page - Texas Instruments |
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LM3200 Datasheet(HTML) 5 Page - Texas Instruments |
5 / 24 page LM3200 www.ti.com SNVS319C – NOVEMBER 2004 – REVISED APRIL 2013 SYSTEM CHARACTERISTICS The following spec table entries are specified by design if the component values in the typical application circuit are used. These parameters are not specified by production testing. Symbol Parameter Conditions Min Typ Max Units TRESPONSE Time for VOUT to Rise VIN = 4.2V, COUT = 4.7 µF, from 0.8V to 3.4V in RLOAD = 15Ω 25 µs PWM Mode L = 2.2 uH CCON VCON Input Capacitance VCON = 1V, 15 pF Test frequency = 100 kHz TON_BYP Bypass FET Turn On VIN = 3.6V, VCON = 0.267V, Time In Bypass Mode COUT = 4.7 µF, RLOAD = 15Ω 30 µs BYP = Low to High TBYP Auto Bypass Detect (1) 10 15 20 µs Delay Time (1) VIN is compared to the programmed output voltage (VOUT). When VIN–VOUT falls below VBYPASS− for longer than TBYP the Bypass FET turns on and the switching FETs turn off. This is called the Bypass mode. Bypass mode is exited when VIN–VOUT exceeds VBYPASS + for longer than TBYP, and PWM mode returns. The hysterisis for the bypass detection threshold VBYPASS + – V BYPASS− will always be positive and will be approximately 200 mV(typ.). Copyright © 2004–2013, Texas Instruments Incorporated Submit Documentation Feedback 5 Product Folder Links: LM3200 |
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