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TPS92638-Q1 Datasheet(PDF) 11 Page - Texas Instruments |
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TPS92638-Q1 Datasheet(HTML) 11 Page - Texas Instruments |
11 / 39 page TPS92638-Q1 www.ti.com SLVSCK5B – SEPTEMBER 2014 – REVISED MARCH 2015 Typical Characteristics (continued) CH1: V(SUPPLY) CH2: V(FAULT) CH3: V(REF) CH1: V(SUPPLY) CH2: V(FAULT) CH3: V(REF) CH4: I(IOUT8) CH4: I(IOUT8) Figure 26. Slow Power Down (V(SUPPLY), V(EN), V(PWMx) Fall Figure 25. Slow Power Up (V(SUPPLY), V(EN), V(PWMx) Rise Together From 14 V to 0 V by 0.2 V/s) Together From 0 V to 14 V by 0.2 V/s) CH1: V(REFHI) CH2: V(REF) CH3: I(IOUT1) CH1: V(PWM3) CH2: V(PWM4) CH3: V(REF) CH4: I(IOUT8) CH4: I(IOUT8) Duty cycle = 50% V(SUPPLY), V(EN) = 14 V Figure 28. Load Transient, I(IOUTx) Increases From 35 mA to Figure 27. PWM Dimming, Dimming Frequency = 1000 Hz 70 mA CH1: V(SUPPLY) CH2: V(REF) CH3: V(FAULT) CH1: V(REFHI) CH2: V(REF) CH3: I(IOUT1) I(IOUTx) = 35 mA CH4: I(IOUT8) Figure 30. Line Transient, V(SUPPLY), V(EN), V(PWMx) Ramp Figure 29. Load Transient, I(IOUTx) Decreases From 70 mA to From 9 V to 16 V to 9 V by 0.1 V/µs 35 mA Copyright © 2014–2015, Texas Instruments Incorporated Submit Documentation Feedback 11 Product Folder Links: TPS92638-Q1 |
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