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MAX5090CATE Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX5090CATE Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 / 17 page  2A, 76V, High-Efficiency MAXPower Step-Down DC-DC Converters 6 _______________________________________________________________________________________ Typical Operating Characteristics (continued) (VIN = 12V, VON/OFF =12V, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C. See the Typical Operating Circuit, if applicable.) MAX5090 toc19 LOAD-TRANSIENT RESPONSE (MAX5090AATE) VOUT = 3.3V A: VOUT, 200mV/div, AC-COUPLED B: IOUT, 500mA/div, 0.1A TO 1A 400 µs/div A B LX WAVEFORMS (MAX5090AATE) MAX5090 toc20 VOUT = 3.3V A B A: SWITCH VOLTAGE (LX PIN), 20mV/div (VIN = 48V) B: INDUCTOR CURRENT, 2A/div (I0 = 2A) 4 µs/div 0 MAX5090 toc21 LX WAVEFORMS (MAX5090AATE) VOUT = 3.3V A: SWITCH VOLTAGE, 20V/div (VIN = 48V) B: INDUCTOR CURRENT, 200mA/div (I0 = 75mA) 4 µs/div A B MAX5090 toc22 LX WAVEFORM (MAX5090AATE) VOUT = 3.3V A: SWITCH VOLTAGE, 20V/div (VIN = 48V) B: INDUCTOR CURRENT, 200mA/div (IOUT = 0) 4 µs/div A B MAX5090 toc23 STARTUP WAVEFORM (IOUT = 0) A: VON/OFF, 2V/div B: VOUT, 1V/div 4ms/div A B CSS = 0.047 µF MAX5090 toc24 STARTUP WAVEFORM (IOUT = 2A) A: VON/OFF, 2V/div B: VOUT, 1V/div 4ms/div A B CSS = 0.047 µF 1.0 3.0 2.0 5.0 4.0 6.0 7.0 6.5 36 46 16 26 56 66 76 PEAK SWITCH CURRENT vs. INPUT VOLTAGE INPUT VOLTAGE (V) MAX5090AATE VOUT = 3.3V 5% DROP IN VOUT PULSED OUTPUT LOAD MAX5090 toc26 SYNCHRONIZATION fSYNC = 119kHz SYNC 2V/div LX 10V/div 2 µs/div MAX5090 toc27 fSYNC = 200kHz SYNCHRONIZATION 1 µs/div SYNC 2V/div LX 10V/div |
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