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MAX16936RATEB Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX16936RATEB Datasheet(HTML) 3 Page - Maxim Integrated Products |
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3 / 17 page  MAX16936 36V, 220kHz to 2.2MHz Step-Down Converter with 28µA Quiescent Current 3 Maxim Integrated ELECTRICAL CHARACTERISTICS (continued) (VSUP = VSUPSW = 14V, VEN = 14V, L1 = 2.2FH, CIN = 4.7FF, COUT = 22FF, CBIAS = 1FF, CBST = 0.1FF, RFOSC = 12kI, TA = TJ = -40NC to +125NC, unless otherwise noted. Typical values are at TA = +25NC.) PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS Skip Mode Output Voltage VOUT_SKIP No load, VFB = VBIAS, skip mode (Note 3) 4.9 5 5.15 V Load Regulation VFB = VBIAS, 300mA < ILOAD < 2.5A 0.5 % Line Regulation VFB = VBIAS, 6V < VSUPSW < 36V 0.02 %/V BST Input Current IBST_ON High-side MOSFET on, VBST - VLX = 5V 1 1.5 2 mA IBST_OFF High-side MOSFET off, VBST - VLX = 5V, TA = +25 °C 5 F A LX Current Limit ILX Peak inductor current 3 3.75 4.5 A LX Rise Time RFOSC = 12k W 4 ns Skip Mode Current Threshold ISKIP_TH TA = +25 °C 150 300 400 mA Spread Spectrum Spread spectrum enabled fOSC Q6% High-Side Switch On-Resistance RON_H ILX = 1A, VBIAS = 5V 100 220 mI High-Side Switch Leakage Current High-side MOSFET off, VSUP = 36V, VLX = 0V, TA = +25NC 1 3 F A Low-Side Switch On-Resistance RON_L ILX = 0.2A, VBIAS = 5V 1.5 3 I Low-Side Switch Leakage Current VLX = 36V, TA = +25NC 1 F A TRANSCONDUCTANCE AMPLIFIER (COMP) FB Input Current IFB 20 100 nA FB Regulation Voltage VFB FB connected to an external resistor divider, 6V < VSUPSW < 36V (Note 4) 0.99 1.0 1.015 V FB Line Regulation D VLINE 6V < VSUPSW < 36V 0.02 %/V Transconductance (from FB to COMP) gm VFB = 1V, VBIAS = 5V 700 F S Minimum On-Time tON_MIN (Note 3) 80 ns Maximum Duty Cycle DCMAX 98 % OSCILLATOR FREQUENCY Oscillator Frequency RFOSC = 73.2kI 340 400 460 kHz RFOSC = 12kI 2.0 2.2 2.4 MHz EXTERNAL CLOCK INPUT (FSYNC) External Input Clock Acquisition time tFSYNC 1 Cycles External Input Clock Frequency RFOSC = 12kI (Note 5) 1.8 2.6 Hz External Input Clock High Threshold VFSYNC_HI VFSYNC rising 1.4 V |
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Similar Description - MAX16936RATEB |
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