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3 CIRCUIT toc12 VOUT 2V/div VRESET 5V/div IOUT ??

7 china.maximintegrated.com 典型工作特性(续) (VIN = VEN/UVLO = 24V, VPGND = VSGND = 0V, CVIN =

2 x 2.2?F, CVCC = 2.2?F, CBST = 0.1?F, CSS = 12,000pF, RT = MODE = open, TA = TJ = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C. All voltages are referenced to SGND, unless otherwise noted.) 2ms/div VEN/UVLO 2V/div SOFT-START/SHUTDOWN FROM EN/UVLO, 3.3V OUTPUT, PFM MODE, 5mA LOAD CURRENT, FIGURE

4 CIRCUIT toc15 VOUT 1V/div VRESET 5V/div MODE = OPEN 1ms/div VEN/UVLO 2V/div SOFT-START WITH 2.5V PREBIAS, 5V OUTPUT, PWM MODE,........