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| ER3125QI Datasheet, PDF (12/30 Pages) Altera Corporation – MOSFET for Synchronous Buck or Boost Buck Converter | |||
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Page 12
Typical Performance Curves (Continued)
VOUT 10mV/DIV (5V OFFSET)
SW 5V/DIV
VOUT 10mV/DIV (5V OFFSET)
SW 10V/DIV
20µs/DIV
FIGURE 19. NON-SYNCHRONOUS BUCK, FORCE PWM MODE, VPVIN 12V,
NO LOAD
VOUT BUCK 100mV/DIV (5V OFFSET)
VPVIN_BOOST_INPUT 5V/DIV
SW_BOOST 10V/DIV
SW_BUCK 10V/DIV
20ms/DIV
FIGURE 21. BOOST BUCK MODE, BOOST INPUT STEP FROM 36V TO 3V,
VOUT BUCK = 5V, IOUT_BUCK = 1A
5µs/DIV
FIGURE 20. NON-SYNCHRONOUS BUCK, FORCE PWM MODE, VPVIN 12V,
2A
VOUT BUCK 100mV/DIV (5V OFFSET)
VPVIN_BOOST_INPUT 5V/DIV
SW_BOOST 10V/DIV
SW_BUCK 10V/DIV
10ms/DIV
FIGURE 22. BOOST BUCK MODE, BOOST INPUT STEP FROM 3V TO 36V,
VOUT BUCK = 5V, IOUT_BUCK = 1A
Enpirion Power Datasheet ER3125QI 2.5A Regulator with Integrated High-Side MOSFET for
Synchronous Buck or Boost Buck Converter
10040
May 28, 2014
May 2014 Altera Corporation
Rev A
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