ISL85402 データシートの表示（PDF） - Intersil

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ISL85402

2.5A Regulator with Integrated High-Side MOSFET for Synchronous Buck or Boost Buck Converter

Intersil 

Performance Curves (Continued)

ISL85402

VOUT 20mV/DIV (5V OFFSET)

VOUT 100mV/DIV (5V OFFSET)

PHASE 20V/DIV

IOUT 1A/DIV

PHASE 20V/DIV

5µs/DIV

FIGURE 15. SYNCHRONOUS BUCK WITH FORCE PWM MODE,

VIN 36V, IO 2A

1ms/DIV

FIGURE 16. VIN 24V, 0 TO 2A STEP LOAD, FORCE PWM MODE

VOUT 70mV/DIV (5V OFFSET)

LGATE 5V/DIV

VOUT 1V/DIV

PHASE 20V/DIV

VOUT 200mV/DIV (5V OFFSET)

LGATE 5V/DIV

IOUT 1A/DIV

PHASE 20V/DIV

100µs/DIV

FIGURE 17. VIN 24V, 80mA LOAD, PFM MODE

1ms/DIV

FIGURE 18. VIN 24V, 0 TO 2A STEP LOAD, PFM MODE

VOUT 10mV/DIV (5V OFFSET)

PHASE 5V/DIV

VOUT 10mV/DIV (5V OFFSET)

PHASE 10V/DIV

20µs/DIV

FIGURE 19. NON-SYNCHRONOUS BUCK, FORCE PWM MODE,

VIN 12V, NO LOAD

11

5µs/DIV

FIGURE 20. NON-SYNCHRONOUS BUCK, FORCE PWM MODE,

VIN 12V, 2A

FN7640.1

April 25, 2013

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