ISL80083 View Datasheet(PDF) - Intersil

Part Name

Description

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ISL80083

2.5MHz Integrated Power Management IC with I2C Compatible Interface

Intersil 

ISL80083

Typical Performance Curves and Waveforms (Continued)

VIN HOST 1V/DIV

VIN HOST 1V/DIV

SMPS 1V/DIV

VIN REMOTE 5V/DIV

VLDO 2V/DIV

SMPS 1V/DIV

VIN REMOTE 5V/DIV

VLDO 2V/DIV

RESET B 2V/DIV

1ms/DIV

FIGURE 14. START-UP VIN REMOTE = 3.3V AT NO LOAD (PWM)

RESET B 2V/DIV

10ms/DIV

FIGURE 15. SHUTDOWN VIN REMOTE = 3.3V AT NO LOAD (PWM)

VIN HOST 1V/DIV

SMPS 1V/DIV

VIN REMOTE 5V/DIV

VLDO 2V/DIV

RESET B 2V/DIV

1ms/DIV

FIGURE 16. START-UP VIN REMOTE = 3.3V AT NO LOAD (PFM)

VIN HOST 1V/DIV

SMPS 1V/DIV

VIN REMOTE 5V/DIV

VLDO 2V/DIV

RESET B 2V/DIV

10ms/DIV

FIGURE 17. SHUTDOWN VIN REMOTE = 3.3V AT NO LOAD (PFM)

VIN HOST 1V/DIV

SMPS 1V/DIV

VIN REMOTE 5V/DIV

VLDO 2V/DIV

RESET B 2V/DIV

1ms/DIV

FIGURE 18. START-UP VIN REMOTE = 3.3V AT 0.8A LOAD (PFM)

VIN HOST 1V/DIV

SMPS 1V/DIV

VIN REMOTE 5V/DIV

VLDO 2V/DIV

RME4SRETESBE2TVB/D2IV/DIV

10ms/DIV

FIGURE 19. SHUTDOWN VIN REMOTE = 3.3V AT 0.8A LOAD (PFM)

10

FN7886.1

May 15, 2013

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