ISL8002(2013_01) Просмотр технического описания (PDF) - Intersil

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Компоненты Описание

Список матч

ISL8002
(Rev.:2013_01)

Compact Synchronous Buck Regulators

Intersil 

ISL8002, ISL8002A, ISL80019, ISL80019A

Typical Performance Curves (Continued)

VEN 5V/DIV

VOUT 1V/DIV

IL 1A/DIV

VEN 5V/DIV

VOUT 1V/DIV

PLACEHOLDERPG 5V/DIV

1ms/DIV

FIGURE 28. START-UP AT 1.5A LOAD

FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C

VIN 5V/DIV

IL 1A/DIV

PG 5V/DIV

1ms/DIV

FIGURE 29. SHUTDOWN AT 1.5A LOAD

FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C

VIN 5V/DIV

VOUT 1V/DIV

VOUT 1V/DIV

IL 1A/DIV

IL 1A/DIV

PG 5V/DIV

500µs/DIV

FIGURE 30. START-UP VIN AT 2A LOAD

FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C

PG 5V/DIV

500µs/DIV

FIGURE 31. START-UP VIN AT 2A LOAD

FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C

VIN 5V/DIV

VIN 5V/DIV

IL 1A/DIV

VOUT 1V/DIV

PG 5V/DIV

1ms/DIV

FIGURE 32. SHUTDOWN VIN AT 2A LOAD

FSW = 2MHz, VIN = 5V, MODE = PFM, TA = +25°C

13

IL 1A/DIV

VOUT 1V/DIV

PG 5V/DIV

1ms/DIV

FIGURE 33. SHUTDOWN VIN AT 2A LOAD

FSW = 2MHz, VIN = 5V, MODE = PWM, TA = +25°C

FN7888.1

January 7, 2013

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