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| ISL85412 Datasheet, PDF (11/19 Pages) Intersil Corporation – Wide VIN 150mA Synchronous Buck Regulator | |||
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ISL85412
Typical Performance Curves VIN = 12V, VOUT = 3.3V, fSW = 700kHz, TA = +25°C, CIN = 20µF,
COUT = 22µF. (Continued)
PHASE 10V/DIV
PHASE 10V/DIV
VOUT 2V/DIV
VEN 10V/DIV
VOUT 2V/DIV
VEN 10V/DIV
PG 5V/DIV
1ms/DIV
FIGURE 25. START-UP AT 150mA, PFM
PG 5V/DIV
5ms/DIV
FIGURE 26. SHUTDOWN AT 150mA, PFM
VIN 10V/DIV
VOUT 1V/DIV
IL 100mA/DIV
PG 5V/DIV
1ms/DIV
FIGURE 27. START-UP VIN AT 150mA LOAD, PFM
VIN 10V/DIV
VOUT 2V/DIV
IL 100mA/DIV
PG 5V/DIV
1ms/DIV
FIGURE 28. START-UP VIN AT 150mA LOAD, PWM
VIN 10V/DIV
VOUT 2V/DIV
IL 100mA/DIV
PG 5V/DIV
5ms/DIV
FIGURE 29. SHUTDOWN VIN AT 150mA LOAD, PFM
VIN 10V/DIV
VOUT 2V/DIV
IL 100mA/DIV
PG 5V/DIV
5ms/DIV
FIGURE 30. SHUTDOWN VIN AT 150mA LOAD, PWM
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FN8378.1
March 13, 2015
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