ISL85402(2011) データシートの表示（PDF） - Intersil

部品番号

コンポーネント説明

メーカー

ISL85402
(Rev.:2011)

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

Intersil 

Performance Curves (Continued)

ISL85402

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

5µs/DIV

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

VIN 12V, 2A

VOUT BUCK 100mV/DIV (5V OFFSET)

VIN_BOOST_INPUT 5V/DIV

PHASE_BOOST 10V/DIV

PHASE_BUCK 10V/DIV

20ms/DIV

FIGURE 21. BOOST BUCK MODE, BOOST INPUT STEP FROM

36V TO 3V, VOUT BUCK = 5V, IOUT_BUCK = 1A

VOUT BUCK 100mV/DIV (5V OFFSET)

VIN_BOOST_INPUT 5V/DIV

PHASE_BOOST 10V/DIV

PHASE_BUCK 10V/DIV

10ms/DIV

FIGURE 22. BOOST BUCK MODE, BOOST INPUT STEP FROM

3V TO 36V, VOUT BUCK = 5V, IOUT_BUCK = 1A

11

FN7640.0

September 29, 2011

Share Link: