ISL91128 datasheet(8/17 Pages) RENESAS

部件名	ISL91128

功能描述	High Efficiency Buck-Boost Regulator with 4.5A Switches and I2C Interface

PDF	17 Pages

Scroll/Zoom	100%

制造商	RENESAS [Renesas Technology Corp]

网页	http://www.renesas.com

标志

8 / 17 page

ISL91128

FN8732 Rev.3.00

Page 8 of 17

May 3, 2018

FIGURE 10. SOFT-START (VIN = 2.5V, VOUT = 3.3V, NO LOAD)

FIGURE 11. STEADY-STATE OPERATION (VIN = 2.5V, VOUT = 3.3V,

2A LOAD)

FIGURE 12. 0A TO 2A LOAD TRANSIENT (VIN = 3.6V, VOUT = 3.3V)

FIGURE 13. 0.5A TO 1.5A LOAD TRANSIENT (VIN = 3.6V, VOUT = 3.3V)

FIGURE 14. 0A TO 1A LOAD TRANSIENT (VIN = 3.6V, VOUT = 3.3V)

FIGURE 15. OUTPUT SHORT-CIRCUIT BEHAVIOR (VIN = 3.6V,

VOUT =3.3V)

Typical Performance Curves Unlessotherwisenoted,operatingconditionsare:T

A = +25°C, VIN = EN = 3.6V, L1 = 1µH,

C1 = 2x10µF, C2 = 2x22µF, VOUT = 3.3V, IOUT = 0A to 3A. (Continued)

IL (1A/DIV)

VOUT (AC, 1V/DIV)

EN (2V/DIV)

1ms/DIV

400ns/DIV

VOUT (AC, 20mV/DIV)

LX2 (2V/DIV)

LX1 (2V/DIV)

IL (1A/DIV)

100µs/DIV

IL (1A/DIV)

VOUT (AC, 100mV/DIV)

100µs/DIV

IL (1A/DIV)

VOUT (AC, 100mV/DIV)

100µs/DIV

IL (1A/DIV)

VOUT (AC, 100mV/DIV)

20ms/DIV

IL (2A/DIV)

VOUT (2V/DIV)

LX2 (2V/DIV)

LX1 (2V/DIV)

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