ISL854102DEMO2Z datasheet(10/21 Pages) RENESAS

Part #	ISL854102DEMO2Z

Description	Wide VIN 1.2A Synchronous Buck Regulator

PDF	21 Pages

Scroll/Zoom	100%

Manufacturer	RENESAS [Renesas Technology Corp]

Direct Link	http://www.renesas.com

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10 / 21 page

ISL854102

FN8870 Rev.1.00

Page 10 of 21

Mar 15, 2019

FIGURE 12. VOUT REGULATION vs LOAD, PFM, VOUT = 3.3V

FIGURE 13. VOUT REGULATION vs LOAD vs LOAD, PWM, VOUT = 3.3V

Efficiency Curves f

SW = 500kHz, TA = +25°C (Continued)

3.250

3.270

3.290

3.310

3.330

3.350

3.370

3.390

3.410

3.430

3.450

0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

1.1 1.2

OUTPUT LOAD (A)

VIN=12V

VIN=15V

VIN=24V

VIN=33V

3.320

3.323

3.326

3.329

3.332

3.335

3.338

3.341

3.344

3.347

3.350

0.2

0.4

0.6

0.8

1.2

OUTPUT LOAD (A)

VIN=12V

VIN=15V

VIN=24V

VIN=33V

Measurements f

SW = 500kHz, VIN = 24V, VOUT = 3.3V, TA = +25°C

FIGURE 14. START-UP AT NO LOAD, PFM

FIGURE 15. START-UP AT NO LOAD, PWM

FIGURE 16. SHUTDOWN AT NO LOAD, PFM

FIGURE 17. SHUTDOWN AT NO LOAD, PWM

LX 20V/DIV

VOUT 2V/DIV

EN 20V/DIV

PG 2V/DIV

5ms/DIV

LX 20V/DIV

VOUT 2V/DIV

EN 20V/DIV

PG 2V/DIV

5ms/DIV

LX 20V/DIV

VOUT 2V/DIV

EN 20V/DIV

PG 2V/DIV

100ms/DIV

LX 20V/DIV

VOUT 2V/DIV

EN 20V/DIV

PG 2V/DIV

100ms/DIV

ISL854102DEMO2Z Datasheet(PDF) 10 Page - Renesas Technology Corp

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