ISL9440AEVAL1Z datasheet(5/11 Pages) INTERSIL

Part #	ISL9440AEVAL1Z

Description	Triple PWM Step-Down Synchronous Buck Controller and One LDO

PDF	11 Pages

Scroll/Zoom	100%

Manufacturer	INTERSIL [Intersil Corporation]

Direct Link	http://www.intersil.com/cda/home

Logo

5 / 11 page

AN1551.0

March 5, 2010

FIGURE 9. PWM2 REGULATION CURVES (PWM1, PWM3

DISABLED)

FIGURE 10. PWM3 REGULATION CURVES (PWM1,

PWM2 DISABLED)

FIGURE 11. SOFT-START CURVES

FIGURE 12. PWM1 OUTPUT RIPPLE UNDER MAX LOAD

(VIN = 12V, IO1 = IO2 = 6A, IO3 = 4A, FULL

BANDWIDTH)

FIGURE 13. PWM2 OUTPUT RIPPLE UNDER MAX LOAD

(VIN = 12V, IO1 = IO2 = 6A, IO3 = 4A, FULL

BANDWIDTH)

FIGURE 14. PWM3 OUTPUT RIPPLE UNDER MAX LOAD

(VIN = 12V, IO1 = IO2 = 6A, IO3 = 4A, FULL

BANDWIDTH)

Typical Evaluation Board Performance Curves V

IN = 12V,

Unless Otherwise Noted. (Continued)

3.290

3.295

3.300

3.305

3.310

LOAD CURRENT

VIN = 12V

VIN = 9V

VIN = 16V

02468

4.970

4.975

4.980

4.985

4.990

4.995

5.000

LOAD CURRENT

VIN = 12V

VIN = 9V

VIN = 16V

VOUT2, 2V/DIV

VOUT4, 2V/DIV

VOUT3, 2V/DIV

200µs/DIV

VOUT1, 500mV/DIV

VOUT1(AC), 10mV/DIV

VOUT2(AC), 20mV/DIV

500ns/DIV

VOUT3(AC), 20mV/DIV

500ns/DIV

Application Note 1551

ISL9440AEVAL1Z Datasheet(PDF) 5 Page - Intersil Corporation

ISL9440AEVAL1Z Datasheet(HTML) 5 Page - Intersil Corporation

Html Pages

1 2 3 4 5 6 7 8 9 10 11

Datasheet Download

Link URL