isl6261a Intersil Corporation, isl6261a Datasheet - Page 23

• Manufacturer Part Number: isl6261a
• Description: Single-phase Core Regulator For Imvp-6 Mobile Cpus
• Manufacturer: Intersil Corporation

Typical Performance
FIGURE 15. CCM EFFICIENCY, VID = 1.1V,
FIGURE 17. DEM EFFICIENCY, VID = 0.7625V,
Internal to ISL6261A
OC
V
V
IN1
IN1
= 8V, V
= 8V, V
FIGURE 14. EQUIVALENT MODEL FOR DROOP CIRCUIT USING DISCRETE RESISTOR SENSING
1
IN2
IN2
= 12.6V AND V
= 12.6V AND V
23
(ISL6261 Data, Taken on ISL6261A Eval1 Rev.A Evaluation Board)
10µA
DROOP
IN3
IN3
= 19V
= 19V
DROOP
OCSET
VSUM
DFB
VO
ISL6261A
R ocset
FIGURE 16. CCM LOAD LINE AND THE SPEC, VID = 1.1V,
FIGURE 18. DEM LOAD LINE AND THE SPEC, VID = 0.7625V,
VO
V
V
IN1
IN1
= 8V, V
= 8V, V
IN2
IN2
R s
= 12.6V AND V
= 12.6V AND V
V rsen
IN3
IN3
= 19V
= 19V
December 21, 2007
I
o
R
sen
FN6354.2