ISL6261 Datasheet, PDF(25/34 Page) Intersil Corporation – Single-Phase Core Regulator for IMVP-6 Mobile CPUs

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ISL6261 Datasheet, PDF (25/34 Pages) Intersil Corporation – Single-Phase Core Regulator for IMVP-6 Mobile CPUs

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ISL6261

Typical Performance (Data Taken on ISL6261 Eval1 Rev. C Evaluation Board) (Continued)

5V/div

0.2V/div

5V/div

10V/div

FIGURE 25. VBOOT TO VID, VIN = 19V, Io = 2A, VID = 1.5V,

Ch1: PGD_IN, Ch2: Vo, Ch3: CLK_EN#,

Ch4: PHASE

5V/div

FIGURE 26. VBOOT TO VID, VIN = 19V, Io = 2A, VID = 0.7625V,

Ch1: PGD_IN, Ch2: Vo, Ch3: PGOOD,

Ch4: CLK_EN

5V/div

0.5V/div

5V/div

7.5ms

10V/div

FIGURE 27. CLK_EN AND PGOOD ASSERTION DELAY,

VIN=19V, Io=2A, VID=1.1V, Ch1: CLK_EN#,

Ch2: Vo, Ch3: PGOOD, Ch4: PHASE

FIGURE 28. SHUT DOWN, VIN = 19V, Io = 0.5A, VID = 1.5V,

Ch1: VR_ON, Ch2: Vo, Ch3: PGOOD,

Ch4: PHASE

FIGURE 29. SOFT START INRUSH CURRENT, VIN = 19V,

Io = 0.5A, VID = 1.1V, Ch1: DROOP-VO

(2.1mV = 1A), Ch2: Vo, Ch3: Vcomp, Ch4: PHASE

FIGURE 30. VIN TRANSIENT TEST, VIN = 8Ã19V, Io = 2A,

VID = 1.1V, Ch1: Vo, Ch3: VIN, Ch4: PHASE

FN9251.1

September 27, 2006

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