ISL6261A Datasheet, PDF(26/34 Page) Intersil Corporation – Single-Phase Core Regulator for IMVP-6 Mobile CPUs

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ISL6261A Datasheet, PDF (26/34 Pages) Intersil Corporation – Single-Phase Core Regulator for IMVP-6 Mobile CPUs

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ISL6261A

Typical Performance (ISL6261 Data, Taken on ISL6261A Eval1 Rev.A Evaluation Board) (Continued)

5V/div

0.1V/div

1V/div

10V/div

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

Ch1: CLK_EN#, Ch2: VO, Ch3: PMON,

Ch4: PHASE

5V/div

0.5V/div

7.68ms

5V/div

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

0.1V/div

1V/div

10V/div

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

Ch1: CLK_EN#, Ch2: VO, Ch3: PMON,

Ch4: PHASE

FIGURE 28. SHUT DOWN, VIN = 12.6V, Io = 2A, VID = 1.1V,

Ch1: VR_ON, Ch2: VO, Ch3: PGOOD,

Ch4: PHASE

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

Io = 2A, 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, Ch2: VO, Ch3: VIN, Ch4: PHASE

FN6354.3

November 5, 2009

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