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5002 Datasheet(PDF) 4 Page - Intersil Corporation |
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5002 Datasheet(HTML) 4 Page - Intersil Corporation |
4 / 9 page Application Note 1793 4 AN1793.1 December 6, 2012 TABLE 3. ISL8225M OPERATION MODES 1ST MODULE (I = INPUT; O = OUTPUT; I/O = INPUT AND OUTPUT, BI-DIRECTION) MODES OF OPERATION OUTPUT (SEE DESCRIPTION FOR DETAILS) OPERATION MODE OF 2ND MODULE OPERATION MODE OF 3RD MODULE MODE EN1/FF1 (I) EN2/FF2 (I) VSEN2- (I) MODE (I) VSEN2+ (I) CLKOUT/REFIN WRT 1ST (I OR O) VMON2 (Note 2) VMON1 OF 2ND MODULE (Note 2) 2ND CHANNEL WRT 1ST (O) (NOTE 1) 10 0 - - - -- - - - - Disabled 2A 0 1 Active Active Active - Active - VMON1 = VMON2 to Keep PGOOD Valid -- Single Phase 2B 1 0 - - - - - - VMON1 = VMON2 to Keep PGOOD Valid -- Single Phase 3A 1 1 <VCC -0.7V Active Active 29% to 45% of VCC (I) Active - 0° - - Dual Regulator 3B 1 1 <VCC -0.7V Active Active 45% to 62% of VCC (I) Active - 90° - - Dual Regulator 3C 1 1 <VCC -0.7V Active Active >62% of VCC (I) Active - 180° - - Dual Regulator 41 1 <VCC -0.7V Active Active <29% of VCC (I) Active - -60° - - DDR Mode 5A 1 1 VCC GND - 60° VMON1 or Divider - 180° - - 2-Phase 5B 1 1 VCC GND - 60° Divider Divider 180° 5B 5B 6-Phase 5C 1 1 VCC GND - 60° VMON1 or Divider Active 180° 5C 5C 3 Outputs 61 1 VCC VCC GND 120° 1kΩ Active 240° 2B - 3-Phase 7A 1 1 VCC VCC VCC 90° 1kΩ Divider 180° 7A - 4-Phase 7B 1 1 VCC VCC VCC 90° 1kΩ Active 180° 7B - 2 Outputs (1st module in Mode 7A) 7C 1 1 VCC VCC VCC 90° 1kΩ Active 180° 3, 4 - 3 Outputs (1st module in Mode 7A) 8 Cascaded Module Operation MODEs 5B+5B+7A+5B+5B+5B/7A, No External Clock Required 12-Phase 9 External Clock or External Logic Circuits Required for Equal Phase Interval 5, 7, 8, 9, 10, 11, or (PHASE >12) NOTE: 1. “2ND CHANNEL WRT 1ST” means “second channel with respect to first;” in other words, Channel 2 lags Channel 1 by the degrees specified in this column. For example, 90° means Channel 2 lags Channel 1 by 90°; -60° means Channel 2 leads Channel 1 by 60°. 2. “VMON1” means that the pin is tied to the VMON1 pin of the same module. “Divider” means that there is a resistor divider from VOUT to SGND; refer to Figure 24 in the ISL8225M datasheet. “1kΩ” means that there is a 1kΩ resistor connecting the pin to SGND; refer to Figure 22 in the ISL8225M datasheet. |
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