ISL6227EVAL2 Intersil, ISL6227EVAL2 Datasheet - Page 8

• Manufacturer Part Number: ISL6227EVAL2
• Description: EVALUATION BOARD 2 ISL6227
• Manufacturer: Intersil

Specifications of ISL6227EVAL2

• Main Purpose: Special Purpose DC/DC, DDR Memory Supply
• Outputs And Type: 2, Non-Isolated
• Voltage - Output: 0.9 ~ 5.5V
• Voltage - Input: 5 ~ 24V
• Regulator Topology: Buck
• Frequency - Switching: 300kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6227
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Typical Operation Performance
FIGURE 19. OVERCURRENT PROTECTION AT CHANNEL 1
VPHASE1
SOFT1
Vphase1
SOFT1
VO1
PG1
VO1
FIGURE 21. MODE TRANSITION OF HYS
ILO1
Vo2
EN1
EN1
PG1
Vo1
VO1
PG1
PG1
VO2
ILO1
Vo1
VO2
Ilo1
Vo1
Vo2
Ilo1
FIGURE 23. NORMAL SHUTDOWN, I
8
OUT
→
(Continued)
= 1.5A
_PWM
ISL6227
FIGURE 20. SHORT-CIRCUIT PROTECTION AT CHANNEL 1
Vphase2
VPHASE2
VTT
OCSET
VDDQ
VCC
OCSET
ILO1
VDDQ
VO1
VO2
VO1
Vo1
PG1
FIGURE 22. MODE TRANSITION OF PWM
VTT
PG1
Vo2
VCC
Vo1
Ilo1
ILO2
Ilo2
Vo2
VO2
FIGURE 24. V
CC
POWER-UP IN DDR MODE
→
HYS
May 4, 2009
FN9094.7