isl62871 Intersil Corporation, isl62871 Datasheet - Page 22

• Manufacturer Part Number: isl62871
• Description: Pwm Dc/dc Controller With Vid Inputs For Portable Gpu Core-voltage Regulator
• Manufacturer: Intersil Corporation

Typical Performance Curves
1ADC
FIGURE 24. SHUT-DOWN, V
FIGURE 26. DCM STEADY-STATE OPERATION,
FIGURE 28. DCM LOAD TRANSIENT RESPONSE
PGOOD
+10AµF
EN
PHASE
UGATE
LGATE
V
OUT
LOAD = OPEN-CIRCUIT
V
V
10s
IN
IN
= 12.6V, V
= 12.6V, V
PHASE
11ADC
V
I
OUT
OUT
OUT
OUT
IN
22
= 12.6V, V
= 1.0V, I
= 1.0V
-10AµF
OUT
OUT
(Continued)
= 3A
= 1.05V,
1ADC
SREF
V
OUT
ISL62871, ISL62872
FIGURE 25. CCM STEADY-STATE OPERATION,
FIGURE 27. CCM LOAD TRANSIENT RESPONSE
FIGURE 29. VID TO SREF RESPONSE
5ADC
V
VID1
VID0
OUT
V
V
V
I
OUT
IN
IN
IN
+10AµF
= 12.6V, V
= 12.6V, V
= 12.6V, V
= 10A
OUT
OUT
OUT
PHASE
UGATE
PHASE
15ADC
LGATE
V
V
SREF
I
OUT
OUT
OUT
= 1.0V, I
= 1.0V
= 950mV AND 1.05V,
OUT
-10AµF
= 10A
August 14, 2008
5ADC
FN6707.0