Datasheet

MAX8537/MAX8538/MAX8539
Dual-Synchronous Buck Controllers for Point-of-
Load, Tracking, and DDR Memory Power Supplies
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GAIN
(dB)
0
f
Z1
f
Z2
f
C
f
P2
f
P3
FREQUENCY
EA GAIN
CLOSED-LOOP GAIN
Figure 7. Closed-Loop and Error-Amplifier Gain Plot for Case 2
C1
R3
R1
R2
V
OUT FB
REF
EA
COMP
C2
C3
R4
GAIN
(dB)
0
f
z1
f
Z2
f
C
f
P2
f
P3
FREQUENCY
EA GAIN
CLOSED-LOOP GAIN
Figure 6. Error-Amplifier Compensation Circuit; Closed-Loop and Error-Amplifier Gain Plot for Case 1