MAX8538EEI+T Maxim Integrated Products, MAX8538EEI+T Datasheet - Page 19
![IC CNTRLR BUCK DUAL 28-QSOP](/photos/6/61/66154/28-qsop_21-0055_sml.jpg)
MAX8538EEI+T
Manufacturer Part Number
MAX8538EEI+T
Description
IC CNTRLR BUCK DUAL 28-QSOP
Manufacturer
Maxim Integrated Products
Datasheet
1.MAX8538EEI.pdf
(23 pages)
Specifications of MAX8538EEI+T
Applications
Controller, DDR
Voltage - Input
4.5 ~ 23 V
Number Of Outputs
2
Voltage - Output
0.8 ~ 3.6 V
Operating Temperature
0°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
28-QSOP
Output Voltage
0.8 V to 3.6 V
Output Current
30 A
Input Voltage
4.5 V to 23 V
Mounting Style
SMD/SMT
Maximum Operating Temperature
+ 85 C
Minimum Operating Temperature
- 40 C
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Figure 6. Error-Amplifier Compensation Circuit; Closed-Loop and Error-Amplifier Gain Plot for Case 1
Figure 7. Closed-Loop and Error-Amplifier Gain Plot for Case 2
Load, Tracking, and DDR Memory Power Supplies
Dual-Synchronous Buck Controllers for Point-of-
GAIN
(dB)
GAIN
(dB)
______________________________________________________________________________________
0
0
V
OUT
C1
R1
CLOSED-LOOP GAIN
R2
f
z1
f
Z1
R3
CLOSED-LOOP GAIN
f
Z2
f
Z2
REF
FB
f
C
R4
f
P2
EA
C3
f
P2
COMP
f
C
C2
f
P3
f
P3
EA GAIN
EA GAIN
FREQUENCY
FREQUENCY
19