MAX15021ATI+ Maxim Integrated Products, MAX15021ATI+ Datasheet - Page 22

• Manufacturer Part Number: MAX15021ATI+
• Description: IC REG SYNC DUAL 28-TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX15021ATI+

• Internal Switch(s): Both
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 5.5 V
• Current - Output: 2A, 4A
• Frequency - Switching: 500kHz ~ 4MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 28-TQFN Exposed Pad
• Power - Output: 2.76W
• Topology: Buck
• Output Voltage: 0.6 V to 5.5 V
• Output Current: 2 A, 4 A
• Input Voltage: 2.5 V to 5.5 V
• Duty Cycle (max): 100 %
• Switching Frequency: 500 KHz to 4 MHz
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Operating Supply Voltage: 2.5 V to 5.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Dual, 4A/2A, 4MHz, Step-Down DC-DC
Regulator with Tracking/Sequencing Capability
22
Figure 8. MAX15021 Double Buck with Sequencing
______________________________________________________________________________________
PGND
C
SGND
1
V
IN
C
2
R
R
1
T
AVIN
RT
C
T
EN2 PVIN2
SGND
MAX15021
C
V
IN2
DVDD2
OUT1
SEL
Typical Operating Circuits (continued)
C
DD2
FB2
COMP2
COMP1
PGND2
DVDD1
PGND1
PVIN1
C
C
EN1
LX2
LX1
FB1
F2
F1
C
C
CF2
CF1
R
R
F2
F1
V
V
C
IN
IN
R
I2
I2
C
C
DD1
IN1
R
R
R
C
C
C
S2
S1
I1
S2
S1
I1
L
L
R
R
2
1
1OUT2
2OUT2
R
R
C
C
1OUT1
2OUT1
OUT2
OUT1
V
V
V
OUT2
AVIN
OUT1