MAX15021ATI+ Maxim Integrated Products, MAX15021ATI+ Datasheet - Page 8

• 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
8
_______________________________________________________________________________________
COMP1
FB1
RT
V
REF
AND SOFT-STOP
CLK2
AVIN
0.6V
OSC
REF
SOFT-START
EN
DIGITAL
CLK1
CLK1
DOWN1
V
EN1
V
REF
THERMAL
RAMP
R1
1.225V
SHDN
1.1V
E/A
SEQ1
LEVEL
SHIFT
CLK
CPWM
ON1 ON2
EN CONFIG
SHDN
SEQ1
SEQ2
SEL DECODE
ILIM1
OVL1
SEL
SEQ1
CONFIG
RES
MANAGEMENT
OVL
OVERLOAD
AVIN
SHDN
SEQ2
CLK1 CLK2
SGND
D
D0
OVL1
OVL2
Q
BEFORE-
BREAK-
MAKE
Functional Diagrams
PWM CONTROLLER 1
MAX15021
ON1
SEQ1
HIGH-SIDE
LOW-SIDE
CURRENT
CURRENT
SENSE
SENSE
1.225V
1.1V
EN1
DVDD1
PVIN1
LX1
PGND1