MAX5072ETJ+ Maxim Integrated Products, MAX5072ETJ+ Datasheet - Page 13

• Manufacturer Part Number: MAX5072ETJ+
• Description: IC CONV BUCK/BOOST 32-TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of MAX5072ETJ+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 28 V
• Current - Output: 1A, 2A
• Frequency - Switching: 200kHz ~ 2.2MHz
• Voltage - Input: 4.5 ~ 23 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Power - Output: 2.76W
• Output Voltage: 5.2 V
• Output Current: 2 A
• Input Voltage: 5.5 V to 23 V
• Supply Current: 2.2 mA
• Switching Frequency: 1250 KHz
• Mounting Style: SMD/SMT
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Figure 2. Functional Diagram
BYPASS
F_SEL1
SYNC
CKO
OSC
EN1
EN2
MR
PFI
V+
Converter with POR and Power-Fail Output
FREQUENCY
OSCILLATOR
DIVIDER
MAIN
MAX5072
______________________________________________________________________________________
CONVERTER 1
SOFT-START
DIGITAL
OSCILLATOR
VREF
OSCILLATOR
V
CC
2.2MHz, Dual-Output Buck or Boost
DEBOUNCE
DEAD-TIME
CONTROL
FREQUENCY
FOLDBACK
V
CC
Q
Q
35µS GLITCH
IMMUNITY
CONVERTER 2
VREF
Q
f
SW
OPEN
DRAIN
/4
0.5V
V
REF
0.92V
RESET2
REF
REF
N
VL
180mS
DELAY
V
CC
LDO
VL
VL
BST1/VDD1
DRAIN1
SOURCE1
PGOOD1
FB1
COMP1
RESET
PFO
BST2/VDD2
DRAIN2
VDD2
SOURCE2
FB2
COMP2
13