MAX5098AATJ+T Maxim Integrated Products, MAX5098AATJ+T Datasheet - Page 13

• Manufacturer Part Number: MAX5098AATJ+T
• Description: IC CONV BUCK/BOOST DL 32TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck), Step-Up (Boost)r

Specifications of MAX5098AATJ+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 0.85 V, 4.5 ~ 28 V
• Current - Output: 1A, 2A
• Frequency - Switching: 200kHz ~ 2.2MHz
• Voltage - Input: 4.5 ~ 19 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 32-TQFN Exposed Pad
• Power - Output: 2.76W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

IN_HIGH
BYPASS
FSEL_1
ON/OFF
SYNC
VDRV
EN1
CKO
OSC
EN2
V+
Converter with 80V Load-Dump Protection
Dual, 2.2MHz, Automotive Buck or Boost
FREQUENCY
______________________________________________________________________________________
DIVIDER
CKO1
MAX5098A
CONVERTER 1
OSCILLATOR
SOFT-START
MAIN
DIGITAL
OSCILLATOR
CKO2
MAXIMUM DUTY-CYCLE
COMPARATOR
FREQUENCY
CONTROL
PWM
OVERVOLTAGE
CONTROL
REGULATOR
20V SHUNT
CHARGE
1.8V
S
PUMP
TRANSCONDUCTANCE
R
ERROR AMPLIFIER
Q
Q
CONVERTER 2
f
PROTECTION CIRCUIT/
SW
STARTUP CIRCUIT/
/4
CHARGE PUMP
0.2V
0.8V
0.9V
0.74V
CURRENT
OVERVOLTAGE
LIMIT
VL
Functional Diagram
LDO
VL
V
BST1/VDD1
DRAIN1
SOURCE1
PGOOD1
PGND_
FB1
COMP1
SGND
PGOOD2
DRAIN2
BST2/VDD2
SOURCE2
FB2
COMP2
PGND_
GATE
L
13