MAX8686ETL+T Maxim Integrated Products, MAX8686ETL+T Datasheet - Page 10

• Manufacturer Part Number: MAX8686ETL+T
• Description: IC BUCK SYNC ADJ 25A 40TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8686ETL+T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 5.5 V
• Current - Output: 25A
• Frequency - Switching: 300kHz ~ 1MHz
• Voltage - Input: 4.5 ~ 20 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-TQFN Exposed Pad
• Power - Output: 4W
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Single/Multiphase, Step-Down,
DC-DC Converter Delivers Up to 25A Per Phase
10
EN/SLOPE
COMP
______________________________________________________________________________________
REFIN
GND
ILIM
CS+
AVL
RS+
RS-
CS-
INA
SS
VL
SLAVE MODE = S1, S2, S3, S5, S6 OPEN
AVL
MASTER MODE = S1, S2, S5, S6 CLOSE
S4
10μA
S3
GENERATOR
REFERENCE
30.5
30.5
5.4V LDO
VOLTAGE
FB
SLAVE MODE
DETECTION
g
AMPLIFIER
CURRENT-
M
AMPLIFIER
1/2
S5
SENSE
ERROR
V
REF
10μA
SLOPE
COMP
THERMAL
SHDN
UVLO
S1
SOFT-START
AVL
CIRCUITRY
V
SUM
LIMIT COMPARATOR
PEAK CURRENT-
EN/SLOPE
COMPARATOR
MAX8686
CONTROL LOGIC
CURRENT-LIMIT
S6
PWM
TO S4
CONTROL
LOGIC
PWM
EN/SLOPE
LEVEL
SHIFT
REFIN
GENERATOR
GENERATOR
1.2
0.9
CLOCK
RAMP
AVL
Functional Diagram
FB
VL
500μA
UV
OV
S2
PGND
RTN
BST
IN
LX
GFREQ
FREQ
PHASE/REFO
POK