MAX8655ETN+T Maxim Integrated Products, MAX8655ETN+T Datasheet - Page 6

• Manufacturer Part Number: MAX8655ETN+T
• Description: IC STEP-DN REG 25A 56-TQFN-EP
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8655ETN+T

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.7 ~ 5.5 V
• Current - Output: 25A
• Frequency - Switching: 200kHz ~ 1MHz
• Voltage - Input: 4.5 ~ 25 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 56-TQFN Exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Highly Integrated, 25A, Wide-Input,
Internal MOSFET, Step-Down Regulator
(T
6
A
= +25°C, unless otherwise noted.)
_______________________________________________________________________________________
V
V
SYNCO
FSYNC
V
V
OUT
V
I
LX
-10
-20
-30
-40
IN
IN
50
40
30
20
10
0
500 1k 2k 4k
INTERNAL 350kHz
OPERATION
SHORT CIRCUIT AND RECOVERY
CLOSED-LOOP BODE PLOT
(CIRCUIT OF FIGURE 4)
(CIRCUIT OF FIGURE 3)
FSYNC AND SYNCO
FREQUENCY (Hz)
GAIN
10k 20k
SYNCHRONIZED TO
EXTERNAL 500kHz CLOCK
1ms/div
1µs/div
40k 100k 200k400k
PHASE
MAX8655 toc11
MAX8655 toc09
MAX8655toc13
Typical Operating Characteristics (continued)
180
144
108
72
36
0
500mV/div
(AC-COUPLED)
1V/div
1A/div
5V/div
5V/div
5V/div
(MASTER)
(MASTER)
(SLAVE)
V
SYNCO
V
30
25
20
15
10
OUT
V
V
V
5
0
LX
LX
LX
5
OVERVOLTAGE PROTECTION
10
DUAL-PHASE SWITCHING
SAFE OPERATING AREA
(CIRCUIT OF FIGURE 5)
(CIRCUIT OF FIGURE 3)
INPUT VOLTAGE (V)
15
40µs/div
1µs/div
20
25
MAX8655 toc12
MAX8655 toc10
30
2V/div
5V/div
5V/div
5V/div
5V/div