MAX8655ETN+T Maxim Integrated Products, MAX8655ETN+T Datasheet - Page 7

• 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

(T
A
= +25°C, unless otherwise noted.)
100
30
25
20
15
10
90
80
70
60
50
40
30
20
10
5
0
0
-40
1
vs. EXPOSED PAD TEMPERATURE
-20
EFFICIENCY vs. LOAD CURRENT
120
100
MAXIMUM OUTPUT CURRENT
80
60
40
20
EXPOSED PAD TEMPERATURE (°C)
0
12V INPUT, 3.3V OUTPUT
(CIRCUIT OF FIGURE 4)
(CIRCUIT OF FIGURE 4)
BOTTOM LAYER PCB TEMPERATURE vs.
0
0
V
IN
LOAD CURRENT (A)
20
= 12V, V
_______________________________________________________________________________________
5
40
10
Internal MOSFET, Step-Down Regulator
OUTPUT CURRENT
OUT
60
= 1.2V
10
I
OUT
80 100
(A)
15
Highly Integrated, 25A, Wide-Input,
120
100
20
25
100
100
Typical Operating Characteristics (continued)
90
80
70
60
50
40
30
20
10
90
80
70
60
50
40
30
20
10
0
0
200
5
EFFICIENCY vs. INPUT VOLTAGE
300
EFFICIENCY vs. FREQUENCY
8
12V INPUT 3.3V OUTPUT
(CIRCUIT OF FIGURE 4)
(CIRCUIT OF FIGURE 4)
INPUT VOLTAGE (V)
400
FREQUENCY (kHz)
11
500
14
600
V
10A LOAD
OUT
10A LOAD
17
= 3.3V
700
30
25
20
15
10
5
0
-40 -25 -10 5 20 35 50 65 80 95 110 125
800
20
OUTPUT-CURRENT CAPABILITY
vs. AMBIENT TEMPERATURE
AMBIENT TEMPERATURE (°C)
NO AIRFLOW
300 LFM
100
200
180
160
140
120
100
90
80
70
60
50
40
30
20
10
80
60
40
20
0
0
1.0
0
R
EFFICIENCY vs. OUTPUT VOLTAGE
VALLEY
1.5
100 LFM
5
(CIRCUIT OF FIGURE 4)
VALLEY CURRENT LIMIT (A)
vs. VALLEY CURRENT LIMIT
OUTPUT VOLTAGE (V)
2.0
10
2.5
15
12V INPUT
10A LOAD
3.0
20
3.5
25
7