MAX8654ETX+ Maxim Integrated Products, MAX8654ETX+ Datasheet - Page 5

• Manufacturer Part Number: MAX8654ETX+
• Description: IC REG STP DWN 12V 8A 36TQFN
• Manufacturer: Maxim Integrated Products
• Type: Step-Down (Buck)r

Specifications of MAX8654ETX+

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.6 ~ 11.9 V
• Current - Output: 8A
• Frequency - Switching: 250kHz ~ 1.2MHz
• Voltage - Input: 4.5 ~ 14 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 36-TQFN Exposed Pad
• Power - Output: 2.86W
• Output Voltage: 0.6 V to 0.85 V
• Output Current: 8 A
• Input Voltage: 4.5 V to 14 V
• Switching Frequency: 1 MHz
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Typical values are: V
-0.05
-0.10
-0.15
-0.20
-0.25
-0.30
-0.35
0.610
0.605
0.600
0.595
0.590
100
90
80
70
60
50
40
30
20
10
0
0
0.1
REFERENCE VOLTAGE vs. TEMPERATURE
-50
0
V
IN
V
EFFICIENCY vs. LOAD CURRENT
OUT
-25
1
= 12V, V
= 1.8V
2
V
LOAD REGULATION
OUT
OUTPUT CURRENT (A)
0
VDL
LOAD CURRENT (A)
TEMPERATURE (°C)
= 1.8V
3
= V
25
_______________________________________________________________________________________
VP
IN
= 5V, f
1
4
= V
50
V
OUT
V
OUT
5
VP
S
= 500kHz
= 3.3V
75
= 3.3V
= 12V, V
6
V
OUT
100
= 5V
7
125
OUT
10
8
= 3.3V, R
1200
1000
100
800
600
400
200
90
80
70
60
50
40
30
20
10
10
0
9
8
7
6
5
4
3
2
1
0
0
0.1
0
5
V
FREQ
IN
EFFICIENCY vs. LOAD CURRENT
= V
SHUTDOWN SUPPLY CURRENT
2
VP
SWITCHING FREQUENCY
7
= 100kΩ, and T
= 5V, f
vs. INPUT VOLTAGE
vs. INPUT VOLTAGE
V
OUTPUT CURRENT (A)
4
INPUT VOLTAGE (V)
OUT
INPUT VOLTAGE (V)
S
= 500kHz
= 1.8V
9
6
1
8
V
Typical Operating Characteristics
11
OUT
Step-Down Regulator
A
= 3.3V
10
= +25°C, circuit of Figure 1.)
13
12
10
14
15
12V, 8A 1.2MHz
1400
1200
1000
100
800
600
400
200
9.0
8.8
8.6
8.4
8.2
8.0
7.8
7.6
7.4
7.2
7.0
90
80
70
60
50
40
30
20
10
0
0
0.1
1.5
0
CURRENT LIMIT vs. OUTPUT VOLTAGE
V
IN
V
SWITCHING FREQUENCY vs. R
OUT
EFFICIENCY vs. LOAD CURRENT
= V
VP
= 5V
50
.2.0
= 12V, f
OUTPUT CURRENT (A)
OUTPUT VOLTAGE (V)
V
OUT
S
100
R
= 500kHz
FREQ
= 1.8V
2.5
1
(kΩ)
V
150
OUT
= 3.3V
3.0
200
FREQ
250
3.5
10
5