MAX8654ETX+T Maxim Integrated Products, MAX8654ETX+T Datasheet - Page 7

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

Specifications of MAX8654ETX+T

• 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
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

(Typical values are: V
V
PWRGD
V
REFIN
V
V
I
OUT
OUT
OUT
I
IN
_______________________________________________________________________________________
IN
= V
VP
SOFT-START WITH REFIN
= 12V, V
INTO A 0.5Ω LOAD
LOAD TRANSIENT
20μs/div
40μs/div
OUT
V
PWRGD
V
V
OUT
EN
I
IN
= 3.3V, R
AC-COUPLED
Typical Operating Characteristics (continued)
MAX8654 toc19
MAX8654 toc16
STARTUP INTO A 0.5Ω LOAD
FREQ
500mV/div
0V
2A/div
0
2V/div
0V
2V/div
0V
100mV/div
2A/div
0A
= 100kΩ, and T
200μs/div
MAX8654 toc18
Step-Down Regulator
A
V
V
= +25°C, circuit of Figure 1.)
I
I
LX1
LX2
LX1
LX2
10
9
8
7
6
5
4
3
2
1
0
10V/div
0V
2A/div
0
2V/div
0V
2V/div
0V
0
SYNCHRONIZED OPERATION (NO LOAD)
0.025 0.050 0.075
SOFT-START TIME
12V, 8A 1.2MHz
400ns/div
vs. C
C
SS
(μF)
SS
0.100 0.125 0.150
MAX8654 toc20
10mV/div
0V
10V/div
0V
2A/div
2A/div
7