MAX8654ETX-T Maxim Integrated Products, MAX8654ETX-T Datasheet - Page 3

• Manufacturer Part Number: MAX8654ETX-T
• Description: DC/DC Switching Regulators 12V 8A 1.2MHz Step Down Regulator
• Manufacturer: Maxim Integrated Products

Specifications of MAX8654ETX-T

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

ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted.)
ERROR-AMPLIFIER
FB Regulation Voltage
Open-Loop Voltage Gain
Error-Amplifier Unity-Gain
Bandwidth
Error-Amplifier Common-Mode
Input Range
Error-Amplifier Maximum Output
Current
FB Input Bias Current
REFIN
REFIN Input Bias Current
REFIN Common-Mode Range
LX (All Pins Combined)
LX On-Resistance, High Side
LX On-Resistance, Low Side
LX Current-Limit Threshold
R
LX Leakage Current
LX Switching Frequency
R
LX Minimum On-Time
M axi m um RM S LX Outp ut C ur r ent
EN/SS
EN Input Logic-Low Threshold
EN Input Logic-High Threshold
EN Input Current
SS Charging Current
REFIN Discharge Resistance
Current-Limit Startup Blanking
Restart Time
IN
ILIM
FREQ
= V
Range
Range
EN
PARAMETER
= V
VP
= 12V, V
_______________________________________________________________________________________
VDL
= 5V, V
VP = V
1kΩ from COMP to GND
Parallel 10kΩ, 160pF from COMP to GND
V
V
V
I
I
R
V
(Note 2)
V
V
V
LX
LX
COMP
FB
REFIN
EN
EN
EN
SS
ILIM
VL
= -180mA
= 180mA
= 0.6V
= 0.45V
= 0V
= 0V
= 14V
= 100kΩ
= 3.3V, V
IN
= 0.6V
= 1V
= 4.5V to 14V
SYNC
= 0V, V
CONDITIONS
V
Sourcing
Sinking
V
V
R
R
FB
BST
LX
LX
FREQ
FREQ
= 0.5V, T
= 14V = V
= 0V, V
- V
= 50kΩ
= 100kΩ
LX
Step-Down Regulator
= 5V
IN
A
= 14V
IN
= -40°C to +85°C, typical values are at T
12V, 8A 1.2MHz
0.594
MIN
0.85
0.45
10.5
1.2
40
50
0
1
0
7
7
6
TYP
500
110
900
0.6
-35
-60
0.5
95
20
36
25
80
8
8
1
7
8
0.606
MAX
0.55
200
+50
200
1.5
1.5
-50
1.1
0.6
64
40
10
10
10
1
A
= +25°C,
UNITS
cycles
cycles
Clock
Clock
MHz
MHz
mΩ
mΩ
mA
dB
kΩ
kΩ
nA
nA
μA
μA
μA
ns
V
V
A
A
V
V
Ω
V
3