MAX8654ETX+ Maxim Integrated Products, MAX8654ETX+ Datasheet - Page 4

• 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

12V, 8A 1.2MHz
Step-Down Regulator
ELECTRICAL CHARACTERISTICS (continued)
(V
unless otherwise noted.)
Note 2: All devices are production tested at T
4
SYNC
SYNC Capture Range
SYNC Pulse Width
SYNC Input Threshold
SYNC Input Current
SYNCOUT
SYNCOUT Frequency Range
SYNCOUT Phase Shift from
SYNCIN or Internal Oscillator
SYNCOUT Output Voltage
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
POWER-GOOD
PWRGD Threshold Voltage
PWRGD Falling Edge Deglitch
PWRGD Output Voltage Low
PWRGD Leakage Current
IN
_______________________________________________________________________________________
= V
EN
PARAMETER
= V
VP
= 12V, V
VDL
= 5V, V
t
t
V
V
V
Frequency = 1MHz
I
When LX stops switching
V
I
V
LO
HI
SYNCOUT
PWRGD
IL
IH
SYNC
FB
PWRGD
VL
falling, 30mV hysteresis, V
= 3.3V, V
= 0V or 3.6V
= 4mA
= 5.5V, V
A
= ±1mA
= +25°C. Limits over the operating range are guaranteed by design.
SYNC
FB
= 0.9V
= 0V, V
CONDITIONS
I
I
V
V
IL
IH
FB
OH
OL
REFIN
= 0.5V, T
> 540mV
A
= -40°C to +85°C, typical values are at T
V
VL
MIN
0.25
0.25
100
100
170
0.4
- 0.4
+165
TYP
0.03
0.01
180
10
20
90
48
7
MAX
1.20
0.06
190
1.6
1.2
0.2
1
A
= +25°C,
Degrees
UNITS
cycles
REFIN
Clock
MHz
MHz
% of
nA
μA
°C
°C
μA
ns
V
V
V