MAX15040 Maxim Integrated Products, MAX15040 Datasheet - Page 4

• Manufacturer Part Number: MAX15040
• Description: Step-Down Regulator
• Manufacturer: Maxim Integrated Products

High-Efficiency, 4A, Step-Down Regulator with
Integrated Switches in 2mm x 2mm Package
ELECTRICAL CHARACTERISTICS (continued)
(V
Note 3: Specifications are 100% production tested at T
Note 4: Guaranteed by design.
(V
4
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
POWER-GOOD (PWRGD)
Power-Good Threshold Voltage
Power-Good Edge Deglitch
PWRGD Output-Voltage Low
PWRGD Leakage Current
OVERCURRENT LIMIT (HICCUP MODE)
Current-Limit Startup Blanking
Restart Time
FB Hiccup Threshold
Hiccup Threshold Blanking Time
IN
IN
_______________________________________________________________________________________
= V
= V
DD
DD
design and characterization.
= 3.3V, T
= 3.3V, output voltage = 1.8V, I
PARAMETER
100
90
80
70
60
50
40
0.1
V
V
A
DD
OUT
= -40°C to +85°C. Typical values are at T
= V
= 2.5V
V
IN
OUT
vs. OUTPUT CURRENT
= 3.3V
OUTPUT CURRENT (A)
= 1.2V
EFFICIENCY
V
OUT
1
= 1.5V
V
OUT
Rising
V
V
V
I
V
V
V
LOAD
PWRGD
FB
FB
FB
DD
FB
FB
= 1.8V
falling, V
rising, V
falling or rising
falling
falling
= V
= 4A, and T
10
PWRGD
= 4mA (sinking)
REFIN/SS
REFIN/SS
A
= 3.6V, V
= +25°C. Limits over the operating temperature range are guaranteed by
A
CONDITIONS
A
= +25°C, circuit of Figure 1, unless otherwise noted.)
= +25°C, circuit of Figure 1, unless otherwise noted.) (Note 3)
= 0.6V
= 0.6V
FB
= 0.9V
Typical Operating Characteristics
100
90
80
70
60
50
40
0.1
V
IN
= V
V
OUT
DD
vs. OUTPUT CURRENT
= 2.5V
= 1.2V
OUTPUT CURRENT (A)
MIN
V
87
OUT
EFFICIENCY
= 1.5V
V
OUT
1
= 1.8V
+165
TYP
92.5
0.03
0.01
112
896
20
90
48
70
36
MAX
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0.15
93
10
V
V
UNITS
RE F IN /S S
cycles
cycles
cycles
RE F IN /S S
Clock
Clock
Clock
% of
% of
°C
µA
°C
µs
V