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MAX15050 Datasheet(PDF) 4 Page - Maxim Integrated Products

Part # MAX15050
Description  High-Efficiency, 4A, 1MHz, Step-Down Regulators with Integrated Switches in 2mm x 2mm Package
PDF  15 Pages
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Manufacturer  MAXIM [Maxim Integrated Products]
Direct Link  https://www.maximintegrated.com/en.html
Logo MAXIM - Maxim Integrated Products

MAX15050 Datasheet(HTML) 4 Page - Maxim Integrated Products

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High-Efficiency, 4A, 1MHz, Step-Down Regulators
with Integrated Switches in 2mm x 2mm Package
4
_______________________________________________________________________________________
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
EN Input Logic-High Threshold
(Rising)
1.5
V
EN Input Current
VEN = 0 or 5V
0.01
1
µA
THERMAL SHUTDOWN
Thermal-Shutdown Threshold
+165
°C
Thermal-Shutdown Hysteresis
20
°C
POWER-GOOD (PWRGD)
VFB falling, VREFIN/SS = 0.6V
87
90
93
Power-Good Threshold Voltage
VFB rising, VREFIN/SS = 0.6V
92.5
% of
VREFIN/SS
Power-Good Edge Deglitch
VFB falling or rising
48
Clock
cycles
PWRGD Output-Voltage Low
IPWRGD = 4mA
0.03
0.15
V
PWRGD Leakage Current
VPWRGD = 5V, VFB = 0.9V, VREFIN/SS = 0.6V
0.1
1
µA
OVERCURRENT LIMIT (HICCUP MODE)
Current-Limit Startup Blanking
112
Clock
cycles
Autoretry Restart Time
896
Clock
cycles
FB Hiccup Threshold
VFB falling
70
% of
VREFIN/SS
Hiccup Threshold Blanking Time
VFB falling
36
µs
Note 4: Specifications are 100% production tested at TA = +25°C. Limits over the operating temperature range are guaranteed by
design and characterization.
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VEN = 5V, CVDD = 2.2µF, TA = -40°C to +85°C, typical values are at TA = +25°C, unless otherwise noted.) (Note 4)
Typical Operating Characteristics
(VIN = 5V, output voltage = 1.8V, ILOAD = 4A, and TA = +25°C, circuit of Figure 1, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(VIN = 5V) (MAX15050)
LOAD CURRENT (A)
1
0.1
50
60
70
80
90
100
40
0.01
10
VOUT = 1.2V
VOUT = 3.3V
VOUT = 1.8V
VOUT = 2.5V
40
60
50
80
70
90
100
0.1
1
10
EFFICIENCY vs. LOAD CURRENT
VIN = 5V (MAX15051)
LOAD CURRENT (A)
VOUT = 3.3V
VOUT = 2.5V
VOUT = 1.8V
VOUT = 1.2V
EFFICIENCY vs. LOAD CURRENT
(VIN = 3.3V) (MAX15050)
LOAD CURRENT (A)
1
0.1
50
60
70
80
90
100
40
0.01
10
VOUT = 1.8V
VOUT = 1.2V
VOUT = 2.5V



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