MAX17083 Просмотр технического описания (PDF) - Maxim Integrated
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MAX17083 Datasheet PDF : 15 Pages
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Low-Voltage, Internal Switch,
Step-Down Regulator
ELECTRICAL CHARACTERISTICS
(Circuit of Figure 1, VIN = VFREQ = VCC = VEN = 5V, IREF = no load, TA = -40°C to +85°C, unless otherwise noted. Typical values are
at TA = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN MAX UNITS
Shutdown Supply Current
EN = GND, measured at VCC, TA = +25°C
10
μA
Supply Current
Regulator Enabled
REFERENCE
Does not include switching losses, measured
from VCC
120
μA
Reference Output Voltage
VREF
INTERNAL 5A STEP-DOWN CONVERTER
No load
1.145 1.265
V
LX Peak Current Limit
4.35
8
A
Note 3: Limits are 100% production tested at TA = +25°C. Maximum and minimum limits are guaranteed by design and
characterization.
Typical Operating Characteristics
(Circuit of Figure 1, VIN = 5V, VOUT = 1.1V, FREQ = open. TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(VIN = 5V, 1MHz)
100
VOUT = 1.8V
VOUT = 1.5V
90
80
VOUT = 1.1V
70
VOUT = 0.75V
60
50
0.001
0.01
0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(VIN = 3.3V, 1MHz)
100
VOUT = 1.8V
VOUT = 1.5V
90
80
VOUT = 1.1V
70
VOUT = 0.75V
60
50
0.001
0.01
0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(VIN = 5V, 750kHz)
100
VOUT = 1.8V
90
VOUT = 1.5V
80
VOUT = 1.1V
70
VOUT = 0.75V
60
50
0.001
0.01
0.1
1
10
LOAD CURRENT (A)
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