MAX8566(2005) Просмотр технического описания (PDF) - Maxim Integrated
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MAX8566 Datasheet PDF : 21 Pages
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High-Efficiency, 10A, PWM
Internal-Switch Step-Down Regulator
ELECTRICAL CHARACTERISTICS (continued)
(VIN = VDD = VEN = 3.3V, VFB = 0.5V, VSYNC = 0V, TA = -40°C to +85°C, unless otherwise noted. Note 2)
PARAMETER
SYNCOUT
Frequency Range
Phase Shift from SYNC or
Internal Oscillator
CONDITIONS
VDD = 2.3V to 3.6V
Frequency = 1MHz
MIN TYP
0.25
160
Output Voltage
POWER-GOOD
ISYNCOUT = ±1mA,
VDD = 2.3V to 3.6V
VOH
VOL
VDD -
0.4
Threshold Voltage
VFB falling, 3mV hysteresis
85
Falling-Edge Deglitch
30
PWRGD Output Voltage
IPWRGD = 4mA
Note 2: Specifications to -40°C are guaranteed by design and not production tested.
MAX UNITS
2.40 MHz
230 Degrees
V
0.4
93
% of
VREF
80
µs
0.3
V
Typical Operating Characteristics
(Typical values are at VIN = VDD = 3.3V, VOUT = 1.8V, RFREQ = 50kΩ, IOUT = 10A, and TA = +25°C.)
EFFICIENCY vs. LOAD CURRENT
VIN = VLSS = 3.3V
100
95
VOUT = 2.5V
90
85
VOUT = 1.8V
80
75
70
65
60
0.1
1
10
100
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
VIN = VLSS = 2.5V
100
95
90
VOUT = 1.8V
85
VOUT = 1.5V
80
75
70
65
60
0.1
1
10
100
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
VIN = 2.5V, VLSS = 3.3V
100
95
90
VOUT = 1.8V
85
80
VOUT = 1.5V
75
70
VOUT = 0.8V
65
60
0.1
1
10
100
LOAD CURRENT (A)
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