MAX1980 데이터 시트보기 (PDF) - Maxim Integrated
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MAX1980
Maxim Integrated
MAX1980 Datasheet PDF : 33 Pages
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Quick-PWM Slave Controller with
Driver Disable for Multiphase DC-DC Converter
Typical Operating Characteristics
(Circuit of Figure 1, V+ = 12V, VCC = VDD = 5V, VOUT = 1.3V (ZMODE = GND) and 1V (ZMODE = VCC), DD = VCC.)
TWO-PHASE
EFFICIENCY vs. LOAD CURRENT
(VOUT = 1.3V)
100
90
VIN = 8V
80
VIN = 5V
70
TWO-PHASE
OUTPUT VOLTAGE vs. LOAD CURRENT
(VOUT = 1.3V, VOFFSET = -10mV)
1.30
1.29
VIN = 12V
1.28
1.27
1.26
TWO-PHASE
EFFICIENCY vs. LOAD CURRENT
(VOUT = 1V)
100
90
VIN = 8.0V
80
VIN = 5.0V
70
60
1.25
VIN = 12V
50
1.24
40
VIN = 20V
1.23
1.22
30
1.21
60
VIN = 12V
50
40
VIN = 20V
30
20
1.20
20
0.1
1
10
100
0
10
20
30
40
50
0.1
1
10
100
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
TWO-PHASE
OUTPUT VOLTAGE vs. LOAD CURRENT
(VOUT = 1V, VOFFSET = -10mV)
1.00
VIN = 12.0V
0.99
0.98
SINGLE-PHASE EFFICIENCY
vs. LOAD CURRENT
(VOUT = 1V)
100
VIN = 8.0V
90
VIN = 5.0V
NO-LOAD INPUT CURRENT
vs. INPUT VOLTAGE
80
70
60
IBIAS = IDD + ICC
0.97
50
0.96
80
40
0.95
VIN = 20V
IIN
30
VIN = 12V
0.94
70
20
0.93
0.92
0
60
10
20
30
40
0.01
0.10
1
10
100
LOAD CURRENT (A)
LOAD CURRENT (A)
10
MASTER AND SLAVE
0
0 5 10 15 20 25 30
INPUT VOLTAGE (V)
INDUCTOR CURRENT BALANCE
vs. LOAD CURRENT
1.0
0.8
0.6
0.4
0.2
INDUCTOR CURRENT BALANCE
vs. INPUT VOLTAGE
0.7
0.6
IOUT = 40A
0.5
0.4
0.3
0.2
IOUT = NO LOAD
0.1
OFFSET-VOLTAGE DEVIATION
vs. CURRENT-SENSE COMMON-MODE VOLTAGE
50
OUT = CM+ = CM- = CS+ = CS-
25
0
-25
0
0
10
20
30
40
50
LOAD CURRENT (A)
0
0
5
10
15
20
25
INPUT VOLTAGE (V)
-50
-0.5
0
0.5 1.0 1.5 2.0
VOUT (V)
6 _______________________________________________________________________________________
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