MAX8952AEWE-T 데이터 시트보기 (PDF) - Maxim Integrated
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MAX8952AEWE-T Datasheet PDF : 31 Pages
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MAX8952
2.5A Step-Down Regulator
with Remote Sense in 2mm x 2mm WLP
Typical Operating Characteristics
(Typical Operating Circuit, VIN1 = VIN2 = 3.6V, VAGND = VPGND = 0V, VOUT = 1.1V, VDD = 1.8V, TA = +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
(1.0V OUTPUT, SYNC OFF)
100
90 POWER SAVE
TRANSITION TO PWM
80
70
60
50
VIN = 3.2V
3.6V
40
4.2V
30
20
FORCED PWM
10
0
0.0001 0.001 0.01 0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(1.0V OUTPUT, 26MHz SYNC)
100
90 POWER SAVE
TRANSITION TO PWM
80
70
60
50
VIN = 3.2V
3.6V
40
4.2V
30
20
10
FORCED PWM
0
0.0001 0.001 0.01 0.1
1
10
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. LOAD CURRENT
3.5
3.0
FORCED PWM
2.5
TRANSITION TO PWM
2.0
1.5
POWER SAVE
1.0
0.5
0
0
VIN = 3.6V
VOUT = 1.4V
0.5 1.0 1.5 2.0 2.5
LOAD CURRENT (A)
6
EFFICIENCY vs. LOAD CURRENT
(1.1V OUTPUT, SYNC OFF)
100
90 POWER SAVE
TRANSITION TO PWM
80
70
60
50
VIN = 3.2V
3.6V
40
4.2V
30
20
FORCED PWM
10
0
0.0001 0.001 0.01 0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(1.1V OUTPUT, 26MHz SYNC)
100
TRANSITION TO PWM
90
POWER SAVE
80
70
60
50
VIN = 3.2V
3.6V
40
4.2V
30
20
10
FORCED PWM
0
0.0001 0.001 0.01 0.1
1
10
LOAD CURRENT (A)
SWITCHING FREQUENCY
vs. TEMPERATURE
3.6
3.5
3.4
3.3
3.2
3.1 NO SYNC
1.3V OUTPUT, 500mA LOAD
3.0
-40 -15
10
35
60
85
TEMPERATURE (°C)
EFFICIENCY vs. LOAD CURRENT
(1.4V OUTPUT, SYNC OFF)
100
POWER SAVE
90
TRANSITION TO PWM
80
70
60
50
VIN = 3.2V
3.6V
40
4.2V
30
20
FORCED PWM
10
0
0.0001 0.001 0.01 0.1
1
10
LOAD CURRENT (A)
EFFICIENCY vs. LOAD CURRENT
(1.4V OUTPUT, 26MHz SYNC)
100
90 POWER SAVE
TRANSITION TO PWM
80
70
60
50
VIN = 3.2V
3.6V
40
4.2V
30
20
10
FORCED PWM
0
0.0001 0.001 0.01 0.1
1
10
LOAD CURRENT (A)
NO-LOAD SUPPLY CURRENT vs.
SUPPLY VOLTAGE (POWER SAVE)
0.6
0.5
0.4
26MHz SYNC
0.3
0.2
NO SYNC
0.1
0
2.5
3.5
4.5
5.5
SUPPLY VOLTAGE (V)
Maxim Integrated
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