MAX16993 View Datasheet(PDF) - Maxim Integrated
Part Name
Description
Manufacturer
| MAX16993 Datasheet PDF : 0 Pages | |||
MAX16993
Step-Down Controller with
Dual 2.1MHz Step-Down DC-DC Converters
Typical Operating Characteristics (continued)
(VSUP = 14V, TA = +25°C, unless otherwise noted)
BUCK 2 LOAD REGULATION (PWM MODE)
3.345
3.340
VPV2 = 5.0V
IMAX = 3A
VOUT2 = 3.3V
3.335
3.330
3.325
3.320
3.315
3.310
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
IOUT2 (A)
BUCK 2 LINE REGULATION (PWM MODE)
101.0
100.8
100.6
VOUT2 = 3.15V
TA = +125ºC
100.4
100.2
100.0
99.8
99.6
TA = +25ºC
99.4
TA = -40ºC
99.2
99.0
2.7 3.2 3.7 4.2 4.7 5.2 5.7
VPV2 (V)
VOUT2 vs. TEMPERATURE
3.150
IOUT2 = 1.125A
3.145
3.140
3.135
3.130
3.125
3.120
3.115
3.110
3.105
3.100
-50
0
50
100
150
TEMPERATURE (ºC)
100
90
80
70
60
50
40
30
20
10
0
1.00E-06
BUCK 3 EFFICIENCY
SKIP MODE
PWM MODE
fSW = 2.1MHz,
VSUP = 14V,
VPV3 = 5.0V,
VOUT3 = 1.8V
1.00E-04 1.00E-02
IOUT3 (A)
1.00E+00
BUCK 3 LOAD REGULATION (PWM MODE)
1.83
VPV3 = 5.0V, IMAX = 1.5A, VOUT3 = 1.8V
1.82
TA = +125ºC
1.81
1.80 TA = +25ºC
1.79
1.78
TA = -40ºC
1.77
0
0.2 0.4 0.6 0.8 1.0 1.2 1.4 1.6
IOUT3 (A)
BUCK 3 LOAD REGULATION (PWM MODE)
1.230
1.228
1.226
VPV3 = 5.0V
IMAX = 3A
VOUT3 = 1.2V
1.224
1.222
1.220
1.218
1.216
1.214
0
0.5 1.0 1.5 2.0 2.5 3.0 3.5
IOUT3 (A)
BUCK 3 LINE REGULATION (PWM MODE)
100.5
VOUT3 = 1.8V
100.4
100.3
100.2
100.1
TA = +125ºC
100.0
99.9
TA = +25ºC
99.8
99.7
99.6
TA = -40ºC
99.5
3.3
3.8
4.3
4.8
5.3
VPV3 (V)
VOUT3 vs. TEMPERATURE
1.810
IOUT3 = 1.125A
1.805
1.800
1.795
1.790
1.785
1.780
-50
0
50
100
150
TEMPERATURE (ºC)
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