参数资料
型号: MAX15049ETJ+
厂商: Maxim Integrated Products
文件页数: 5/31页
文件大小: 0K
描述: IC CTRLR PWM STP-DN TRIPL 32WQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
应用: 电源控制器,序列发生器
电源电压: 4.7 V ~ 23 V
电流 - 电源: 6mA
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 管件
MAX15048/MAX15049
Triple-Output Buck Controllers
with Tracking/Sequencing
Typical Operating Characteristics (continued)
(V IN = 12V, V DREG_ = V REG , V PGND_ = 0V, C REG = 2.2 F F, R RT = 39.2k I , T A = +25 N C, unless otherwise noted. See Figure 10.)
3.330
CONVERTER 1 OUTPUT VOLTAGE
vs. LOAD CURRENT
1.810
CONVERTER 2 OUTPUT VOLTAGE
vs. LOAD CURRENT
1.200
CONVERTER 3 OUTPUT VOLTAGE
vs. LOAD CURRENT
3.328
3.325
3.323
3.320
3.318
3.315
3.313
3.310
3.308
3.305
3.303
3.300
V IN = 5V
V IN = 12V
V OUT1 = 3.3V
1.809
1.808
1.807
1.806
1.805
1.804
1.803
1.802
1.801
1.800
V IN = 5V
V IN = 12V
V OUT2 = 1.8V
1.199
1.198
1.197
1.196
1.195
1.194
1.193
1.192
1.191
1.190
V IN = 12V
V IN = 5V
V OUT3 = 1.2V
0
0.5
1.0
1.5
2.0
2.5
3.0
0
0.5
1.0
1.5
2.0
2.5
3.0
0
1
2
3
4
5
6
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
1200
1100
1000
900
SWITCHING FREQUENCY vs. R RT
0.5
0.4
0.3
0.2
SWITCHING-FREQUENCY ACCURACY
vs. TEMPERATURE
f SW = 500kHz
5.10
5.05
5.00
4.95
4.90
REG OUTPUT VOLTAGE
vs. INPUT VOLTAGE
800
700
600
500
400
0.1
0
-0.1
-0.2
-0.3
4.85
4.80
4.75
4.70
4.65
4.60
300
200
15.60
31.22
46.84
62.46
V IN = 12V
78.08 93.70
-0.4
-0.5
-40 -28 -15 -3 10 23 35 48 60 73 85
4.55
4.50
4.70
8.36
12.02
15.68
I REG = 60mA
19.34 23.00
R RT (k I )
ERROR AMP TRANSCONDUCTANCE
vs. TEMPERATURE
TEMPERATURE (°C)
VALLEY CURRENT LIMIT
vs. TEMPERATURE
INPUT VOLTAGE (V)
DL1 AND DH1 PEAK
SOURCE-AND-SINK CURRENT
3.0
2.8
2.6
V COMP_ = 2V
V FB_ = 0.6V ± 0.02V
95
90
85
V IN = 12V
C LOAD = 10nF
MAX15048 toc12
2.4
2.2
2.0
1.8
1.6
1.4
1.2
80
75
70
65
60
55
50
45
I DL1
(1A/div)
I DH1
(1A/div)
1.0
-40 -28 -15 -3 10 23 35 48 60 73 85
40
-40 -28 -15 -3 10 23 35 48 60 73 85
200ns/div
Maxim Integrated
TEMPERATURE (°C)
TEMPERATURE (°C)
5
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