参数资料
型号: MAX15049ETJ+
厂商: Maxim Integrated Products
文件页数: 4/31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
ELECTRICAL CHARACTERISTICS (continued)
(V IN = 12V or V IN = V REG = 5V, V DREG_ = V REG , V PGND_ = 0V, C REG = 2.2 F F, R RT = 39.2k I , T A = -40 N C to +85 N C, unless otherwise
noted. Typical values are at T A = T J = +25 N C.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
ENABLE/PGOOD
EN_ Threshold
V EN-TH
EN_ rising
0.57
0.60
0.63
V
EN_ Threshold Hysteresis
46
mV
EN_ Input Bias Current
-1
+1
F A
PGOOD Threshold
FB_ rising
0.545
0.550
0.555
V
PGOOD Hysteresis
30
mV
PGOOD Output Low Level
Sinking 3mA
0.1
V
PGOOD Leakage
V PGOOD = 5V
-1
+1
F A
THERMAL SHUTDOWN
Thermal-Shutdown Temperature
Thermal-Shutdown Hysteresis
Temperature rising
+160
20
N C
N C
Note 2: 100% production tested at T A = T J = +25 N C and T A = T J = +85 N C. Limits at other temperatures are guaranteed by
design.
Note 3: For 5V applications, connect REG directly to IN.
Typical Operating Characteristics
(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.)
100
90
CONVERTER 1 EFFICIENCY
vs. LOAD CURRENT
100
90
CONVERTER 2 EFFICIENCY
vs. LOAD CURRENT
100
90
CONVERTER 3 EFFICIENCY
vs. LOAD CURRENT
80
70
60
V IN = 12V
V IN = 5V
80
70
60
V IN = 12V
V IN = 5V
80
70
60
V IN = 12V
V IN = 5V
50
40
30
20
50
40
30
20
50
40
30
20
10
0
V OUT1 = 3.3V
10
0
V OUT2 = 1.8V
10
0
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
4
LOAD CURRENT (A)
LOAD CURRENT (A)
LOAD CURRENT (A)
Maxim Integrated
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